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CyberWarzone.webp 2023-10-30 11:51:07 Nord-coréen \\ 'lazarus \\' hackers and it Company \\'s billion-won ransomware bater
North Korean \\'Lazarus\\' Hackers and IT Company\\'s Billion-Won Ransomware Heist (lien direct)		 Le récent dévoilement d'une alliance sinistre entre une entreprise informatique et des pirates nord-coréens, il est évident que le paysage cyber-menace a pris un [Plus ...]
The recent unveiling of a sinister alliance between an IT company and North Korean hackers, it’s evident that the cyber threat landscape has taken a [more...]		 Ransomware Threat APT 38 ★★★
Pirate.webp 2023-06-28 12:39:49 Kaspersky découvre une nouvelle famille de logiciels malveillants utilisés par Andariel, le sous-groupe de Lazarus (lien direct) >Kaspersky a mené une enquête approfondie sur les activités d’Andariel, un sous-groupe notoire du groupe Lazarus. Au cours de cette enquête, les chercheurs de Kaspersky ont découvert une nouvelle famille de logiciels malveillants appelée EarlyRat, qui est utilisée par Andariel en plus de leur utilisation connue du malware DTrack et du ransomware Maui. L’analyse des […] The post Kaspersky découvre une nouvelle famille de logiciels malveillants utilisés par Andariel, le sous-groupe de Lazarus first appeared on UnderNews. Ransomware Malware APT 38 ★★★★
Anomali.webp 2023-05-31 17:19:00 Anomali Cyber Watch: Shadow Force cible les serveurs coréens, Volt Typhoon abuse des outils intégrés, Cosmicenergy Tests Electric Distribution Perturbation
Anomali Cyber Watch: Shadow Force Targets Korean Servers, Volt Typhoon Abuses Built-in Tools, CosmicEnergy Tests Electric Distribution Disruption (lien direct)		 Les différentes histoires de l'intelligence des menaces dans cette itération de la cyber-montre anomali discutent des sujets suivants: Chine, chargement de DLL, vivant de la terre, technologie opérationnelle, ransomware, et Russie .Les CIO liés à ces histoires sont attachés à Anomali Cyber Watch et peuvent être utilisés pour vérifier vos journaux pour une activité malveillante potentielle. Figure 1 - Diagrammes de résumé du CIO.Ces graphiques résument les CIO attachés à ce magazine et donnent un aperçu des menaces discutées. Cyber News et Intelligence des menaces shadowVictiticoor et Coinmin de Force Group \\ (Publié: 27 mai 2023) Force Shadow est une menace qui cible les organisations sud-coréennes depuis 2013. Il cible principalement les serveurs Windows.Les chercheurs d'AHNLAB ont analysé l'activité du groupe en 2020-2022.Les activités de force fantôme sont relativement faciles à détecter car les acteurs ont tendance à réutiliser les mêmes noms de fichiers pour leurs logiciels malveillants.Dans le même temps, le groupe a évolué: après mars, ses fichiers dépassent souvent 10 Mo en raison de l'emballage binaire.Les acteurs ont également commencé à introduire divers mineurs de crypto-monnaie et une nouvelle porte dérobée surnommée Viticdoor. Commentaire de l'analyste: Les organisations doivent garder leurs serveurs à jour et correctement configurés avec la sécurité à l'esprit.Une utilisation et une surchauffe du processeur inhabituellement élevées peuvent être un signe du détournement de ressources malveillantes pour l'exploitation de la crypto-monnaie.Les indicateurs basés sur le réseau et l'hôte associés à la force fantôme sont disponibles dans la plate-forme Anomali et il est conseillé aux clients de les bloquer sur leur infrastructure. mitre att & amp; ck: [mitre att & amp; ck] t1588.003 - obtenir des capacités:Certificats de signature de code | [mitre att & amp; ck] t1105 - transfert d'outils d'entrée | [mitre att & amp; ck] t1027.002 - fichiers ou informations obscurcies: emballage logiciel | [mitre att & amp; ck] t1569.002: exécution du service | [mitre att & amp; ck] T1059.003 - Commande et script Interpréteur: Windows Command Shell | [mitre att & amp; ck] T1547.001 - Exécution de botter ou de connexion automatique: Registre Run Keys / Startup Folder | [mitre att & amp; ck] t1546.008 - Événement Exécution déclenchée: caractéristiques de l'accessibilité | [mitre att & amp; ck] t1543.003 - créer ou modifier le processus système: service Windows | [mitre att & amp; ck] t1554 - compromis le logiciel client binaire | [mitreAtt & amp; ck] t1078.001 - Comptes valides: comptes par défaut | [mitre att & amp; ck] t1140 - désobfuscate / décode ou infor Ransomware Malware Tool Vulnerability Threat APT 38 Guam CosmicEnergy ★★
Anomali.webp 2023-04-25 18:22:00 Anomali Cyber Watch: Deux attaques de la chaîne d'approvisionnement enchaînées, leurre de communication DNS furtive de chien, Evilextractor exfiltrates sur le serveur FTP
Anomali Cyber Watch: Two Supply-Chain Attacks Chained Together, Decoy Dog Stealthy DNS Communication, EvilExtractor Exfiltrates to FTP Server (lien direct)		 The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Cryptomining, Infostealers, Malvertising, North Korea, Phishing, Ransomware, and Supply-chain attacks. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence First-Ever Attack Leveraging Kubernetes RBAC to Backdoor Clusters (published: April 21, 2023) A new Monero cryptocurrency-mining campaign is the first recorded case of gaining persistence via Kubernetes (K8s) Role-Based Access Control (RBAC), according to Aquasec researchers. The recorded honeypot attack started with exploiting a misconfigured API server. The attackers preceded by gathering information about the cluster, checking if their cluster was already deployed, and deleting some existing deployments. They used RBAC to gain persistence by creating a new ClusterRole and a new ClusterRole binding. The attackers then created a DaemonSet to use a single API request to target all nodes for deployment. The deployed malicious image from the public registry Docker Hub was named to impersonate a legitimate account and a popular legitimate image. It has been pulled 14,399 times and 60 exposed K8s clusters have been found with signs of exploitation by this campaign. Analyst Comment: Your company should have protocols in place to ensure that all cluster management and cloud storage systems are properly configured and patched. K8s buckets are too often misconfigured and threat actors realize there is potential for malicious activity. A defense-in-depth (layering of security mechanisms, redundancy, fail-safe defense processes) approach is a good mitigation step to help prevent actors from highly-active threat groups. MITRE ATT&CK: [MITRE ATT&CK] T1190 - Exploit Public-Facing Application | [MITRE ATT&CK] T1496 - Resource Hijacking | [MITRE ATT&CK] T1036 - Masquerading | [MITRE ATT&CK] T1489 - Service Stop Tags: Monero, malware-type:Cryptominer, detection:PUA.Linux.XMRMiner, file-type:ELF, abused:Docker Hub, technique:RBAC Buster, technique:Create ClusterRoleBinding, technique:Deploy DaemonSet, target-system:Linux, target:K8s, target:​​Kubernetes RBAC 3CX Software Supply Chain Compromise Initiated by a Prior Software Supply Chain Compromise; Suspected North Korean Actor Responsible (published: April 20, 2023) Investigation of the previously-reported 3CX supply chain compromise (March 2023) allowed Mandiant researchers to detect it was a result of prior software supply chain attack using a trojanized installer for X_TRADER, a software package provided by Trading Technologies. The attack involved the publicly-available tool SigFlip decrypting RC4 stream-cipher and starting publicly-available DaveShell shellcode for reflective loading. It led to installation of the custom, modular VeiledSignal backdoor. VeiledSignal additional modules inject the C2 module in a browser process instance, create a Windows named pipe and Ransomware Spam Malware Tool Threat Cloud Uber APT 38 ChatGPT APT 43 ★★
RecordedFuture.webp 2023-03-22 12:30:00 Le Royaume-Uni émet une stratégie pour protéger les services de santé nationaux contre les cyberattaques [UK issues strategy to protect National Health Service from cyberattacks] (lien direct) Le gouvernement britannique a publié mercredi sa nouvelle stratégie de cybersécurité pour le National Health Service, visant à rendre le secteur de la santé du pays \\ «durcie considérablement à la cyberattaque, au plus tard en 2030».La stratégie vient dans le sillage de la [Wannacry] (https://www.theguardian.com/technology/2017/jun/16/wannacry-ransomware-attack-linked-north-korea-lazarus-group) Ransomware Attack en 2017, parallèlement à une attaque criminelle contre le fournisseur de logiciels [Advanced] (https://www.bbc.co.uk/news/technology-62725363) l'année dernière,
The British government published on Wednesday its new cybersecurity strategy for the National Health Service, aiming to make the country\'s healthcare sector “significantly hardened to cyber attack, no later than 2030.” The strategy comes in the wake of the [WannaCry](https://www.theguardian.com/technology/2017/jun/16/wannacry-ransomware-attack-linked-north-korea-lazarus-group) ransomware attack in 2017, alongside a criminal attack on the software supplier [Advanced](https://www.bbc.co.uk/news/technology-62725363) last year,		 Ransomware General Information Wannacry APT 38 ★★
