Malicious EastWind Persistence via schtasks DRMserver Task

ATT&CK techniques

Execution → Priv Esc

Recon
Resource Dev
Initial Access
Execution
- T1053.005Scheduled Task
Persistence
- T1053.005Scheduled Task
Priv Esc
- T1053.005Scheduled Task
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of a scheduled task named DRMserver that launches WinDRMs.exe at system start with SYSTEM privileges. This behavior is used by the EastWind campaign deploying CloudSorcerer and related implants against Russian government organizations. Establishing a boot-persistent SYSTEM task lets the attacker maintain durable, high-privilege footholds which makes early detection important.

Reporting behind it

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Malicious EastWind Persistence via schtasks DRMserver Task

Pivot detection · T1053.005 · 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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