Delete Volume USN Journal with Fsutiledit

Identifies use of the fsutil.exe to delete the USNJRNL volume. This technique is used by attackers to eliminate evidence of files created during post-exploitation activities.

Rule indices:

  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

Tags:

  • Elastic
  • Windows

Rule version: 1

Added (Elastic Stack release): 7.6.0

Rule queryedit

event.action:"Process Create (rule: ProcessCreate)" and
process.name:"fsutil.exe" and process.args:("usn" and
"deletejournal")

Threat mappingedit

Framework: MITRE ATT&CKTM