Anomali.webp 2023-02-28 16:15:00 Anomali Cyber Watch: Newly-Discovered WinorDLL64 Backdoor Has Code Similarities with Lazarus GhostSecret, Atharvan Backdoor Can Be Restricted to Communicate on Certain Days (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Backdoors, DLL sideloading, Infostealers, Phishing, Social engineering, and Tunneling. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence WinorDLL64: A Backdoor From The Vast Lazarus Arsenal? (published: February 23, 2023) When the Wslink downloader (WinorLoaderDLL64.dll) was first discovered in 2021, it had no known payload and no known attribution. Now ESET researchers have discovered a Wslink payload dubbed WinorDLL64. This backdoor uses some of Wslink functions and the Wslink-established TCP connection encrypted with 256-bit AES-CBC cipher. WinorDLL64 has some code similarities with the GhostSecret malware used by North Korea-sponsored Lazarus Group. Analyst Comment: Wslink and WinorDLL64 use a well-developed cryptographic protocol to protect the exchanged data. Innovating advanced persistent groups like Lazarus often come out with new versions of their custom malware. It makes it important for network defenders to leverage the knowledge of a wider security community by adding relevant premium feeds and leveraging the controls automation via Anomali Platform integrations. MITRE ATT&CK: [MITRE ATT&CK] T1587.001 - Develop Capabilities: Malware | [MITRE ATT&CK] T1059.001: PowerShell | [MITRE ATT&CK] T1106: Native API | [MITRE ATT&CK] T1134.002 - Access Token Manipulation: Create Process With Token | [MITRE ATT&CK] T1070.004 - Indicator Removal on Host: File Deletion | [MITRE ATT&CK] T1087.001 - Account Discovery: Local Account | [MITRE ATT&CK] T1087.002 - Account Discovery: Domain Account | [MITRE ATT&CK] T1083 - File And Directory Discovery | [MITRE ATT&CK] T1135 - Network Share Discovery | [MITRE ATT&CK] T1057 - Process Discovery | [MITRE ATT&CK] T1012: Query Registry | [MITRE ATT&CK] Picus: The System Information Discovery Technique Explained - MITRE ATT&CK T1082 | [MITRE ATT&CK] T1614 - System Location Discovery | [MITRE ATT&CK] T1614.001 - System Location Discovery: System Language Discovery | [MITRE ATT&CK] T1016 - System Network Configuration Discovery | [MITRE ATT&CK] T1049 - System Network Connections Discovery | Ransomware Malware Tool Threat Medical Medical Cloud APT 38 ★
DarkReading.webp 2023-02-02 09:00:00 Lazarus Group Rises Again, to Gather Intelligence on Energy, Healthcare Firms (lien direct) An OpSec slip from the North Korean threat group helps researchers attribute what was first suspected as a ransomware attack to nation-state espionage. Ransomware Threat APT 38 ★★
CSO.webp 2023-02-02 01:00:00 APT groups use ransomware TTPs as cover for intelligence gathering and sabotage (lien direct) State-sponsored threat groups increasingly use ransomware-like attacks as cover to hide more insidious activities. Russian advanced persistent threat (APT) group Sandworm used ransomware programs to destroy data multiple times over the past six months while North Korea's Lazarus group used infrastructure previously associated with a ransomware group for intelligence gathering campaigns.At the same time, some Chinese APTs that were traditionally targeting entities in Asia shifted their focus to European companies, while Iran-based groups that traditionally targeted Israeli companies started going after their foreign subsidiaries. At least one North Korean group that was focused on South Korea and Russia has started using English in its operations. All these operational changes suggest organizations and companies from Western countries are at increased risk from APT activity.To read this article in full, please click here Ransomware Threat Medical APT 38 ★★
Anomali.webp 2023-01-31 17:27:00 Anomali Cyber Watch: KilllSomeOne Folders Invisible in Windows, Everything APIs Abuse Speeds Up Ransomware,  APT38 Experiments with Delivery Vectors and Backdoors (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, China, Cryptocurrency, Data leak, Iran, North Korea, Phishing, Ransomware, and USB malware. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Chinese PlugX Malware Hidden in Your USB Devices? (published: January 26, 2023) Palo Alto researchers analyzed a PlugX malware variant (KilllSomeOne) that spreads via USB devices such as floppy, thumb, or flash drives. The variant is used by a technically-skilled group, possibly by the Black Basta ransomware. The actors use special shortcuts, folder icons and settings to make folders impersonating disks and a recycle bin directory. They also name certain folders with the 00A0 (no-break space) Unicode character thus hindering Windows Explorer and the command shell from displaying the folder and all the files inside it. Analyst Comment: Several behavior detections could be used to spot similar PlugX malware variants: DLL side loading, adding registry persistence, and payload execution with rundll32.exe. Incidents responders can check USB devices for the presence of no-break space as a folder name. MITRE ATT&CK: [MITRE ATT&CK] T1091 - Replication Through Removable Media | [MITRE ATT&CK] T1559.001 - Inter-Process Communication: Component Object Model | [MITRE ATT&CK] T1547.009 - Boot or Logon Autostart Execution: Shortcut Modification | [MITRE ATT&CK] T1574.002 - Hijack Execution Flow: Dll Side-Loading | [MITRE ATT&CK] T1036 - Masquerading | [MITRE ATT&CK] T1027 - Obfuscated Files Or Information | [MITRE ATT&CK] T1564.001: Hidden Files and Directories | [MITRE ATT&CK] T1105 - Ingress Tool Transfer Tags: detection:PlugX, detection:KilllSomeOne, USB, No-break space, file-type:DAT, file-type:EXE, file-type:DLL, actor:Black Basta, Windows Abraham's Ax Likely Linked to Moses Staff (published: January 26, 2023) Cobalt Sapling is an Iran-based threat actor active in hacking, leaking, and sabotage since at least November 2020. Since October 2021, Cobalt Sapling has been operating under a persona called Moses Staff to leak data from Israeli businesses and government entities. In November 2022, an additional fake identity was created, Abraham's Ax, to target government ministries in Saudi Arabia. Cobalt Sapling uses their custom PyDCrypt loader, the StrifeWater remote access trojan, and the DCSrv wiper styled as ransomware. Analyst Comment: A defense-in-depth approach can assist in creating a proactive stance against threat actors attempting to destroy data. Critical systems should be segregated from each other to minimize potential damage, with an Ransomware Malware Tool Threat Medical APT 38 ★★★
Anomali.webp 2022-12-13 16:00:00 Anomali Cyber Watch: MuddyWater Hides Behind Legitimate Remote Administration Tools, Vice Society Tops Ransomware Threats to Education, Abandoned JavaScript Library Domain Pushes Web-Skimmers (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Compromised websites, Education, Healthcare, Iran, Phishing, Ransomware, and Supply chain. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence New MuddyWater Threat: Old Kitten; New Tricks (published: December 8, 2022) In 2020-2022, Iran-sponsored MuddyWater (Static Kitten, Mercury) group went through abusing several legitimate remote administration tools: RemoteUtilities, followed by ScreenConnect and then Atera Agent. Since September 2022, a new campaign attributed to MuddyWater uses spearphishing to deliver links to archived MSI files with yet another remote administration tool: Syncro. Deep Instinct researchers observed the targeting of Armenia, Azerbaijan, Egypt, Iraq, Israel, Jordan, Oman, Qatar, Tajikistan, and United Arab Emirates. Analyst Comment: Network defenders are advised to establish a baseline for typical running processes and monitor for remote desktop solutions that are not common in the organization. MITRE ATT&CK: [MITRE ATT&CK] Phishing - T1566 | [MITRE ATT&CK] Remote Access Tools - T1219 Tags: mitre-group:MuddyWater, actor:Static Kitten, actor:Mercury, Iran, source-country:IR, APT, Cyberespionage, Ministry of Intelligence and Security, detection:Syncro, malware-type:RAT, file-type:MSI, file-type:ZIP, OneHub, Windows Babuk Ransomware Variant in Major New Attack (published: December 7, 2022) In November 2022, Morphisec researchers identified a new ransomware variant based on the Babuk source code that was leaked in 2021. One modification is lowering detection by abusing the legitimate Microsoft signed process: DLL side-loading into NTSD.exe — a Symbolic Debugger tool for Windows. The mechanism to remove the available Shadow Copies was changed to using Component Object Model objects that execute Windows Management Instrumentation queries. This sample was detected in a large, unnamed manufacturing company where attackers had network access and were gathering information for two weeks. They have compromised the company’s domain controller and used it to distribute ransomware to all devices within the organization through Group Policy Object. The delivered BAT script bypasses User Account Control and executes a malicious MSI file that contains files for DLL side-loading and an open-source-based reflective loader (OCS files). Analyst Comment: The attackers strive to improve their evasion techniques, their malware on certain steps hides behind Microsoft-signed processes and exists primarily in device memory. It increases the need for the defense-in-depth approach and robust monitoring of your organization domain. MITRE ATT&CK: [MITRE ATT&CK] Data Encrypted for Impact - T1486 | [MITRE ATT&CK] Abuse Elevation Control Mechanism - T1548 | [MITRE ATT&CK] Hijack Execution Flow - T1574 | Ransomware Malware Tool Threat Medical APT 38 ★★★
