SigmaHQ/rules/windows/sysmon/sysmon_lsass_memdump.yml

title: LSASS Memory Dump
id: 5ef9853e-4d0e-4a70-846f-a9ca37d876da
status: experimental
description: Detects process LSASS memory dump using procdump or taskmgr based on the CallTrace pointing to dbghelp.dll or dbgcore.dll for win10
author: Samir Bousseaden
date: 2019/04/03
references:
    - https://blog.menasec.net/2019/02/threat-hunting-21-procdump-or-taskmgr.html
tags:
    - attack.t1003
    - attack.s0002
    - attack.credential_access
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 10
        TargetImage: 'C:\windows\system32\lsass.exe'
        GrantedAccess: '0x1fffff'
        CallTrace:
         - '*dbghelp.dll*'
         - '*dbgcore.dll*'
    condition: selection
falsepositives:
    - unknown
level: high