Usn Journal Deletion

Description

The fsutil.exe application is a legitimate Windows utility used to perform tasks related to the file allocation table (FAT) and NTFS file systems. The update sequence number (USN) change journal provides a log of all changes made to the files on the disk. This search looks for fsutil.exe deleting the USN journal.

Content Mapping

This content is not mapped to any local saved search. Add mapping


Use Case

Security Monitoring

Category

Ransomware

Alert Volume

The fsutil.exe application is a legitimate Windows utility used to perform tasks related to the file allocation table (FAT) and NTFS file systems. The update sequence number (USN) change journal provides a log of all changes made to the files on the disk. This search looks for fsutil.exe deleting the USN journal.

SPL Difficulty

None

Journey

Stage 3

MITRE ATT&CK Tactics

Defense Evasion

MITRE ATT&CK Techniques

Indicator Removal on Host

Indicator Removal on Host

Kill Chain Phases

Actions On Objectives

Data Sources

Endpoint Detection and Response

   Help

Usn Journal Deletion Help

You must be ingesting data that records process activity from your hosts to populate the Endpoint data model in the Processes node. You must also be ingesting logs with both the process name and command line from your endpoints. The command-line arguments are mapped to the "process" field in the Endpoint data model.

   Search

Open in Search