The_Hackers_News.webp 2022-12-05 17:54:00 Russian Courts Targeted by New CryWiper Data Wiper Malware Posing as Ransomware (lien direct) A new data wiper malware called CryWiper has been found targeting Russian government agencies, including mayor's offices and courts. "Although it disguises itself as a ransomware and extorts money from the victim for 'decrypting' data, [it] does not actually encrypt, but purposefully destroys data in the affected system," Kaspersky researchers Fedor Sinitsyn and Janis Zinchenko said in a Ransomware Malware Medical APT 38 ★★★
Anomali.webp 2022-11-22 23:47:00 Anomali Cyber Watch: URI Fragmentation Used to Stealthily Defraud Holiday Shoppers, Lazarus and BillBug Stick to Their Custom Backdoors, Z-Team Turned Ransomware into Wiper, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Cyberespionage, Phishing, Ransomware, Signed malware, and Wipers. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence DEV-0569 Finds New Ways to Deliver Royal Ransomware, Various Payloads (published: November 17, 2022) From August to October, 2022, Microsoft researchers detected new campaigns by a threat group dubbed DEV-0569. For delivery, the group alternated between delivering malicious links by abusing Google Ads for malvertising and by using contact forms on targeted organizations’ public websites. Fake installer files were hosted on typosquatted domains or legitimate repositories (GitHub, OneDrive). First stage was user-downloaded, signed MSI or VHD file (BatLoader malware), leading to second stage payloads such as BumbleBee, Gozi, Royal Ransomware, or Vidar Stealer. Analyst Comment: DEV-0569 is a dangerous group for its abuse of legitimate services and legitimate certificates. Organizations should consider educating and limiting their users regarding software installation options. Links from alternative incoming messaging such as from contact forms should be treated as thorough as links from incoming email traffic. MITRE ATT&CK: [MITRE ATT&CK] Phishing - T1566 | [MITRE ATT&CK] User Execution - T1204 | [MITRE ATT&CK] Ingress Tool Transfer - T1105 | [MITRE ATT&CK] Command and Scripting Interpreter - T1059 | [MITRE ATT&CK] Impair Defenses - T1562 | [MITRE ATT&CK] Data Encrypted for Impact - T1486 Tags: actor:DEV-0569, detection:Cobalt Strike, detection:Royal, malware-type:Ransomware, file-type:VHD, detection:NSudo, malware-type:Hacktool, detection:IcedID, Google Ads, Keitaro, Traffic distribution system, detection:Gozi, detection:BumbleBee, NirCmd, detection:BatLoader, malware-type:Loader, detection:Vidar, malware-type:Stealer, AnyDesk, GitHub, OneDrive, PowerShell, Phishing, SEO poisoning, TeamViewer, Adobe Flash Player, Zoom, Windows Highly Sophisticated Phishing Scams Are Abusing Holiday Sentiment (published: November 16, 2022) From mid-September 2022, a new phishing campaign targets users in North America with holiday special pretenses. It impersonated a number of major brands including Costco, Delta Airlines, Dick's, and Sam's Club. Akamai researchers analyzed techniques that the underlying sophisticated phishing kit was using. For defense evasion and tracking, the attackers used URI fragmentation. They were placing target-specific tokens after the URL fragment identifier (a hash mark, aka HTML anchor). The value was used by a JavaScript code running on the victim’s browser to reconstruct the redirecting URL. Analyst Comment: Evasion through URI fragmentation hides the token value from traff Ransomware Malware Tool Threat Guideline Medical APT 38 ★★★★
Anomali.webp 2022-10-25 16:53:00 Anomali Cyber Watch: Daixin Team Ransoms Healthcare Sector, Earth Berberoka Breaches Casinos for Data, Windows Affected by Bring-Your-Own-Vulnerable-Driver Attacks, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, China, DDoS, Infostealers, Iran, Ransomware, and Russia. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Alert (AA22-294A) #StopRansomware: Daixin Team (published: October 21, 2022) Daixin Team is a double-extortion ransomware group that has been targeting US businesses, predominantly in the healthcare sector. Since June 2022, Daixin Team has been encrypting electronic health record services, diagnostics services, imaging services, and intranet services. The group has exfiltrated personal identifiable information and patient health information. Typical intrusion starts with initial access through virtual private network (VPN) servers gained by exploitation or valid credentials derived from prior phishing. They use SSH and RDP for lateral movement and target VMware ESXi systems with ransomware based on leaked Babuk Locker source code. Analyst Comment: Network defenders should keep organization’s VPN servers up-to-date on security updates. Enable multifactor authentication (MFA) on your VPN server and other critical accounts (administrative, backup-related, and webmail). Restrict the use of RDP, SSH, Telnet, virtual desktop and similar services in your environment. MITRE ATT&CK: [MITRE ATT&CK] Exploit Public-Facing Application - T1190 | [MITRE ATT&CK] Valid Accounts - T1078 | [MITRE ATT&CK] Account Manipulation - T1098 | [MITRE ATT&CK] OS Credential Dumping - T1003 | [MITRE ATT&CK] Remote Service Session Hijacking - T1563 | [MITRE ATT&CK] Use Alternate Authentication Material - T1550 | [MITRE ATT&CK] Exfiltration Over Web Service - T1567 | [MITRE ATT&CK] Data Encrypted for Impact - T1486 Tags: actor:Daixin Team, malware-type:Ransomware, PHI, SSH, RDP, Rclone, Ngrok, target-sector:Health Care NAICS 62, ESXi, VMware, Windows Exbyte: BlackByte Ransomware Attackers Deploy New Exfiltration Tool (published: October 21, 2022) Symantec detected a new custom data exfiltration tool used in a number of BlackByte ransomware attacks. This infostealer, dubbed Exbyte, performs anti-sandbox checks and proceeds to exfiltrate selected file types to a hardcoded Mega account. BlackByte ransomware-as-a-service operations were first uncovered in February 2022. The group’s recent attacks start with exploiting public-facing vulnerabilities of ProxyShell and ProxyLogon families. BlackByte removes Kernel Notify Routines to bypass Endpoint Detection and Response (EDR) products. The group uses AdFind, AnyDesk, Exbyte, NetScan, and PowerView tools and deploys BlackByte 2.0 ransomware payload. Analyst Comment: It is crucial that your company ensures that servers are Ransomware Malware Tool Vulnerability Threat Medical APT 38
Anomali.webp 2022-10-04 18:08:00 Anomali Cyber Watch: Canceling Subscription Installs Royal Ransomware, Lazarus Covinces to SSH to Its Servers, Polyglot File Executed Itself as a Different File Type, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: DLL side-loading, Influence operations, Infostealers, North Korea, Ransomware, Russia, and Social engineering. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence New Royal Ransomware Emerges in Multi-Million Dollar Attacks (published: September 29, 2022) AdvIntel and BleepingComputer researchers describe the Royal ransomware group. Several experienced ransomware actors formed this group in January 2022. It started with third-party encryptors such as BlackCat, switched to using its own custom Zeon ransomware, and, since the middle of September 2022, the Royal ransomware. Royal group utilizes targeted callback phishing attacks. Its phishing emails impersonating food delivery and software providers contained phone numbers to cancel the alleged subscription (after the alleged end of a free trial). If an employee calls the number, Royal uses social engineering to convince the victim to install a remote access tool, which is used to gain initial access to the corporate network. Analyst Comment: Use services such as Anomali's Premium Digital Risk Protection to detect the abuse of your brands in typosquatting and phishing attacks. Organizations should include callback phishing attacks awareness into their anti-phishing training. MITRE ATT&CK: [MITRE ATT&CK] Data Encrypted for Impact - T1486 | [MITRE ATT&CK] Phishing - T1566 Tags: actor:Royal, detection:Zeon, detection:Royal, malware-type:Ransomware, detection:BlackCat, detection:Cobalt Strike, Callback phishing attacks, Spearphishing, Social Engineering ZINC Weaponizing Open-Source Software (published: September 29, 2022) Microsoft researchers described recent developments in Lazarus Group (ZINC) campaigns that start from social engineering conversations on LinkedIn. Since June 2022, Lazarus was able to trojanize several open-source tools (KiTTY, muPDF/Subliminal Recording software installer, PuTTY, TightVNC, and Sumatra PDF Reader). When a target extracts the trojanized tool from the ISO file and installs it, Lazarus is able to deliver their custom malware such as EventHorizon and ZetaNile. In many cases, the final payload was not delivered unless the target manually established an SSH connection to an attacker-controlled IP address provided in the attached ReadMe.txt file. Analyst Comment: All known indicators connected to this recent Lazarus Group campaign are available in the Anomali platform and customers are advised to block these on their infrastructure. Researchers should monitor for the additional User Execution step required for payload delivery. Defense contractors should be aware of advanced social engineering efforts abusing LinkedIn and other means of establishing trusted communication. MITRE ATT&CK: [MITRE ATT&CK] User Execution - T1204 | [MITRE ATT&CK] Scheduled Task - T1053 | Ransomware Malware Tool Threat Medical APT 38
