2021-08-17 01:37:37 +02:00
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---
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Name: fsutil.exe
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Description: File System Utility
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Author: 'Elliot Killick'
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Created: '2021-08-16'
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Commands:
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2022-09-17 14:09:27 +02:00
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- Command: fsutil.exe file setZeroData offset=0 length=9999999999 C:\Windows\Temp\payload.dll
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2021-08-17 01:37:37 +02:00
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Description: Zero out a file
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Usecase: Can be used to forensically erase a file
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2022-09-17 13:55:16 +02:00
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Category: Tamper
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2021-08-17 01:37:37 +02:00
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Privileges: User
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MitreID: T1485
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OperatingSystem: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10
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2022-09-17 14:09:27 +02:00
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- Command: 'fsutil.exe usn deletejournal /d c:'
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2022-09-17 14:01:53 +02:00
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Description: Delete the USN journal volume to hide file creation activity
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Usecase: Can be used to hide file creation activity
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Category: Tamper
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Privileges: User
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MitreID: T1485
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OperatingSystem: Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10
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2021-08-17 01:37:37 +02:00
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Full_Path:
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- Path: C:\Windows\System32\fsutil.exe
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- Path: C:\Windows\SysWOW64\fsutil.exe
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Detection:
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- IOC: fsutil.exe should not be run on a normal workstation
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- IOC: file setZeroData (not case-sensitive) in the process arguments
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2022-10-26 10:10:39 +02:00
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- Sigma: https://github.com/SigmaHQ/sigma/blob/ff5102832031425f6eed011dd3a2e62653008c94/rules/windows/process_creation/proc_creation_win_susp_fsutil_usage.yml
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2021-08-17 01:37:37 +02:00
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Acknowledgement:
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- Person: Elliot Killick
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Handle: '@elliotkillick'
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2022-09-17 14:01:53 +02:00
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- Person: Jimmy
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Handle: '@bohops'
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