Potential LSASS Memory Dump via PssCaptureSnapShot

Last updated a day ago on 2024-10-28
Created 3 years ago on 2021-10-14

About

Identifies suspicious access to an LSASS handle via PssCaptureSnapShot where two successive process accesses are performed by the same process and target two different instances of LSASS. This may indicate an attempt to evade detection and dump LSASS memory for credential access.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Credential AccessData Source: Sysmon
Severity
high
Risk Score
73
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Threshold Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
winlogbeat-*logs-windows.sysmon_operational-*
Related Integrations

windows(opens in a new tab or window)

Query
event.category:process and host.os.type:windows and event.code:10 and
 winlog.event_data.TargetImage:("C:\\Windows\\system32\\lsass.exe" or
                                 "c:\\Windows\\system32\\lsass.exe" or
                                 "c:\\Windows\\System32\\lsass.exe")

Install detection rules in Elastic Security

Detect Potential LSASS Memory Dump via PssCaptureSnapShot in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).