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Detect Credential Dumping Through LSASS Access

Description

This search looks for reading lsass memory consistent with credential dumping.

Content Mapping

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Use Case

Advanced Threat Detection

Category

Adversary Tactics,

Alert Volume

This search looks for reading lsass memory consistent with credential dumping.

SPL Difficulty

None

Journey

Stage 3

MITRE ATT&CK Tactics

Credential Access

MITRE ATT&CK Techniques

OS Credential Dumping

LSASS Memory

MITRE Threat Groups

APT1
APT28
APT3
APT32
APT33
APT39
APT41
BRONZE BUTLER
Blue Mockingbird
Cleaver
FIN6
FIN8
Ke3chang
Lazarus Group
Leafminer
Leviathan
Magic Hound
MuddyWater
OilRig
PLATINUM
Sandworm Team
Silence
Soft Cell
Stolen Pencil
TEMP.Veles
Threat Group-3390
Whitefly

Kill Chain Phases

Actions On Objectives

Data Sources

Endpoint Detection and Response

   Help

Detect Credential Dumping Through LSASS Access Help

This search needs Sysmon Logs and a sysmon configuration, which includes EventCode 10 with lsass.exe. This search uses an input macro named sysmon. We strongly recommend that you specify your environment-specific configurations (index, source, sourcetype, etc.) for Windows Sysmon logs. Replace the macro definition with configurations for your Splunk environment. The search also uses a post-filter macro designed to filter out known false positives.

   Search

`sysmon` EventCode=10 TargetImage=*lsass.exe (GrantedAccess=0x1010 OR GrantedAccess=0x1410) | stats count min(_time) as firstTime max(_time) as lastTime by Computer, SourceImage, SourceProcessId, TargetImage, TargetProcessId, EventCode, GrantedAccess | rename Computer as dest | `security_content_ctime(firstTime)`| `security_content_ctime(lastTime)` | `detect_credential_dumping_through_lsass_access_filter`
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