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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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2024-06-12 14:00:00 | Aperçu sur les cyber-menaces ciblant les utilisateurs et les entreprises au Brésil Insights on Cyber Threats Targeting Users and Enterprises in Brazil (lien direct) |
Written by: Kristen Dennesen, Luke McNamara, Dmitrij Lenz, Adam Weidemann, Aline Bueno
Individuals and organizations in Brazil face a unique cyber threat landscape because it is a complex interplay of global and local threats, posing significant risks to individuals, organizations, and critical sectors of Brazilian society. Many of the cyber espionage threat actors that are prolific in campaigns across the globe are also active in carrying out attempted intrusions into critical sectors of Brazilian society. Brazil also faces threats posed by the worldwide increase in multifaceted extortion, as ransomware and data theft continue to rise. At the same time, the threat landscape in Brazil is shaped by a domestic cybercriminal market, where threat actors coordinate to carry out account takeovers, conduct carding and fraud, deploy banking malware and facilitate other cyber threats targeting Brazilians. The rise of the Global South, with Brazil at the forefront, marks a significant shift in the geopolitical landscape; one that extends into the cyber realm. As Brazil\'s influence grows, so does its digital footprint, making it an increasingly attractive target for cyber threats originating from both global and domestic actors. This blog post brings together Google\'s collective understanding of the Brazilian threat landscape, combining insights from Google\'s Threat Analysis Group (TAG) and Mandiant\'s frontline intelligence. As Brazil\'s economic and geopolitical role in global affairs continues to rise, threat actors from an array of motivations will further seek opportunities to exploit the digital infrastructure that Brazilians rely upon across all aspects of society. By sharing our global perspective, we hope to enable greater resiliency in mitigating these threats. Google uses the results of our research to improve the safety and security of our products, making them secure by default. Chrome OS has built-in and proactive security to protect from ransomware, and there have been no reported ransomware attacks ever on any business, education, or consumer Chrome OS device. Google security teams continuously monitor for new threat activity, and all identified websites and domains are added to Safe Browsing to protect users from further exploitation. We deploy and constantly update Android detections to protect users\' devices and prevent malicious actors from publishing malware to the Google Play Store. We send targeted Gmail and Workspace users government-backed attacker alerts, notifying them of the activity and encouraging potential targets to enable Enhanced Safe Browsing for Chrome and ensure that all devices are updated. Cyber Espionage Operations Targeting Brazil Brazil\'s status as a globally influential power and the largest economy in South America have drawn attention from c |
Ransomware Spam Malware Tool Vulnerability Threat Mobile Medical Cloud Technical | APT 28 | ★★ |
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