sethc.exe

  • File Path: C:\windows\system32\sethc.exe
  • Description: Accessibility shortcut keys

Hashes

Type Hash
MD5 EE69991DCEA4CA4189F42DEEE5D7666A
SHA1 167891D5EF9A442CCE490E7E317BFD24A623EE12
SHA256 F7056041988A7CA29FF6C341A1F9EFE94C90C2CF47E9078ACAB3B97F1F18E123
SHA384 10F95967CF6141337DF5E77EABE6831848C606C8CB6E7068A1293BBA2AB642CBABBD5D18298E287CA183D75E2AF0C2D6
SHA512 0E5557CE785ADB2CE7B36CE56DB1C4EDE746EEFCF8F3243DAFC92BB6473B928EF5D5AFF742F94DAFADBCA270C1446B595F249E1B5A8252B1725B824715D5F26B
SSDEEP 6144:xPQ4TVWFSOj+jC6uFz2LJGRg4kLNnei36cw:JQq07FCdUc

Signature

  • Status: The file C:\windows\system32\sethc.exe is not digitally signed. You cannot run this script on the current system. For more information about running scripts and setting execution policy, see about_Execution_Policies at http://go.microsoft.com/fwlink/?LinkID=135170
  • Serial: ``
  • Thumbprint: ``
  • Issuer:
  • Subject:

File Metadata

  • Original Filename: sethc.exe.mui
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 6.3.9600.16384 (winblue_rtm.130821-1623)
  • Product Version: 6.3.9600.16384
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File Score
C:\Windows\system32\EaseOfAccessDialog.exe 60
C:\windows\system32\EaseOfAccessDialog.exe 77
C:\Windows\system32\EaseOfAccessDialog.exe 77
C:\Windows\system32\EaseOfAccessDialog.exe 61
C:\Windows\system32\sethc.exe 65
C:\Windows\system32\sethc.exe 75
C:\Windows\system32\sethc.exe 61
C:\Windows\SysWOW64\EaseOfAccessDialog.exe 61
C:\Windows\SysWOW64\EaseOfAccessDialog.exe 74
C:\windows\SysWOW64\EaseOfAccessDialog.exe 77
C:\Windows\SysWOW64\EaseOfAccessDialog.exe 61
C:\Windows\SysWOW64\sethc.exe 61
C:\windows\SysWOW64\sethc.exe 82
C:\Windows\SysWOW64\sethc.exe 63
C:\Windows\SysWOW64\sethc.exe 71

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 win_install_reg_debugger_backdoor.yml - '*\CurrentVersion\Image File Execution Options\sethc.exe*' DRL 1.0
sigma sysmon_stickykey_like_backdoor.yml - '*\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sethc.exe\Debugger' DRL 1.0
sigma sysmon_stickykey_like_backdoor.yml - '*cmd.exe sethc.exe *' 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.