LOLBAS/yml/OSBinaries/fsutil.yml

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YAML

---
Name: fsutil.exe
Description: File System Utility
Author: 'Elliot Killick'
Created: '2021-08-16'
Commands:
- Command: fsutil.exe file setZeroData offset=0 length=9999999999 C:\Windows\Temp\payload.dll
Description: Zero out a file
Usecase: Can be used to forensically erase a file
Category: Tamper
Privileges: User
MitreID: T1485
OperatingSystem: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10
- Command: 'fsutil.exe usn deletejournal /d c:'
Description: Delete the USN journal volume to hide file creation activity
Usecase: Can be used to hide file creation activity
Category: Tamper
Privileges: User
MitreID: T1485
OperatingSystem: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10
Full_Path:
- Path: C:\Windows\System32\fsutil.exe
- Path: C:\Windows\SysWOW64\fsutil.exe
Detection:
- IOC: fsutil.exe should not be run on a normal workstation
- IOC: file setZeroData (not case-sensitive) in the process arguments
Acknowledgement:
- Person: Elliot Killick
Handle: '@elliotkillick'
- Person: Jimmy
Handle: '@bohops'