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| Src | Date (GMT) | Titre | Description | Tags | Stories | Notes |
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2024-07-29 10:58:35 | Weekly OSINT Highlights, 29 July 2024 (lien direct) | ## Snapshot Key trends from last week\'s OSINT reporting include novel malware, such as Flame Stealer and FrostyGoop, the compromise of legitimate platforms like Discord and GitHub, and state-sponsored threat actors conducting espionage and destructive attacks. Notable threat actors, including Russian groups, Transparent Tribe, FIN7, and DPRK\'s Andariel, are targeting a wide range of sectors from defense and industrial control systems to financial institutions and research entities. These attacks exploit various vulnerabilities and employ advanced evasion techniques, leveraging both traditional methods and emerging technologies like AI-generated scripts and RDGAs, underscoring the evolving and persistent nature of the cyber threat landscape. ## Description 1. [Widespread Adoption of Flame Stealer](https://sip.security.microsoft.com/intel-explorer/articles/f610f18e): Cyfirma reports Flame Stealer\'s use in stealing Discord tokens and browser credentials. Distributed via Discord and Telegram, this malware targets various platforms, utilizing evasion techniques like DLL side-loading and data exfiltration through Discord webhooks. 2. [ExelaStealer Delivered via PowerShell](https://sip.security.microsoft.com/intel-explorer/articles/5b4a34b0): The SANS Technology Institute Internet Storm Center reported a threat involving ExelaStealer, downloaded from a Russian IP address using a PowerShell script. The script downloads two PE files: a self-extracting RAR archive communicating with "solararbx\[.\]online" and "service.exe," the ExelaStealer malware. The ExelaStealer, developed in Python, uses Discord for C2, conducting reconnaissance activities and gathering system and user details. Comments in Russian in the script and the origin of the IP address suggest a Russian origin. 3. [FrostyGoop Disrupts Heating in Ukraine](https://sip.security.microsoft.com/intel-explorer/articles/cf8f8199): Dragos identified FrostyGoop malware in a cyberattack disrupting heating in Lviv, Ukraine. Linked to Russian groups, the ICS-specific malware exploits vulnerabilities in industrial control systems and communicates using the Modbus TCP protocol. 4. [Rhysida Ransomware Attack on Private School](https://sip.security.microsoft.com/intel-explorer/articles/4cf89ad3): ThreatDown by Malwarebytes identified a Rhysida ransomware attack using a new variant of the Oyster backdoor. The attackers used SEO-poisoned search results to distribute malicious installers masquerading as legitimate software, deploying the Oyster backdoor. 5. [LLMs Used to Generate Malicious Code](https://sip.security.microsoft.com/intel-explorer/articles/96b66de0): Symantec highlights cyberattacks using Large Language Models (LLMs) to generate malware code. Phishing campaigns utilize LLM-generated PowerShell scripts to download payloads like Rhadamanthys and LokiBot, stressing the need for advanced detection against AI-facilitated attacks. 6. [Stargazers Ghost Network Distributes Malware](https://sip.security.microsoft.com/intel-explorer/articles/62a3aa28): Check Point Research uncovers a network of GitHub accounts distributing malware via phishing repositories. The Stargazer Goblin group\'s DaaS operation leverages over 3,000 accounts to spread malware such as Atlantida Stealer and RedLine, targeting both general users and other threat actors. 7. [Crimson RAT Targets Indian Election Results](https://sip.security.microsoft.com/intel-explorer/articles/dfae4887): K7 Labs identified Crimson RAT malware delivered through documents disguised as "Indian Election Results." Transparent Tribe APT, believed to be from Pakistan, targets Indian diplomatic and defense entities using macro-embedded documents to steal credentials. 8. [AsyncRAT Distributed via Weaponized eBooks](https://sip.security.microsoft.com/intel-explorer/articles/e84ee11d): ASEC discovered AsyncRAT malware distributed through weaponized eBooks. Hidden PowerShell scripts within these eBooks trigger the AsyncRAT payload, which uses obfuscation and anti-detection techniques to exfiltrate data. | Ransomware Data Breach Spam Malware Tool Vulnerability Threat Legislation Mobile Industrial Medical | APT 28 APT 36 | |
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2023-05-09 13:00:00 | Cyberheistnews Vol 13 # 19 [Watch Your Back] Nouvelle fausse erreur de mise à jour Chrome Attaque cible vos utilisateurs CyberheistNews Vol 13 #19 [Watch Your Back] New Fake Chrome Update Error Attack Targets Your Users (lien direct) |
CyberheistNews Vol 13 #19 | May 9th, 2023
[Watch Your Back] New Fake Chrome Update Error Attack Targets Your Users
Compromised websites (legitimate sites that have been successfully compromised to support social engineering) are serving visitors fake Google Chrome update error messages.
"Google Chrome users who use the browser regularly should be wary of a new attack campaign that distributes malware by posing as a Google Chrome update error message," Trend Micro warns. "The attack campaign has been operational since February 2023 and has a large impact area."
The message displayed reads, "UPDATE EXCEPTION. An error occurred in Chrome automatic update. Please install the update package manually later, or wait for the next automatic update." A link is provided at the bottom of the bogus error message that takes the user to what\'s misrepresented as a link that will support a Chrome manual update. In fact the link will download a ZIP file that contains an EXE file. The payload is a cryptojacking Monero miner.
A cryptojacker is bad enough since it will drain power and degrade device performance. This one also carries the potential for compromising sensitive information, particularly credentials, and serving as staging for further attacks.
This campaign may be more effective for its routine, innocent look. There are no spectacular threats, no promises of instant wealth, just a notice about a failed update. Users can become desensitized to the potential risks bogus messages concerning IT issues carry with them.
Informed users are the last line of defense against attacks like these. New school security awareness training can help any organization sustain that line of defense and create a strong security culture.
Blog post with links:https://blog.knowbe4.com/fake-chrome-update-error-messages
A Master Class on IT Security: Roger A. Grimes Teaches You Phishing Mitigation
Phishing attacks have come a long way from the spray-and-pray emails of just a few decades ago. Now they\'re more targeted, more cunning and more dangerous. And this enormous security gap leaves you open to business email compromise, session hijacking, ransomware and more.
Join Roger A. Grimes, KnowBe4\'s Data-Driven Defense Evangelist, |
Ransomware Data Breach Spam Malware Tool Threat Prediction | NotPetya NotPetya APT 28 ChatGPT ChatGPT | ★★ |
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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 | |
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2021-04-22 08:30:22 | Smashing Security podcast #224: The Lazarus Heist, Facebook faux pas, and no-cost security (lien direct) | Facebook has managed to do the seemingly impossible - and had a data breach about its handling of a data breach. Meanwhile, we chat to the host of the brand new podcast about North Korea's hackers targeting the rest of the world, and discuss if an intern can be trusted to monitor your security. 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 Geoff White and featuring an interview with Duo's Helen Patton. | Data Breach | APT 38 APT 28 |
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