CSO.webp 2022-08-24 12:34:00 WannaCry explained: A perfect ransomware storm (lien direct) What is WannaCry? WannaCry is a ransomware worm that spread rapidly through across a number of computer networks in May of 2017. After infecting a Windows computer, it encrypts files on the PC's hard drive, making them impossible for users to access, then demands a ransom payment in bitcoin in order to decrypt them.A number of factors made the initial spread of WannaCry particularly noteworthy: it struck a number of important and high-profile systems, including many in Britain's National Health Service; it exploited a Windows vulnerability that was suspected to have been first discovered by the United States National Security Agency; and it was tentatively linked by Symantec and other security researchers to the Lazarus Group, a cybercrime organization that may be connected to the North Korean government.To read this article in full, please click here Ransomware Vulnerability Medical Wannacry Wannacry APT 38
Anomali.webp 2022-08-16 15:06:00 Anomali Cyber Watch: Ransomware Module Added to SOVA Android Trojan, Bitter APT Targets Mobile Phones with Dracarys, China-Sponsored TA428 Deploys Six Backdoors at Once, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: Android, APT, China, Cyberespionage, India, Malspam, Ransomware, Spearphishing, and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence APT-C-35: New Windows Framework Revealed (published: August 11, 2022) The DoNot Team (APT-C-35) are India-sponsored actors active since at least 2016. Morphisec Labs researchers discovered a new Windows framework used by the group in its campaign targeting Pakistani government and defense departments. The attack starts with a spearphishing RTF attachment. If opened in a Microsoft Office application, it downloads a malicious remote template. After the victim enables editing (macroses) a multi-stage framework deployment starts. It includes two shellcode stages followed by main DLL that, based on victim fingerprinting, downloads a custom set of additional information-stealing modules. Analyst Comment: The described DoNot Team framework is pretty unique in its customisation, fingerprinting, and module implementation. At the same time, the general theme of spearphishing attachment that asks the targeted user to enable editing is not new and can be mitigated by anti-phishing training and Microsoft Office settings hardening. MITRE ATT&CK: [MITRE ATT&CK] Phishing - T1566 | [MITRE ATT&CK] Virtualization/Sandbox Evasion - T1497 | [MITRE ATT&CK] Template Injection - T1221 | [MITRE ATT&CK] User Execution - T1204 | [MITRE ATT&CK] Ingress Tool Transfer - T1105 | [MITRE ATT&CK] Obfuscated Files or Information - T1027 | [MITRE ATT&CK] Deobfuscate/Decode Files or Information - T1140 | [MITRE ATT&CK] Scheduled Task - T1053 | [MITRE ATT&CK] System Information Discovery - T1082 | [MITRE ATT&CK] Input Capture - T1056 | [MITRE ATT&CK] Screen Capture - T1113 | [MITRE ATT&CK] Data from Local System - T1005 | [MITRE ATT&CK] Data from Removable Media - T1025 | [MITRE ATT&CK] Data from Network Shared Drive - T1039 | [MITRE ATT&CK] Credentials from Password Stores - T1555 | [MITRE ATT&CK] Data Staged - T1074 | [MITRE ATT&CK] Command and Scripting Interpreter - T1059 Tags: APT-C-35, DoNot Team, APT, India, source-country:IN, Government, Military, Pakistan, target-country:PK, Windows Ransomware Malware Tool Vulnerability Threat Guideline Medical APT 38
SecurityAffairs.webp 2022-08-09 17:04:09 Experts linked Maui ransomware to North Korean Andariel APT (lien direct) >Cybersecurity researchers from Kaspersky linked the Maui ransomware to the North Korea-backed Andariel APT group. Kaspersky linked with medium confidence the Maui ransomware operation to the North Korea-backed APT group Andariel, which is considered a division of the Lazarus APT Group,  North Korean nation-state actors used Maui ransomware to encrypt servers providing healthcare services, including electronic […] Ransomware APT 38
Fortinet.webp 2022-07-07 08:14:35 North Korean State-Sponsored Threat Actors Deploying "MAUI" Ransomware (lien direct) Today, the United States Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Agency (CISA) and the Department of Treasury released a joint Cybersecurity Advisory on Maui Ransomware, which is attributed to state sponsored activity by the government of North Korea. The Joint CSA provides detailed insight on the various TTPs used by the threat actors behind Maui, which has targeted the Health and Public Health Sector.How Serious of an Issue is This?High. As ransomware activity causes downtime, theft of confidential and personally identifiable information (PII) and other significant impact to operations, it is important to ensure that various security measures are in place, like being up to date with patching vulnerable machines/infrastructure. Also, ensuring employees are trained and up to date on various social engineering attempts and tactics used by threat actors will be a first line of defense against such attacks.What is Maui Ransomware?Maui ransomware is unique in a way that it requires manual execution to start the encryption routine. Maui also features a CLI (command line interface) that is used by the threat actor to target specific files to encrypt. Maui also has the ability to identify previously encrypted files due to customer headers containing the original path of the file.Who are HIDDEN COBRA/LAZARUS/APT38/BeagleBoyz?HIDDEN COBRA also known as Lazarus/APT38/BeagleBoyz has been atributed to the government of North Korea. Also, they have been linked to multiple high-profile, financially-motivated attacks in various parts of the world - some of which have caused massive infrastructure disruptions. Notable attacks include the 2014 attack on a major entertainment company and a 2016 Bangladeshi financial institution heist that almost netted nearly $1 Billion (USD) for the attackers. Had it not been for a misspelling in an instruction that caused a bank to flag and block thirty transactions, HIDDEN COBRA would have pulled off a heist unlike any other. Although HIDDEN COBRA failed in their attempt, they were still able to net around 81 million dollars in total.The most recent notable attack attributed to HIDDEN COBRA was the Wannacry Ransomware attack, which resulted in massive disruption and damage worldwide to numerous organizations, especially those in manufacturing. Various estimates of the impact were in the hundreds of millions of dollars, with some estimates claiming billions. Other verticals which this group has targeted include critical infrastructures, entertainment, finance, healthcare, and telecommunication sectors across multiple countries.Who are the BeagleBoyz?The BeagleBoyz group is a newly identified group that is a subset of activity by the threat actors known as HIDDEN COBRA/LAZARUS/APT 38 and has been observed committing financial crimes, specifically cryptocurrency related thefts. Further information about the BeagleBoyz can be found here.What Operating Systems are Affected?Windows based operating systems are affected.What is the Status of Coverage?Fortinet customers running the latest definitions are protected against Maui with the following (AV) signatures:W32/Ransom_Win32_MAUICRYPT.YACC5W32/Agent.C5C2!trW32/PossibleThreatAnything Else to Note?Victims of ransomware are cautioned against paying ransoms by such organizations as CISA, NCSC, the FBI, and HHS. Payment does not guarantee files will be recovered. It may also embolden adversaries to target additional organizations, encourage other criminal actors to engage in the distribution of ransomware, and/or fund illicit activities which could potentially be illegal according to a U.S. Department of Treasury's Office of Foreign Assets Control (OFAC) advisory. Ransomware Threat Patching Medical Wannacry Wannacry APT 38
grahamcluley.webp 2022-06-09 18:21:34 Smashing Security podcast #278: Tim Hortons, avoiding sanctions, and good faith security research (lien direct) Trouble brews with the Tim Hortons app, Mandiant gets in a tussle with a Russian ransomware gang, and should good faith security researchers be at risk of prosecution? All this and much more is discussed in the latest edition of the award-winning "Smashing Security" podcast by computer security veterans Graham Cluley and Carole Theriault, joined this week by The Lazarus Heist's Geoff White. Ransomware APT 38
Kaspersky.webp 2022-05-05 12:20:10 VHD Ransomware Linked to North Korea\'s Lazarus Group (lien direct) Source code and Bitcoin transactions point to the malware, which emerged in March 2020, being the work of APT38, researchers at Trellix said. Ransomware Medical APT 38 APT 28
SecurityAffairs.webp 2022-05-04 12:39:23 Experts linked multiple ransomware strains North Korea-backed APT38 group (lien direct) Researchers from Trellix linked multiple ransomware strains to the North Korea-backed APT38 group. The ransomware was employed in attacks on financial institutions, experts estimated that APT38 (Unit 180 of North Korea’s cyber-army Bureau 121) has stolen at hundreds of million dollars from banks worldwide. APT38 appears to be a North Korea-linked group separate from the […] Ransomware Medical APT 38
Anomali.webp 2022-04-26 16:24:00 Anomali Cyber Watch: Gamaredon Delivers Four Pterodos At Once, Known-Plaintext Attack on Yanlouwang Encryption, North-Korea Targets Blockchain Industry, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, CatalanGate, Cloud, Cryptocurrency, Information stealers, Ransomware, and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence SocGholish and Zloader – From Fake Updates and Installers to Owning Your Systems (published: April 25, 2022) Cybereason researchers have compared trending attacks involving SocGholish and Zloader malware. Both infection chains begin with social engineering and malicious downloads masquerading as legitimate software, and both lead to data theft and possible ransomware installation. SocGholish attacks rely on drive-by downloads followed by user execution of purported browser installer or browser update. The SocGholish JavaScript payload is obfuscated using random variable names and string manipulation. The attacker domain names are written in reverse order with the individual string characters being put at the odd index positions. Zloader infection starts by masquerading as a popular application such as TeamViewer. Zloader acts as information stealer, backdoor, and downloader. Active since 2016, Zloader actively evolves and has acquired detection evasion capabilities, such as excluding its processes from Windows Defender and using living-off-the-land (LotL) executables. Analyst Comment: All applications should be carefully researched prior to installing on a personal or work machine. Applications that request additional permissions upon installation should be carefully vetted prior to allowing permissions. Additionally, all applications, especially free versions, should only be downloaded from trusted vendors. MITRE ATT&CK: [MITRE ATT&CK] Drive-by Compromise - T1189 | [MITRE ATT&CK] Phishing - T1566 | [MITRE ATT&CK] User Execution - T1204 | [MITRE ATT&CK] Command and Scripting Interpreter - T1059 | [MITRE ATT&CK] Windows Management Instrumentation - T1047 | [MITRE ATT&CK] Masquerading - T1036 | [MITRE ATT&CK] Process Injection - T1055 | [MITRE ATT&CK] Signed Binary Proxy Execution - T1218 | [MITRE ATT&CK] Credentials from Password Stores - T1555 | [MITRE ATT&CK] Steal or Forge Kerberos Tickets - T1558 | [MITRE ATT&CK] Steal Web Session Cookie - T1539 | [MITRE ATT&CK] Unsecured Credentials - T1552 | [MITRE ATT&CK] Remote System Discovery - T1018 | [MITRE ATT&CK] System Owner/User Discovery - T1033 | Ransomware Malware Tool Vulnerability Threat Guideline Medical Uber APT 38 APT 28
Anomali.webp 2022-04-19 15:00:00 Anomali Cyber Watch: RaidForums Seized, Sandworm Attacks Ukrainian Power Stations, North Korea Steals Chemical Secrets, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, China, Cyberespionage, North Korea, Spearphishing, Russia, Ukraine, and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Lazarus Targets Chemical Sector (published: April 14, 2022) In January 2022, Symantec researchers discovered a new wave of Operation Dream Job. This operation, attributed to the North Korea-sponsored group Lazarus, utilizes fake job offers via professional social media and email communications. With the new wave of attacks, Operation Dream Job switched from targeting the defense, government, and engineering sectors to targeting South Korean organizations operating within the chemical sector. A targeted user executes an HTM file sent via a link. The HTM file is copied to a DLL file to be injected into the legitimate system management software. It downloads and executes the final backdoor: a trojanized version of the Tukaani project LZMA Utils library (XZ Utils) with a malicious export added (AppMgmt). After the initial access, the attackers gain persistence via scheduled tasks, move laterally, and collect credentials and sensitive information. Analyst Comment: Organizations should train their users to recognize social engineering attacks including those posing as “dream job” proposals. Organizations facing cyberespionage threats should implement a defense-in-depth approach: layering of security mechanisms, redundancy, fail-safe defense processes. MITRE ATT&CK: [MITRE ATT&CK] Scheduled Task - T1053 | [MITRE ATT&CK] User Execution - T1204 | [MITRE ATT&CK] Windows Management Instrumentation - T1047 | [MITRE ATT&CK] Process Injection - T1055 | [MITRE ATT&CK] Valid Accounts - T1078 | [MITRE ATT&CK] Signed Binary Proxy Execution - T1218 | [MITRE ATT&CK] Credentials from Password Stores - T1555 Tags: Lazarus, Operation Dream Job, North Korea, source-country:KP, South Korea, target-country:KR, APT, HTM, CPL, Chemical sector, Espionage, Supply chain, IT sector Old Gremlins, New Methods (published: April 14, 2022) Group-IB researchers have released their analysis of threat actor OldGremlin’s new March 2022 campaign. OldGremlin favored phishing as an initial infection vector, crafting intricate phishing emails that target Russian industries. The threat actors utilized the current war between Russia and Ukraine to add a sense of legitimacy to their emails, with claims that users needed to click a link to register for a new credit card, as current ones would be rendered useless by incoming sanctions. The link leads users to a malicious Microsoft Office document stored within Dropbox. When macros are enabled, the threat actor’s new, custom backdoor, TinyFluff, a new version of their old TinyNode Ransomware Spam Malware Vulnerability Threat Guideline Medical APT 38 APT 28
Anomali.webp 2022-01-19 22:45:00 Anomali Cyber Watch: Russia-Sponsored Cyber Threats, China-Based Earth Lusca Active in Cyberespionage and Cybertheft, BlueNoroff Hunts Cryptocurrency-Related Businesses, and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, China, HTTP Stack, Malspam, North Korea, Phishing, Russia and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Earth Lusca Employs Sophisticated Infrastructure, Varied Tools and Techniques (published: January 17, 2022) The Earth Lusca threat group is part of the Winnti cluster. It is one of different Chinese groups that share aspects of their tactics, techniques, and procedures (TTPs) including the use of Winnti malware. Earth Lusca were active throughout 2021 committing both cyberespionage operations against government-connected organizations and financially-motivated intrusions targeting gambling and cryptocurrency-related sectors. For intrusion, the group tries different ways in including: spearphishing, watering hole attacks, and exploiting publicly facing servers. Cobalt Strike is one of the group’s preferred post-exploitation tools. It is followed by the use of the BioPass RAT, the Doraemon backdoor, the FunnySwitch backdoor, ShadowPad, and Winnti. The group employs two separate infrastructure clusters, first one is rented Vultr VPS servers used for command-and-control (C2), second one is compromised web servers used to scan for vulnerabilities, tunnel traffic, and Cobalt Strike C2. Analyst Comment: Earth Lusca often relies on tried-and-true techniques that can be stopped by security best practices, such as avoiding clicking on suspicious email/website links and or reacting on random banners urging to update important public-facing applications. Don’t be tricked to download Adobe Flash update, it was discontinued at the end of December 2020. Administrators should keep their important public-facing applications (such as Microsoft Exchange and Oracle GlassFish Server) updated. MITRE ATT&CK: [MITRE ATT&CK] Drive-by Compromise - T1189 | [MITRE ATT&CK] Exploit Public-Facing Application - T1190 | [MITRE ATT&CK] Phishing - T1566 | [MITRE ATT&CK] Command and Scripting Interpreter - T1059 | [MITRE ATT&CK] Scheduled Task - T1053 | [MITRE ATT&CK] System Services - T1569 | [MITRE ATT&CK] Windows Management Instrumentation - T1047 | [MITRE ATT&CK] Account Manipulation - T1098 | [MITRE ATT&CK] BITS Jobs - T1197 | [MITRE ATT&CK] Create Account - T1136 | [MITRE ATT&CK] Create or Modify System Process - T1543 | [MITRE ATT&CK] External Remote Services - T1133 | [MITRE ATT&CK] Hijack Execution Flow Ransomware Malware Tool Vulnerability Threat Patching Guideline APT 41 APT 38 APT 29 APT 28 APT 28
Anomali.webp 2021-12-21 16:57:00 Anomali Cyber Watch: \'PseudoManuscrypt\' Mass Spyware Campaign Targets 35K Systems, APT31 Intrusion Set Campaign: Description, Countermeasures and Code, State-sponsored hackers abuse Slack API to steal (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT31, Magecart, Hancitor, Pakdoor, Lazarus, and Vulnerabilities CVE-2021-21551.. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence NSW Government Casual Recruiter Suffers Ransomware Hit (published: December 17, 2021) Finite Recruitment suffered a ransomware attack during the month of October 2021, resulting in the exfiltration of some data. Their incident responders (IR) identified the ransomware as Conti, a fast encrypting ransomware commonly attributed to the cybercriminal group Wizard Spider. The exfiltrated data was published on the dark web, however the firm remains fully operational, and affected customers are being informed. Analyst Comment: Always check to see if there is a decryptor available for the ransomware before considering payment. Enforce a strong backup policy to ensure that data is recoverable in the event of encryption or loss. MITRE ATT&CK: [MITRE ATT&CK] Scheduled Transfer - T1029 Tags: Conti, Wizard Spider, Ransomware, Banking and Finance Phorpiex botnet is back with a new Twizt: Hijacking Hundreds of crypto transactions (published: December 16, 2021) Check Point Research has uncovered a new variant of the Phorpiex botnet named Twizt. Historically, Phorpiex utilized sextortion, ransomware delivery, and cryptocurrency clipping. Twizt however, appears to be primarily focused on stealing cryptocurrency and have stolen half a million dollars since November 2020 in the form of Bitcoin, Ether and ERC20 tokens.The botnet features departure from it’s traditional command and control (C2) infrastructure, opting for peer-to-peer (P2P) communications between infected hosts, eliminating the need for C2 communication as each host can fulfill that role. Analyst Comment: Bots within a P2P network need to communicate regularly with other bots to receive and share commands. If the infected bots are on a private network, private IP addresses will be used. Therefore, careful monitoring of network traffic will reveal suspicious activity, and a spike in network resource usage as opposed to the detection of C2 IP addresses. MITRE ATT&CK: [MITRE ATT&CK] Data Encoding - T1132 | [MITRE ATT&CK] File and Directory Discovery - T1083 | [MITRE ATT&CK] Clipboard Data - T1115 Tags: Phorpiex, Twizt, Russia, Banking and Finance, Cryptocurrency, Bitcoin ‘PseudoManuscrypt’ Mass Spyware Campaign Targets 35K Systems (published: December 16, 2021) Kaspersky researchers have documented a spyware that has targeted 195 countries as of December 2021. The spyware, named PseudoManuscrypt, was developed and deployed by Lazarus Group Ransomware Malware Vulnerability Threat Guideline Medical APT 41 APT 38 APT 28 APT 31
Anomali.webp 2021-11-16 17:34:00 Anomali Cyber Watch: REvil Affiliates Arrested, Electronics Retail Giant Hit By Ransomware, Robinhood Breach, Zero Day In Palo Alto Security Appliance and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Data breach, Data leak, Malspam, Phishing, and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Targeted Attack Campaign Against ManageEngine ADSelfService Plus Delivers Godzilla Webshells, NGLite Trojan and KdcSponge Stealer (published: November 8, 2021) US Cybersecurity and Infrastructure Security Agency (CISA) has released an alert about advanced persistent threat (APT) actors exploiting vulnerability in self-service password management and single sign-on solution known as ManageEngine ADSelfService Plus. PaloAlto, Microsoft & Lumen Technologies did a joint effort to track, analyse and mitigate this threat. The attack deployed a webshell and created a registry key for persistence. The actor leveraged leased infrastructure in the US to scan hundreds of organizations and compromised at least nine global organizations across technology, defense, healthcare and education industries. Analyst Comment: This actor has used some unique techniques in these attacks including: a blockchain based legitimate remote control application, and credential stealing tool which hooks specific functions from the LSASS process. It’s important to make sure your EDR solution is configured to and supports detecting such advanced techniques in order to detect such attacks. MITRE ATT&CK: [MITRE ATT&CK] OS Credential Dumping - T1003 | [MITRE ATT&CK] Ingress Tool Transfer - T1105 | [MITRE ATT&CK] Scripting - T1064 | [MITRE ATT&CK] Valid Accounts - T1078 | [MITRE ATT&CK] Application Layer Protocol - T1071 | [MITRE ATT&CK] Credentials in Files - T1081 | [MITRE ATT&CK] Brute Force - T1110 | [MITRE ATT&CK] Data Staged - T1074 | [MITRE ATT&CK] External Remote Services - T1133 | [MITRE ATT&CK] Hooking - T1179 | [MITRE ATT&CK] Registry Run Keys / Startup Folder - T1060 | [MITRE ATT&CK] Pass the Hash - T1075 Tags: Threat Group 3390, APT27, TG-3390, Emissary Panda, WildFire, NGLite backdoor, Cobalt Strike, Godzilla, PwDump, beacon, ChinaChopper, CVE-2021-40539, Healthcare, Military, North America, China REvil Affiliates Arrested; DOJ Seizes $6.1M in Ransom (published: November 9, 2021) A 22 year old Ukranian national named Yaroslav Vasinskyi, has been charged with conducting ransomware attacks by the U.S Department of Justice (DOJ). These attacks include t Ransomware Data Breach Malware Tool Vulnerability Threat Medical APT 38 APT 27 APT 1
Anomali.webp 2021-06-22 18:18:00 Anomali Cyber Watch:  Klingon RAT Holding on for Dear Life, CVS Medical Records Breach, Black Kingdom Ransomware and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: Black Kingdom, Darkside, Go, Klingon Rat, Microsoft PowerApps, Ransomware and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Andariel Evolves to Target South Korea with Ransomware (published: June 15, 2021) Researchers at securelist identified ransomware attacks from Andariel, a sub-group of Lazarus targeting South Korea. Attack victims included entities from manufacturing, home network service, media and construction sectors. These attacks involved malicious Microsoft Word documents containing a macro and used novel techniques to implant a multi-stage payload. The final payload was a ransomware custom made for this specific attack. Analyst Comment: Users should be wary of documents that request Macros to be enabled. All employees should be educated on the risk of opening attachments from unknown senders. Anti-spam and antivirus protections should be implemented and kept up-to-date with the latest version to better ensure security. MITRE ATT&CK: [MITRE ATT&CK] System Network Connections Discovery - T1049 | [MITRE ATT&CK] Process Discovery - T1057 | [MITRE ATT&CK] Screen Capture - T1113 | [MITRE ATT&CK] Standard Non-Application Layer Protocol - T1095 | [MITRE ATT&CK] Exfiltration Over Command and Control Channel - T1041 | [MITRE ATT&CK] Data Encrypted for Impact - T1486 Tags: Lazarus group, Lazarus, Andariel, Hidden Cobra, tasklist, Manuscrypt, Banking And Finance, Malicious documents, Macros Matanbuchus: Malware-as-a-Service with Demonic Intentions (published: June 15, 2021) In February 2021, BelialDemon advertised a new malware-as-a-service (MaaS) called Matanbuchus Loader and charged an initial rental price of $2,500. Malware loaders are malicious software that typically drop or pull down second-stage malware from command and control (C2) infrastructures. Analyst Comment: Malware as a Service (MaaS) is a relatively new development, which opens the doors of crime to anyone with the money to pay for access. A criminal organization that wants to carry out a malware attack on a target no longer requires in-house technical expertise or infrastructure. Such attacks in most cases share tactics, techniques, and even IOCs. This highlights the importance of intelligence sharing for proactive protection. MITRE ATT&CK: [MITRE ATT&CK] System Network Configuration Discovery - T1016 Tags: BelialDemon, Matanbuchus, Belial, WildFire, EU, North America Black Kingdom ransomware (published: June 17 Ransomware Data Breach Malware Vulnerability Threat Medical APT 38 APT 28
