Confirmation has been made that the ransomware payload incorporated in the identified samples is indeed FOG ransomware and is identified as Ransom.Win32.FOG.SMYPEFG. All variations found contain the same payload, differing only in the decryption key utilized.
Summary and Recommendations for Security
Enterprises need to keep a vigilant eye on FOG ransomware, a recent addition to the ransomware lineup. Whether the FOG ransomware samples we examined were launched by the original operators for fun using DOGE mentions or by other parties including FOG ransomware in their executables for impersonation, the repercussions of a successful ransomware assault could lead to potential financial losses and operational disturbances for enterprises.
Stay ahead of ransomware dangers by monitoring Indicators of Compromise (IoCs) as a component of a proactive cybersecurity strategy. This method aids in the early identification of threats, boosts security measures, supports forensic audits, efficiently disrupts cybercriminal activities. Following IoCs provides valuable insights into attack techniques for researchers, assisting in the development of more potent threat prevention tactics. Security Operation Centers (SOCs) should make use of tools that enhance and automate these functions.
Companies can also enforce the following security best practices:
- Maintain current and secure backups of all crucial data. Regularly test recovery procedures to ensure swift data retrieval in case of an attack.
- Implement network segmentation to restrict ransomware spread within your organization. By isolating critical systems and sensitive data, extensive damage can be averted.
- Regularly update and patch application software, operating systems, and other software to close vulnerabilities exploitable by attackers.
- Organize regular training sessions for staff to identify phishing attempts and suspicious links.
Staying Proactive with Trend Vision One™
Trend Vision One™ is the sole AI-driven enterprise cybersecurity platform that consolidates cyber risk exposure management, security operations, and robust layered protection. This holistic strategy enables the prediction and prevention of threats, hastening proactive security results throughout your entire digital assets. Supported by years of cybersecurity expertise and Trend Cybertron, the initial proactive cybersecurity AI in the industry, it delivers proven accomplishments: a 92% reduction in ransomware risk and a 99% decrease in detection duration. Security executives can assess their position and display continuous enhancement to stakeholders. With Trend Vision One, you gain the ability to remove security blind spots, direct attention to key priorities, and raise security to a strategic ally for innovation.
Trend Vision One Threat Intelligence
To outpace evolving threats, Trend Vision One clients can explore an array of Intelligence Reports and Threat Insights. Threat Insights facilitate staying ahead of cyber threats prior to occurrence and enable preparation for forthcoming threats by offering thorough details on threat actors, their malevolent deeds, and methodologies. By leveraging this intelligence, clients can proactively safeguard their environments, minimize risks, and proficiently counteract threats.
Trend Vision One Intelligence Reports App [IOC Sweeping]
Fog Ransomware Hidden Inside ‘Trolling DOGE’ Binary Loader
Trend Vision One Threat Insights App
Emerging Threats: Fog Ransomware Concelaed Within Trolling DOGE Binary Loader
Hunting Queries
Trend Vision One customers have the freedom to utilize the Search App to match or track the malicious indicators mentioned in this article within their data environment.
eventSubId: 101 AND objectFilePath: RANSOMNOTE.txt
Encrypted File Activity Detected (*.flocked)
eventSubId: 109 AND objectFilePath: /.flocked$/
Ransomware Note Placed in System Directories (readme.txt)
eventSubId: 101 AND objectFilePath: /Users(Defaullt|Public).*readme.txt/
Trend Vision One clients with Threat Insights Entitlement enabled can access more hunting queries.
Indicators of Compromise (IoC)
Fetch the IoC list here.
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