Description Summary
Beast is a Ransomware-as-a-service (RaaS) product which provides functionality such as SMB scanning, file encryption, service and process starting and stopping, and geographic identification to avoid encryption in CIS countries.
Threat Actor
Operator/affiliate cluster behind the Beast leak site. Detailed actor attribution is not available in curated public reporting.
Technical Indicators
Encryption Extension
Not publicly reported
Encryption Algorithm
Not publicly reported
Ransom Note Name
Not publicly reported
Targeted Industries
Cross-sector (per leak-site victim telemetry)
First Seen
Unknown
Last Seen
No public victim disclosures observed
Geographical Location
Global / not publicly profiled
MITRE ATT&CK Matrix
| Tactic | TTP | Technique Name |
|---|---|---|
| Impact x 2 | T1486 | Data Encrypted for Impact |
| T1490 | Inhibit System Recovery | |
| Exfiltration x 1 | T1567 | Exfiltration Over Web Service (leak site) |
| Initial Access x 2 | T1190 | Exploit Public-Facing Application |
| T1078 | Valid Accounts |