Ss-bet-001_s.7z May 2026

The actor uses the 7z.exe utility to compress and password-protect stolen data before exfiltrating it from the victim's network.

According to a joint cybersecurity advisory by the Cybersecurity and Infrastructure Security Agency (CISA) , this file is used by threat actors as part of "living off the land" (LotL) techniques. These techniques involve using legitimate system tools and files to blend in with normal network activity and avoid detection by security software. Key Characteristics SS-Bet-001_s.7z

Restrict the use of administrator accounts and audit any use of built-in Windows tools for non-administrative tasks. The actor uses the 7z

This and similar files are frequently found in "staging" directories such as: C:\Windows\Temp\ C:\Users\Public\ C:\Perflogs\ . Forensic Indicators SS-Bet-001_s.7z

Forward Windows Event Logs to a hardened, segmented server to prevent actors from clearing their tracks.