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Anomali.webp 2022-06-01 17:47:00 Anomali Cyber Watch: TURLA\'s New Phishing-Based Reconnaissance Campaign in Eastern Europe, Unknown APT Group Has Targeted Russia Repeatedly Since Ukraine Invasion and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: Chromeloader, Goodwill, MageCart, Saitama, Turla and Yashma. 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 Credit Card Stealer Targets PsiGate Payment Gateway Software (published: May 25, 2022) Sucuri Researchers have detailed their findings on a MageCart skimmer that had been discovered within the Magento payment portal. Embedded within the core_config_data table of Magento’s database, the skimmer was obfuscated and encoded with CharCode. Once deobfuscated, a JavaScript credit card stealer was revealed. The stealer is able to acquire text and fields that are submitted to the payment page, including credit card numbers and expiry dates. Once stolen, a synchronous AJAX is used to exfiltrate the data. Analyst Comment: Harden endpoint security and utilize firewalls to block suspicious activity to help mitigate against skimmer injection. Monitor network traffic to identify anomalous behavior that may indicate C2 activity. MITRE ATT&CK: [MITRE ATT&CK] Exfiltration Over C2 Channel - T1041 | [MITRE ATT&CK] Data Encoding - T1132 | [MITRE ATT&CK] Input Capture - T1056 Tags: MageCart, skimmer, JavaScript Magento, PsiGate, AJAX How the Saitama Backdoor uses DNS Tunneling (published: May 25, 2022) MalwareBytes Researchers have released their report detailing the process behind which the Saitama backdoor utilizes DNS tunneling to stealthy communicate with command and control (C2) infrastructure. DNS tunneling is an effective way to hide C2 communication as DNS traffic serves a vital function in modern day internet communications thus blocking DNS traffic is almost never done. Saitama formats its DNS lookups with the structure of a domain consisting of message, counter . root domain. Data is encoded utilizing a hardcoded base36 alphabet. There are four types of messages that Saitama can send using this method: Make Contact to establish communication with a C2 domain, Ask For Command to get the expected size of the payload to be delivered, Get A Command in which Saitama will make Receive requests to retrieve payloads and instructions and finally Run The Command in which Saitama runs the instructions or executes the payload and sends the results to the established C2. Analyst Comment: Implement an effective DNS filtering system to block malicious queries. Furthermore, maintaining a whitelist of allowed applications for installation will assist in preventing malware like Saitama from being installed. MITRE ATT&CK: [MITRE ATT&CK] Data Encoding - T1132 | [MITRE ATT&CK] Exfiltration Over C2 Channel - T1041 Tags: C2, DNS, Saitama, backdoor, base36, DNS tunneling Ransomware Malware Tool Threat APT 19
Anomali.webp 2021-07-06 15:05:00 Anomali Cyber Watch: Thousands attacked as REvil ransomware hijacks Kaseya VSA, Leaked Babuk Locker Ransomware Builder Used In New Attacks and More (lien direct) The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: Babuk, IndigoZebra, Ransomware, REvil, Skimmer, Zero-day 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 Shutdown Kaseya VSA Servers Now Amidst Cascading REvil Attack Against MSPs, Clients (published: July 4, 2021) A severe ransomware attack reportedly took place against the popular remote monitoring and management (RMM) software tool Kaseya VSA. On July 2, 2021, Kaseya urged users to shut down their VSA servers to prevent them from being compromised. The company estimated that fewer than 40 of their customers worldwide were affected, but as some of them were managed service providers (MSPs), over 1,000 businesses were infected. The majority of known victims are in the US with some in Europe (Sweden) and New Zealand. The attackers exploited a zero-day vulnerability in Kaseya’s systems that the company was in the process of fixing. It was part of the administrative interface vulnerabilities in tools for system administration previously identified by Wietse Boonstra, a DIVD researcher. The REvil payload was delivered via Kaseya software using a custom dropper that dropped two files. A dropper opens an old but legitimate copy of Windows Defender (MsMpEng.exe) that then side loads and executes the custom malicious loader's