Malicious LSASS Memory Dump via comsvcs.dll by Salt Typhoon

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1003.001LSASS Memory
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects rundll32 executing comsvcs.dll against the LSASS process to extract credentials from memory, a technique used by Salt Typhoon. Dumping LSASS provides hashed or plaintext credentials for lateral movement.

Reporting behind it

Related detections9 linkedT1003.001 — drag to rearrange

Malicious LSASS Credential Dump via ProcDump (via process_creation)

Malicious LSASS Dump via Process Access (via process_access)

Malicious LSASS Credential Dump with LSASSY - Process (via process_creation)

Malicious LSASS Credential Dump with LSASSY - Admin Share (via security)

Malicious Task Manager Used for LSASS Dump - Kernel (via security)

Suspicious LSASS Credential Dump with LSASSY - PowerShell (via powershell)

Malicious LSASS Credential Dump with LSASSY - Kernel Access (via security)

Malicious LSASS Memory Access From a Non-System Process (via process_access)

Renamed Mimikatz Credential Theft Command Indicators (via process_creation)

Malicious LSASS Memory Dump via comsvcs.dll by Salt Typhoon

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.

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