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Potential LSASS Clone Creation via PssCaptureSnapShot

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Potential LSASS Clone Creation via PssCaptureSnapShot

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Identifies the creation of an LSASS process clone via PssCaptureSnapShot where the parent process is the initial LSASS process instance. This may indicate an attempt to evade detection and dump LSASS memory for credential access.

Rule type: eql

Rule indices:

winlogbeat-*
logs-windows.*

Severity: high

Risk score: 73

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Host
Windows
Threat Detection
Credential Access
Sysmon Only

Version: 101 (version history)

Added (Elastic Stack release): 8.0.0

Last modified (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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process where event.code:"4688" and process.executable :
"?:\\Windows\\System32\\lsass.exe" and process.parent.executable :
"?:\\Windows\\System32\\lsass.exe"

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
Technique:
- Name: OS Credential Dumping
- ID: T1003
- Reference URL: https://attack.mitre.org/techniques/T1003/

Rule version history

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Version 101 (8.6.0 release)

Formatting only

Version 100 (8.5.0 release)

Formatting only

Version 4 (8.4.0 release)

Formatting only

Version 2 (8.2.0 release)

Formatting only

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