ComputerDefaults.exe

File Path: C:\Windows\system32\ComputerDefaults.exe
Description: Set Program Access and Computer Defaults Control Panel

Screenshot

Hashes

Type	Hash
MD5	`3F032A1BDF4D7DF2F43FE7C0410AC175`
SHA1	`1D9CFDB4C324543CC3231029913D735D6EE27C70`
SHA256	`4978AD7650C44D4239ED6B77267DD21D50D33BBD3D875ACE4131F2DED3A11804`
SHA384	`7C564FD80D41AEA6A7BAB82152322511CC0EB782BDC64739A9871E94FDD5393E2EBC09F56032FEC0AF3B0EDC0B6E9A95`
SHA512	`C281C1009D2CF7CC41E45B39E3EFBBAD3AED091A21FAC30EE369281BAF4C0D9AC190B321E9BE891092BCE7FC2DDEC2195F67A5B6E70CA680BE4F9205090130A4`
SSDEEP	`1536:gS1tjONtCc7jFGPURDoq4OZZZLlCIibk:7HOocRD68wbk`

Signature

Status: Signature verified.
Serial: 33000000BCE120FDD27CC8EE930000000000BC
Thumbprint: E85459B23C232DB3CB94C7A56D47678F58E8E51E
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: ComputerDefaults.EXE.MUI
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.14393.0 (rs1_release.160715-1616)
Product Version: 10.0.14393.0
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File	Score
C:\WINDOWS\system32\ComputerDefaults.exe	54
C:\WINDOWS\system32\ComputerDefaults.exe	60
C:\Windows\system32\ComputerDefaults.exe	52
C:\windows\system32\ComputerDefaults.exe	66
C:\Windows\system32\ComputerDefaults.exe	50
C:\Windows\system32\xwizard.exe	52
C:\windows\system32\xwizard.exe	54
C:\Windows\system32\xwizard.exe	46
C:\WINDOWS\system32\xwizard.exe	50
C:\WINDOWS\system32\xwizard.exe	47
C:\Windows\system32\xwizard.exe	47
C:\windows\SysWOW64\ComputerDefaults.exe	65
C:\WINDOWS\SysWOW64\ComputerDefaults.exe	54
C:\Windows\SysWOW64\ComputerDefaults.exe	66
C:\WINDOWS\SysWOW64\ComputerDefaults.exe	35
C:\Windows\SysWOW64\ComputerDefaults.exe	50
C:\Windows\SysWOW64\ComputerDefaults.exe	50
C:\WINDOWS\SysWOW64\xwizard.exe	55
C:\Windows\SysWOW64\xwizard.exe	57
C:\Windows\SysWOW64\xwizard.exe	52
C:\windows\SysWOW64\xwizard.exe	54
C:\Windows\SysWOW64\xwizard.exe	50
C:\WINDOWS\SysWOW64\xwizard.exe	54

Possible Misuse

The following table contains possible examples of ComputerDefaults.exe being misused. While ComputerDefaults.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_uac_bypass_computerdefaults.yml	`title: UAC Bypass Using ComputerDefaults`	DRL 1.0
sigma	proc_creation_win_uac_bypass_computerdefaults.yml	`description: Detects the pattern of UAC Bypass using computerdefaults.exe (UACMe 59)`	DRL 1.0
sigma	proc_creation_win_uac_bypass_computerdefaults.yml	`Image: 'C:\Windows\System32\ComputerDefaults.exe'`	DRL 1.0
sigma	registry_event_shell_open_keys_manipulation.yml	`description: Detects the shell open key manipulation (exefile and ms-settings) used for persistence and the pattern of UAC Bypass using fodhelper.exe, computerdefaults.exe, slui.exe via registry keys (e.g. UACMe 33 or 62)`	DRL 1.0
atomic-red-team	index.md	- Atomic Test #5: Bypass UAC using ComputerDefaults (PowerShell) [windows]	MIT License. © 2018 Red Canary
atomic-red-team	windows-index.md	- Atomic Test #5: Bypass UAC using ComputerDefaults (PowerShell) [windows]	MIT License. © 2018 Red Canary
atomic-red-team	T1548.002.md	- Atomic Test #5 - Bypass UAC using ComputerDefaults (PowerShell)	MIT License. © 2018 Red Canary
atomic-red-team	T1548.002.md	## Atomic Test #5 - Bypass UAC using ComputerDefaults (PowerShell)	MIT License. © 2018 Red Canary
atomic-red-team	T1548.002.md	PowerShell code to bypass User Account Control using ComputerDefaults.exe on Windows 10	MIT License. © 2018 Red Canary
atomic-red-team	T1548.002.md	Start-Process “C:\Windows\System32\ComputerDefaults.exe”	MIT License. © 2018 Red Canary