Malicious SAM and SYSTEM Registry Hive Credential Dump via reg.exe (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-10-03
Updated
2026-10-03

ATT&CK techniques

Cred Access
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects reg.exe saving the SAM, SYSTEM or SECURITY registry hives to disk. The BadPilot campaign exports these hives to extract local account password hashes offline, so a reg save targeting credential hives is a high-confidence credential access indicator.

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Suspicious Credential Dump via Registry Hive Save
Malicious Credential Hive Dump via Reg Save
Credential Dumping via Reg Save of SAM Hive
Malicious Registry Hive Dump via reg save
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Malicious SAM and SYSTEM Registry Hive Credential Dump via reg.exe (via process_creation)
Pivot detection · T1003.002 · 9 related

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