Credential Dumping via Reg Save of SAM Hive

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-09-13
Updated
2026-09-13

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 HKLM SAM registry hive to disk, an offline credential extraction step observed in Operation Soft Cell. Exporting the SAM hive lets attackers crack local account hashes away from the endpoint.

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Suspicious Registry Hive Export of SAM and SECURITY for Credential Theft after FortiClient EMS Exploitation
Malicious Registry Hive Dump via reg save
Malicious SAM and SYSTEM Registry Hive Credential Dump via reg.exe (via process_creation)
Malicious Registry Hive Theft from Shadow Copy via Print LOLBIN
Malicious Volume Shadow Copy Access via Mklink to GLOBALROOT
Credential Dumping via Reg Save of SAM Hive
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.