Malicious BlackByte Ransomware Host Marker via Control Panel Registry

ATT&CK techniques

Persistence → Defense Evasion

Recon
Resource Dev
Initial Access
Execution
Persistence
- T1112Modify Registry
Priv Esc
Defense Evasion
- T1112Modify Registry
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects the international control panel values s1159 and s2359 being set to BLACKBYTE, a distinctive host-marking artifact created by BlackByte ransomware. BlackByte writes this value to tag infected systems.

Reporting behind it

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Malicious BlackByte Ransomware Host Marker via Control Panel Registry

Pivot detection · T1112 · 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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