export. The attack coincided with the start of the US Independence Day weekend, and has several politically-charged strings, such as “BlackLivesMatter” Windows registry key and “DTrump4ever” as a password. Analyst Comment: Kaseya VSA clients should safely follow the company’s recommendations as it advised shutting Kaseya VSA servers down, and is making new security updates available. Every organization should have a ransomware disaster recovery plan even if it is serviced by a managed service provider (MSP). MITRE ATT&CK: [MITRE ATT&CK] Data Encrypted for Impact - T1486 | [MITRE ATT&CK] Supply Chain Compromise - T1195 | [MITRE ATT&CK] DLL Side-Loading - T1073 Tags: REvil, Sodinokibi, Gandcrab, Leafroller, Kaseya VSA, ransomware, Ransomware-as-a- Service, zero-day, CVE-2021-30116, supply-chain, North America, USA, Sweden, New Zealand, MSP, RMM, schools IndigoZebra APT Continues To Attack Central Asia With Evolving Tools (published: July 1, 2021) Researchers from Check Point have identified the Afghan Government as the latest victim in a cyber espionage campaign by the suspected Chinese group ‘IndigoZebra’. This attack began in April when Afghan National Security Council (NSC) officials began to receive lure emails claiming to be from the President’s secretariat. These emails included a decoy file that would install the backdoor ‘BoxCaon’ on the system before reaching out to the Dropbox API to act as a C&C server. The attacker would then be able to fingerprint the machine and begin accessing files. I Ransomware Spam Malware Tool Vulnerability Threat Guideline APT 19 APT 10
Anomali.webp 2020-09-29 14:00:00 Weekly Threat Briefing: Federal Agency Breach, Exploits, Malware, and Spyware (lien direct) The various threat intelligence stories in this iteration of the Weekly Threat Briefing discuss the following topics: APT, Cyber Espionage, FinSpy, Magento, Taurus Project 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 German-made FinSpy Spyware Found in Egypt, and Mac and Linux Versions Revealed (published: September 25, 2020) Security Researchers from Amnesty International have identified new variants of FinSpy, spyware that can access private data and record audio/video. While used as a law enforcement tool, authoritarian governments have been using FinSpy to spy on activists and dissidents. Spreading through fake Flash Player updates, the malware is installed as root with use of exploits, and persistence is gained by creating a logind.pslist file. Once a system is infected with the malware, it has the ability to run shell scripts, record audio, keylogging, view network information, and list files. Samples have been found of FinSpy for macOS, Windows, Android, and Linux. Recommendation: Defense-in-depth (layering of security mechanisms, redundancy, fail-safe defense processes) is the best way to ensure safety from threat actors, 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] Logon Scripts - T1037 | [MITRE ATT&CK] Standard Application Layer Protocol - T1071 Tags: Amnesty, Android, Backdoor, Linux, macOS, FinSpy, Spyware Magento Credit Card Stealing Malware: gstaticapi (published: September 25, 2020) Security researchers, at Sucuri, have identified a malicious script, dubbed “gstaticapi,” that is designed to steal payment information from Magento-based websites. The script first attempts to find the “checkout” string in a web browser URL and, if found, will create an element to the web pages header. This allows the JavaScript to handle external code-loading capabilities that are used to process the theft of billing and payment card information. Recommendation: Sometimes webmasters discover that one of their sites has been compromised months after the initial infection. Websites, much like personal workstations, require constant maintenance and upkeep in order to adapt to the latest threats. In addition to keeping server software up to date, it is critical that all external-facing assets are monitored and scanned for vulnerabilities. The ability to easily restore from backup, incident response planning, and customer communication channels should all be established before a breach occurs. MITRE ATT&CK: [MITRE ATT&CK] Command-Line Interface - T1059 | [MITRE ATT&CK] Input Capture - T1056 | [MITRE ATT&CK] Data Encoding - T1132 T Data Breach Malware Vulnerability Threat APT 19 ★★★★★
Last update at: 2024-07-01 08:08:13
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