The recent Fog ransomware attack utilized legitimate and open-source tools typically linked to espionage, indicating a possible cyber-espionage motive. The attack targeted a financial institution in Asia and involved advanced lateral movement and data exfiltration techniques. #FogRansomware #APT41 #Syteca #GC2 #Stowaway
Keypoints
- The attack in May 2025 exploited legitimate tools like Syteca and open-source utilities such as GC2, Adaptix, and Stowaway.
- Attackers infected two Exchange servers and maintained persistence before deploying ransomware.
- Tools like GC2 and Stowaway were used for command execution, lateral movement, and data exfiltration.
- The operation’s techniques suggest possible espionage motives rather than solely financial gain.
- Similar tools have been linked to Chinese state-sponsored threat actors like APT41 in past attacks.
Read More: https://www.securityweek.com/fog-ransomware-attack-employs-unusual-tools/
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