Malicious Mamona Ransomware Note and Encrypted File Extension

ATT&CK techniques

Impact

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
- T1486Data Encrypted for Impact

What it detects

This rule detects creation of the Mamona ransomware note README.HAes.txt or files bearing the .HAes encrypted extension. These artifacts are written recursively across directories once Mamona completes its offline encryption.

Reporting behind it

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Malicious Mamona Ransomware Note and Encrypted File Extension

Pivot detection · T1486 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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