Anomali.webp 2021-06-02 15:00:00 Anomali Cyber Watch: Attacks Against Israeli Targets, MacOS Zero-Days, Conti Ransomware Targeting US Healthcare and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: Agrius, Conti, North Korea, JSWorm, Nobelium, Phishing, Strrat and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence New Sophisticated Email-based Attack From NOBELIUM (published: May 28, 2021) NOBELIUM, the threat actor behind SolarWinds attacks, has been conducting a widespread email campaign against more than 150 organizations. Using attached HTML files containing JavaScript, the email will write an ISO file to disk; this contains a Cobalt Strike beacon that will activate on completion. Once detonated, the attackers have persistent access to a victims’ system for additional objectives such as data harvesting/exfiltration, monitoring, and lateral movement. Analyst Comment: Be sure to update and monitor email filter rules constantly. As noted in the report, many organizations managed to block these malicious emails; however, some payloads successfully bypassed cloud security due to incorrect/poorly implemented filter rules. MITRE ATT&CK: [MITRE ATT&CK] Spearphishing Link - T1192 | [MITRE ATT&CK] Spearphishing Attachment - T1193 Tags: Nobelium, SolarWinds, TearDrop, CVE-2021-1879, Government, Military Evolution of JSWorm Ransomware (published: May 25, 2021) JSWorm ransomware was discovered in 2019, and since then different variants have gained notoriety under different names such as Nemty, Nefilim, and Offwhite, among others. It has been used to target multiple industries with the largest concentration in engineering, and others including finance, healthcare, and energy. While the underlying code has been rewritten from C++ to Golang (and back again), along with revolving distribution methods, JSWorm remains a consistent threat. Analyst Comment: Ransomware threats often affect organisations in two ways. First encrypting operational critical documents and data. In these cases EDR solutions will help to block potential Ransomwares and data backup solutions will help for restoring files in case an attack is successful. Secondly, sensitive customer and business files are exfiltrated and leaked online by ransomware gangs. DLP solutions will help to identify and block potential data exfiltration attempts. Whereas network segregation and encryption of critical data will play an important role in reducing the risk. MITRE ATT&CK: [MITRE ATT&CK] Obfuscated Files or Information - T1027 | [MITRE ATT&CK] Private Keys - T1145 | [MITRE ATT&CK] Remote File Copy - T1105 | [MITRE ATT&CK] System Owner/User Discovery - T1033 | [MITRE ATT&CK] Code Signing - T1116 | [MITRE ATT&CK] BITS Jobs - T1197 Ransomware Malware Threat Medical Solardwinds APT 38 APT 28
Anomali.webp 2021-04-27 17:24:00 Anomali Cyber Watch:  HabitsRAT Targeting Linux and Windows Servers, Lazarus Group Targetting South Korean Orgs, Multiple Zero-Days and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Android Malware, RATs, Phishing, QLocker Ransomware and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Zero-day Vulnerabilities in SonicWall Email Security Actively Exploited (published: April 21, 2021) US cybersecurity company SonicWall said fixes have been published to resolve three critical issues in its email security solution that are being actively exploited in the wild. The vulnerabilities are tracked as CVE-2021-20021, CVE-2021-20022, and CVE-2021-20023, impacting SonicWall ES/Hosted Email Security (HES) versions 10.0.1 and above. Analyst Comment: The patches for these vulnerabilities have been issued and should be applied as soon as possible to avoid potential malicious behaviour. SonicWall’s security notice can be found here https://www.sonicwall.com/support/product-notification/security-notice-sonicwall-email-security-zero-day-vulnerabilities/210416112932360/. It is important that your company has patch-maintenance policies in place. Once a vulnerability has been publicly reported,, threat actors will likely attempt to incorporate the exploitation of the vulnerability into their malicious operations. Patches should be reviewed and applied as soon as possible to prevent potential malicious activity. MITRE ATT&CK: [MITRE ATT&CK] Remote File Copy - T1105 | [MITRE ATT&CK] File and Directory Discovery - T1083 Tags: CVE-2021-20021, CVE-2021-20023, CVE-2021-20022 Massive Qlocker Ransomware Attack Uses 7zip to Encrypt QNAP Devices (published: April 21, 2021) The ransomware is called Qlocker and began targeting QNAP devices on April 19th, 2021. All victims are told to pay 0.01 Bitcoins, which is approximately $557.74, to get a password for their archived files. While the files are being locked, the Resource Monitor will display numerous '7z' processes which are the 7zip command-line executable. Analyst Comment: Attackers are using legitimate tools like 7zip to evade detections by traditional antiviruses. EDR solutions can help tracking suspicious command line arguments and process creations to potentially detect such attacks. Customers should use backup solutions to be able recover encrypted files. MITRE ATT&CK: [MITRE ATT&CK] Credentials in Files - T1081 Tags: Tor, Qlocker, CVE-2020-2509, CVE-2020-36195 Novel Email-Based Campaign Targets Bloomberg Clients with RATs (published: April 21, 2021) A new e-mail-based campaign by an emerging threat actor aims to spread various remote access trojans (RATs) to a very specific group of targets who use Bloomberg's industry-based services. Attacks start in the form of targeted emails to c Ransomware Malware Tool Vulnerability Threat Medical Wannacry Wannacry APT 38 APT 28
Anomali.webp 2021-03-23 14:00:00 Anomali Cyber Watch:  APT, Malware, Vulnerabilities and More. (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: BlackRock, CopperStealer, Go, Lazarus, Mirai, Mustang Panda, Rust, Tax Season, and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Bogus Android Clubhouse App Drops Credential-Swiping Malware (published: March 19, 2021) Researchers are warning of a fake version of the popular audio chat app Clubhouse, which delivers malware that steals login credentials for more than 450 apps. Clubhouse has burst on the social media scene over the past few months, gaining hype through its audio-chat rooms where participants can discuss anything from politics to relationships. Despite being invite-only, and only being around for a year, the app is closing in on 13 million downloads. The app is only available on Apple's App Store mobile application marketplace - though plans are in the works to develop one. Analyst Comment: Use only the official stores to download apps to your devices. Be wary of what kinds of permissions you grant to applications. Before downloading an app, do some research. MITRE ATT&CK: [MITRE ATT&CK] Remote File Copy - T1105 Tags: LokiBot, BlackRock, Banking, Android, Clubhouse Trojanized Xcode Project Slips XcodeSpy Malware to Apple Developers (published: March 18, 2021) Researchers from cybersecurity firm SentinelOne have discovered a malicious version of the legitimate iOS TabBarInteraction Xcode project being distributed in a supply-chain attack. The malware, dubbed XcodeSpy, targets Xcode, an integrated development environment (IDE) used in macOS for developing Apple software and applications. The malicious project is a ripped version of TabBarInteraction, a legitimate project that has not been compromised. Malicious Xcode projects are being used to hijack developer systems and spread custom EggShell backdoors. Analyst Comment: Researchers attribute this new targeting of Apple developers to North Korea and Lazarus group: similar TTPs of compromising developer supply chain were discovered in January 2021 when North Korean APT was using a malicious Visual Studio project. Moreover, one of the victims of XcodeSpy is a Japanese organization regularly targeted by North Korea. A behavioral detection solution is required to fully detect the presence of XcodeSpy payloads. MITRE ATT&CK: [MITRE ATT&CK] Remote File Copy - T1105 | [MITRE ATT&CK] Security Software Discovery - T1063 | [MITRE ATT&CK] Obfuscated Files or Information - T1027 Tags: Lazarus, XcodeSpy, North Korea, EggShell, Xcode, Apple Cybereason Exposes Campaign Targeting US Taxpayers with NetWire and Remcos Malware (published: March 18, 2021) Cybereason detected a new campaig Ransomware Malware Tool Threat Patching Medical APT 38 APT 28
2020-11-12 05:52:48 CRAT wants to plunder your endpoints (lien direct) By Asheer Malhotra. Cisco Talos has observed a new version of a remote access trojan (RAT) family known as CRAT.Apart from the prebuilt RAT capabilities, the malware can download and deploy additional malicious plugins on the infected endpoint.One of the plugins is a ransomware known as "Hansom."CRAT has been attributed to the Lazarus APT Group in the past.The RAT consists of multiple obfuscation techniques to hide strings, API names, command and control (C2) URLs and instrumental functions,... [[ This is only the beginning! Please visit the blog for the complete entry ]] Ransomware Malware APT 38
