Suspicious Run Key Persistence Pointing to Test Executable via Registry Set

PremiumReviewedSigma · Medium · v1
Product
windows
Category
registry_set
Author
HuntRule
Published
2026-09-19
Updated
2026-09-19

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 a CurrentVersion Run key being set to launch an executable dropped inside a Test subdirectory which is the autostart persistence used by the BLOODALCHEMY backdoor. A run key value referencing this staging path indicates malware establishing boot persistence.

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Suspicious Run Key Persistence Pointing to Test Executable via Registry Set
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.