sethc.exe

File Path: C:\Windows\SysWOW64\sethc.exe
Description: Accessibility shortcut keys

Hashes

Type	Hash
MD5	`79B368594321417E6BF79FB308DD9DF3`
SHA1	`5AA90CC89A95C8532117B9FA857C9BAAC88ABB5C`
SHA256	`D4BB52D9E13A5B26CBCD96F5CE78005FF28B4ECA91E6EC3B86ED31D51AD1472F`
SHA384	`C8449CD7A231175A1F7688426490816BB13277A7AFBADD687B86221A6B1DA1D1DDF30FB0E72A60E050EE158EE77C237D`
SHA512	`F661752CB2D877B04AC0452FBC11674A32DEFDF87CCE051132CF9BECA65549993B78CDD17D5D1D073101D7AA0DE23E7B51EC3322FF5EEBCBA8039B1529690ABD`
SSDEEP	`1536:4wCLVHHq2YZSd6IbKIgKd+aKx5Ba9g1qzWO0vmTZB1+hKW/Gz4BgXo:4nq+6ImIrIJHisA4Bg`

Signature

Status: Signature verified.
Serial: 330000023241FB59996DCC4DFF000000000232
Thumbprint: FF82BC38E1DA5E596DF374C53E3617F7EDA36B06
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: sethc.exe
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.19041.1 (WinBuild.160101.0800)
Product Version: 10.0.19041.1
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File	Score
C:\Windows\SysWOW64\EaseOfAccessDialog.exe	44
C:\Windows\SysWOW64\EaseOfAccessDialog.exe	43
C:\Windows\SysWOW64\EaseOfAccessDialog.exe	46
C:\WINDOWS\SysWOW64\EaseOfAccessDialog.exe	44
C:\WINDOWS\SysWOW64\sethc.exe	50
C:\Windows\SysWOW64\sethc.exe	49

Possible Misuse

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

Source	Source File	Example	License
sigma	proc_creation_win_install_reg_debugger_backdoor.yml	`- 'sethc.exe'`	DRL 1.0
sigma	proc_creation_win_stickykey_like_backdoor.yml	`- 'sethc.exe'`	DRL 1.0
sigma	proc_creation_win_sticky_keys_unauthenticated_privileged_cmd_access.yml	`CommandLine: 'copy /y C:\windows\system32\cmd.exe C:\windows\system32\sethc.exe'`	DRL 1.0
sigma	registry_event_stickykey_like_backdoor.yml	`- '\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe\Debugger'`	DRL 1.0
atomic-red-team	T1546.008.md	Two common accessibility programs are `C:\Windows\System32\sethc.exe`, launched when the shift key is pressed five times and `C:\Windows\System32\utilman.exe`, launched when the Windows + U key combination is pressed. The sethc.exe program is often referred to as “sticky keys”, and has been used by adversaries for unauthenticated access through a remote desktop login screen. (Citation: FireEye Hikit Rootkit)	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	\| parent_list \| Comma separated list of system binaries to which you want to attach each #{attached_process}. Default: “osk.exe” \| String \| osk.exe, sethc.exe, utilman.exe, magnify.exe, narrator.exe, DisplaySwitch.exe, atbroker.exe\|	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	Replace sticky keys binary (sethc.exe) with cmd.exe	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	copy C:\Windows\System32\sethc.exe C:\Windows\System32\sethc_backup.exe	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	takeown /F C:\Windows\System32\sethc.exe /A	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	icacls C:\Windows\System32\sethc.exe /grant Administrators:F /t	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	copy /Y C:\Windows\System32\cmd.exe C:\Windows\System32\sethc.exe	MIT License. © 2018 Red Canary
atomic-red-team	T1546.008.md	copy /Y C:\Windows\System32\sethc_backup.exe C:\Windows\System32\sethc.exe	MIT License. © 2018 Red Canary
signature-base	cn_pentestset_scripts.yar	$s1 = “success = obj.run("cmd /c takeown /f %SystemRoot%\system32\sethc.exe&echo y\| “ ascii /* PEStudio Blacklist: strings */	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	description = “Sample from CN Honker Pentest Toolset - file T00ls Lpk Sethc v4.0.exe”	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	description = “Sample from CN Honker Pentest Toolset - file T00ls Lpk Sethc v3.0.exe”	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	description = “Sample from CN Honker Pentest Toolset - file T00ls Lpk Sethc v2.exe”	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	$s2 = “\dllcache\sethc.exe” fullword ascii	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	$s2 = “\sethc.exe /G everyone:F” fullword ascii /* PEStudio Blacklist: strings */	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	$s1 = “\sethc.exe /G everyone:F” fullword ascii /* PEStudio Blacklist: strings */	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	$s3 = “\dllcache\sethc.exe” fullword ascii	CC BY-NC 4.0
signature-base	cn_pentestset_tools.yar	$s3 = “\sethc.exe /G everyone:F” fullword ascii /* PEStudio Blacklist: strings */	CC BY-NC 4.0
signature-base	thor_inverse_matches.yar	description = “Sethc.exe has been replaced - Indicates Remote Access Hack RDP”	CC BY-NC 4.0
signature-base	thor_inverse_matches.yar	$s4 = “SETHC.EXE” wide fullword	CC BY-NC 4.0
signature-base	thor_inverse_matches.yar	filename == “sethc.exe”	CC BY-NC 4.0