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

MIT License. Copyright (c) 2020-2021 Strontic.