Suspicious AutoAdminLogon Enabled via Winlogon Registry by RansomHub Ransomware

PremiumReviewedSigma · Medium · v1
Product
windows
Category
registry_set
Author
HuntRule
Published
2026-09-08
Updated
2026-09-08

ATT&CK techniques

Persistence → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the Winlogon AutoAdminLogon value being enabled, configuring automatic logon of an account without credentials. RansomHub sets this value to maintain access and ensure its payload runs after reboot.

Related detections9 linkedT1547.001 — drag to rearrange
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Suspicious RunOnce Persistence Pointing to User AppData
Malicious FalseFont Backdoor Run Key Persistence from AppData (via registry_set)
Malicious Registry Run Key Persistence via AHealthDB by Stately Taurus
Suspicious AutoAdminLogon Enabled via Winlogon Registry by RansomHub Ransomware
Pivot detection · T1547.001 · 9 related

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