Untrusted Makop Ransomware Vulnerable Driver hlpdrv Drop for EDR Kill (via file_event)

ATT&CK techniques

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

What it detects

This rule detects the Makop intrusion set dropping the hlpdrv vulnerable driver used to terminate endpoint protection at the kernel level before encryption. Adversaries deploy this abusable driver to disable defenses through bring-your-own-vulnerable-driver. Appearance of this specific driver filename on disk indicates staging for defense evasion.

Reporting behind it

Related detections9 linkedT1685 — drag to rearrange

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Untrusted Makop Ransomware Vulnerable Driver hlpdrv Drop for EDR Kill (via file_event)

Pivot detection · T1685 · 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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