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Dissecting Sodinokibi Ransomware Attacks: Bringing Incident Response and Intelligence Together in the Fight

Category Details
Threat Actors Sodinokibi (REvil), QakBot operators, Valak operators, Ransomware affiliates
Campaign Overview Ransomware actors specialize in phishing-based initial access (e.g., QakBot, Valak), followed by data exfiltration and ransomware deployment to extort victims. Collaboration among threat actors enhances their operations.
Target Regions (Victims) Enterprises with valuable data (e.g., financial, IP, healthcare, HR, and backup data) across multiple industries.
Methodology Phishing emails with malicious Office documents (Excel, Word); use of tools like QakBot, Valak, Cobalt Strike, Rclone, and plink.exe for reconnaissance, lateral movement, and data exfiltration.
Product Targeted Systems with Microsoft Office, Active Directory, and critical internal file shares.
Malware Reference QakBot, Valak, Sodinokibi ransomware
Tools Used Cobalt Strike, NetSupport Manager, Mimikatz, Rclone, MegaSync, MegaCmd, WinSCP, AdFind, nltest, plink.exe, ngrok.exe
Vulnerabilities Exploited Use of phishing techniques and credential harvesting to bypass protections; exploitation of tools inherent to systems (e.g., SMB protocol, RDP tunneling).
TTPs Double extortion, phishing campaigns, lateral movement (e.g., PowerShell payloads, SCM, and admin shares), credential harvesting, RDP tunneling, and GPO misuse for ransomware deployment.
Attribution Eastern European cybercrime origin; collaboration among ransomware groups like Egregor, Clop, Ryuk, DoppelPaymer.
Recommendations Implement EDR, LAPS, SMB hardening, MFA, PAM, internal network segmentation, vulnerability management, and restrict admin privileges.
Source Security Intelligence 

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Disclaimer: The above summary has been generated by an AI language model.

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