Malicious LSASS Memory Dump via procdump

PremiumReviewedSigma · High · v1
Category
process_creation
Author
HuntRule
Published
2026-09-18
Updated
2026-09-18

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 procdump being run against the lsass.exe process to capture a full memory dump, from which credentials can be extracted offline with tools such as mimikatz. This is one of the most common OS credential-dumping techniques.

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Suspicious Physical Memory Acquisition via WinPmem (via process_creation)
Malicious LSASS Credential Dump via Rundll32 Comsvcs MiniDump via Process Creation (via process_creation)
Suspicious LSASS Credential Access via PowerShell (via process_creation)
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Malicious LSASS Memory Dump via procdump
Pivot detection · T1003.001 · 9 related

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