Anomali.webp 2020-10-06 14:00:00 Weekly Threat Briefing: Ransomware, IPStorm, APT Group, and More (lien direct) The various threat intelligence stories in this iteration of the Weekly Threat Briefing discuss the following topics: APT, BlackTech, BLINDINGCAN, Linux Malware, Palmerworm, Vulnerabilities, and XDSpy. The IOCs related to these stories are attached to the Weekly Threat Briefing and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Grindr Fixed a Bug Allowing Full Takeover of Any User Account (published: October 3, 2020) Grindr, an LGBT networking platform, has fixed a vulnerability that could allow any account to be hijacked. The vulnerability was identified by security researcher Wassime Bouimadaghene, finding that the reset token was leaked in the page’s response content. This would enable anyone who knows a users’ email address to generate the reset link that is sent via email. Gaining account access would enable an attacker to obtain sensitive information such as pictures stored on the app (including NSFW), HIV status, location, and messages. Grindr has announced a bug bounty program. Recommendation: If your account has been breached, you can reset the password using the reset link sent to the associated email address. Tags: Browser, Exposed tokens, Grindr, Sensitive Info XDSpy: Stealing Government Secrets Since 2011 (published: October 2, 2020) Security researchers from ESET have identified a new Advanced Persistent Threat (APT) group that has been targeting Eastern European governments and businesses for up to nine years. Dubbed “XDSpy,” ESET was unable to identify any code similarity or shared infrastructure with other known groups and believe the group operates in a UTC+2 or UTC+3 time zone, Monday to Friday. XDSpy mainly uses spearphishing emails with some variance, some will contain attachments or links to malicious files, usually a ZIP or RAR archive. When the malicious file has infected a victim, it will install “XDDown,” a downloader that will begin to install additional plugins that will begin to exfiltrate files, passwords, and nearby SSIDs. XDSpy has also been observed using “CVE-2020-0968” (Internet Explorer legacy JavaScript vulnerability) bearing some resemblance to DarkHotel campaigns and Operation Domino, ESET do not believe these campaigns are related but may be using the same exploit broker. Recommendation: Defense-in-depth (layering of security mechanisms, redundancy, fail-safe defense processes) is the best way to ensure safety from APTs, including a focus on both network and host-based security. Prevention and detection capabilities should also be in place. Furthermore, all employees should be educated on the risks of spearphishing and how to identify such attempts. MITRE ATT&CK: [MITRE ATT&CK] Exploitation for Client Execution - T1203 | [MITRE ATT&CK] System Owner/User Discovery - T1033 | [MITRE ATT&CK] System Information Discovery - T1082 | [MITRE ATT&CK] System Information Discovery - T1082 | [MITRE ATT&CK] File and Directory Discovery Ransomware Malware Vulnerability Threat Medical APT 38 ★★★★★
Anomali.webp 2020-09-09 16:24:00 Weekly Threat Briefing: Skimmer, Ransomware, APT Group, and More (lien direct) The various threat intelligence stories in this iteration of the Weekly Threat Briefing discuss the following topics: APT, Baka, DDoS, Netwalker, PyVil, Windows Defender, TA413, and Vulnerabilities. The IOCs related to these stories are attached to the Weekly Threat Briefing and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence ‘Baka’ Javascript Skimmer Identified (published: September 6, 2020) Visa have issued a security alert based on identification of a new skimmer, named “Baka”. Based on analysis by Visa Payment Fraud Disruption, the skimmer appears to be more advanced, loading dynamically and using an XOR cipher for obfuscation. The attacks behind Baka are injecting it into checkout pages using a script tag, with the skimming code downloading from the Command and Control (C2) server and executing in memory to steal customer data. Recommendation: eCommerce site owners must take every step necessary to secure their data and safeguard their payment card information. Visa has also released best practices in the security advisory. Tags: Baka, Javascript, Skimmer Netwalker Ransomware Hits Argentinian Government, Demands $4 Million (published: September 6, 2020) The Argentinian immigration agency, Dirección Nacional de Migaciones suffered a ransomware attack that shut down border crossings. After receiving many tech support calls, the computer networks were shut down to prevent further spread of the ransomware, which led to a cecission in border crossings until systems were up again. The ransomware used in this attack is Netwalker ransomware, that left a ransom note demanding initalling $2 million, however when this wasn’t paid in the first week, the ransom increased to $4 million. Recommendation: Ransomware can potentially be blocked by using endpoint protection solutions (HIDS). Always keep your important files backed up following the 3-2-1 rule: have at least 3 different copies, on 2 different mediums, with 1 off-site. In the case of ransomware infection, the affected system must be wiped and reformatted. Other devices on the network should be checked for similar infections. Always check for a decryptor before considering payment; avoid payment at all costs. Ransomware should be reported to law enforcement agencies who are doing their best to track these actors and prevent ransom from being a profitable business for cyber criminals. MITRE ATT&CK: [MITRE ATT&CK] Data Encrypted for Impact - T1486 Tags: Argentina, Government, Netwalker, Ransomware No Rest for the Wicked: Evilnum Unleashes PyVil RAT (published: September 3, 2020) Researchers on the Cybereason Nocturnus team have published their research tracking the threat actor group known as Evilnum, and an ongoing change in their tooling and attack procedures. This includes a new Remote Access Trojan (RAT), written in python that they have begun to use. The actor group attacks targets in the financial services sector using highly targeted spearphishing. The phishing lures leverage "Know Your Customer" (KY Ransomware Malware Tool Vulnerability Threat Medical APT 38 APT 28 ★★★★
SecurityAffairs.webp 2020-07-29 06:42:42 North Korea-Linked Lazarus APT is behind the VHD ransomware (lien direct) Security experts from Kaspersky Lab reported that North Korea-linked hackers are attempting to spread a new ransomware strain known as VHD. North Korean-linked Lazarus APT Group continues to be very active, the state-sponsored hackers are actively employing new ransomware, tracked as VHD, in attacks aimed at enterprises. The activity of the Lazarus Group surged in 2014 and […] Ransomware APT 38
bleepingcomputer.webp 2020-07-28 12:15:00 North Korean hackers created VHD ransomware for enterprise attacks (lien direct) North Korean-backed hackers tracked as the Lazarus Group have developed and are actively using VHD ransomware against enterprise targets according to a report published by Kaspersky researchers today. [...] Ransomware Medical APT 38
SecureList.webp 2020-07-28 10:00:27 Lazarus on the hunt for big game (lien direct) By investigating a number of targeted ransomware attacks and through discussions with some of our trusted industry partners, we feel that we now have a good grasp on how the ransomware ecosystem is structured. Ransomware APT 38
SecurityAffairs.webp 2020-07-23 14:46:05 New MATA Multi-platform malware framework linked to NK Lazarus APT (lien direct) North Korea-linked Lazarus APT Group has used a new multi-platform malware framework, dubbed MATA, to target entities worldwide The notorious Lazarus Group is using a new multi-platform malware framework, dubbed MATA, in attacks aimed at organizations worldwide, to deploy Kaspersky researchers observed that MATA was used by the threat actors to distribute ransomware (i.e. VHD […] Ransomware Malware Threat Medical APT 38
bleepingcomputer.webp 2020-07-22 14:49:59 Lazarus hackers deploy ransomware, steal data using MATA malware (lien direct) A recently discovered malware framework known as MATA and linked to the North Korean-backed hacking group known as Lazarus was used in attacks targeting corporate entities from multiple countries since April 2018 for ransomware deployment and data theft. [...] Ransomware Malware APT 38
MalwarebytesLabs.webp 2019-01-08 19:49:04 Ryuk ransomware attacks businesses over the holidays (lien direct) Over the holiday, a little-known ransomware family called Ryuk caused serious damage to numerous organizations. The attacks leave a lot of questions unanswered. What do we know so far? Categories: Cybercrime Malware Tags: (Read more...) Ransomware APT 38
TechWorm.webp 2018-09-07 18:26:02 North Korean hacker charged for WannaCry and Sony cyberattacks (lien direct) U.S. charges North Korean hacker for WannaCry, Sony cyber attacks The U.S. government on Thursday charged and sanctioned a North Korean hacker for the 2014 Sony hack and the 2017 WannaCry global ransomware cyberattack, U.S. officials said. The accused, Park Jin Hyok worked as part of a team of hackers, also known as the Lazarus […] Ransomware Hack Wannacry APT 38
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