Florian Roth
26 lines
922 B
YAML
26 lines
922 B
YAML
title: WerFault Accassing LSASS
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id: e5b33f7d-eb93-48b6-9851-09e1e610b6d7
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status: experimental
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description: Detects process LSASS memory dump using Mimikatz, NanoDump, Invoke-Mimikatz, Procdump or Taskmgr based on the CallTrace pointing to ntdll.dll, dbghelp.dll or dbgcore.dll for win10, server2016 and up.
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author: Florian Roth
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date: 2012/06/27
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references:
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- https://github.com/helpsystems/nanodump/commit/578116faea3d278d53d70ea932e2bbfe42569507
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tags:
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- attack.credential_access
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- attack.t1003.001
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- attack.s0002
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logsource:
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category: process_access
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product: windows
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detection:
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selection:
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SourceImage|endswith: '\WerFault.exe'
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TargetImage|endswith: '\lsass.exe'
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GrantedAccess: '0x1FFFFF'
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condition: selection
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falsepositives:
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- Actual failures in lsass.exe that trigger a crash dump (unlikely)
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- Unknown cases in which WerFault accesses lsass.exe
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level: high
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