HighSigmaHQ Florian Roth (Nextron Systems)

Credential Dumping Attempt Via WerFault

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.

Detection logic

Detection requirements

Platform: Windows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: windows
Log source category: process_access

Known benign triggers

Actual failures in lsass.exe that trigger a crash dump (unlikely)
Unknown cases in which WerFault accesses lsass.exe

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
github.com/helpsystems/nanodump/commit/578116faea3d278d53d70ea932e2bbfe42569507	Tool	Only this detection cites it

Detection rules

Credential Dumping Attempt Via WerFault

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules