ALT-2426 · EDR
LSASS memory access by unsigned binary
An unsigned binary in C:\Users\Public opened a handle to lsass.exe with PROCESS_VM_READ.
Detection summary
An unsigned binary in C:\Users\Public opened a handle to lsass.exe with PROCESS_VM_READ.
- Affected host
- LNX-BUILD-07
- Affected user
- svc_backup
- Source IP
- 10.20.32.215
- Detection rule
- DET-0203 Credential Dumping via Process Access
- Log source
- EDR
- Assignee
- S. Hartono
Recommended actions
- Isolate host and capture memory image
- Invalidate all Kerberos tickets on the host
- Hunt for the same hash across the estate
Analyst decision
Triage checklist
- 1. Confirm the detection logic matched genuine activity.
- 2. Check user and asset context for expected behaviour.
- 3. Pivot on host, user, IP and hash in the Log Explorer.
- 4. Enrich IOCs with threat intelligence.
- 5. Set a verdict and record your reasoning.
Learn this capability
Hands-on labs that build the technique behind this workspace. Skills transfer to any mainstream SIEM.
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