ctfmon.exe

File Path: C:\Windows\system32\ctfmon.exe
Description: CTF Loader

Hashes

Type	Hash
MD5	`B625C18E177D5BEB5A6F6432CCF46FB3`
SHA1	`ABB864E1911C59F785B0E1822701B9A5AB31BA1E`
SHA256	`484FED5F039F429ED933931BA607B7EFDA7D1A343D79CFAB60910E1843147012`
SHA384	`837300F82D6F1419643D369B7350C16D08BA4768D3875DA3D6BA3970C6A43DB01F9F18F70E20B7191454DF352D9D15C9`
SHA512	`D908BBDC26504B7BF6527C6F436D1BA0EDFD9D2D09981ECE411551BB3C5E1CFD046675A09A98438C5C59A2A4D9BA689FB0F1DD017190DF6705EA088F11CC0C7F`
SSDEEP	`96:09AOfIKFb3nPWsv+5g3U2QD6S1EswBm5R00hTTpTq6mmyJfLODJVpRKLsLEWhgWq:AX3DPWsD7DS1EswEnp5q6mmy1CMWhgW`
IMP	`6FD43544FB51C12382CAD7C88F550240`
PESHA1	`ADFB83DD927ED15B5AE5696F0A88D0422F86D373`
PE256	`BF1AFF435CA010D8BF927C22E891E16682BF2148CF17D037FDA0DD75DE325671`

Runtime Data

Loaded Modules:

Path
C:\Windows\System32\combase.dll
C:\Windows\system32\ctfmon.exe
C:\Windows\System32\GDI32.dll
C:\Windows\System32\gdi32full.dll
C:\Windows\System32\IMM32.dll
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\System32\MSCTF.dll
C:\Windows\system32\MsCtfMonitor.DLL
C:\Windows\system32\MSUTB.dll
C:\Windows\System32\msvcp_win.dll
C:\Windows\System32\msvcrt.dll
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\System32\OLEAUT32.dll
C:\Windows\System32\RPCRT4.dll
C:\Windows\System32\sechost.dll
C:\Windows\System32\ucrtbase.dll
C:\Windows\System32\USER32.dll
C:\Windows\System32\win32u.dll
C:\Windows\system32\WINSTA.dll

Signature

Status: Signature verified.
Serial: 3300000266BD1580EFA75CD6D3000000000266
Thumbprint: A4341B9FD50FB9964283220A36A1EF6F6FAA7840
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: CTFMON.EXE.MUI
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.
Machine Type: 64-bit

File Scan

VirusTotal Detections: 0/76
VirusTotal Link: https://www.virustotal.com/gui/file/484fed5f039f429ed933931ba607b7efda7d1a343d79cfab60910e1843147012/detection

File Similarity (ssdeep match)

File	Score
C:\WINDOWS\system32\ctfmon.exe	40
C:\windows\system32\ctfmon.exe	38

Possible Misuse

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

Source	Source File	Example	License
sigma	proc_access_win_in_memory_assembly_execution.yml	`- 'C:\WINDOWS\system32\ctfmon.exe'`	DRL 1.0
malware-ioc	amavaldo	`\\|` 6C04499F7406E270B590374EF813C4012530273E `\\| ctfmon.exe \\| Abused legitimate application \\| Clean file \\|`	© ESET 2014-2018
signature-base	apt_four_element_sword.yar	$s1 = “\System32\ctfmon.exe” fullword ascii	CC BY-NC 4.0
signature-base	apt_poisonivy.yar	$s0 = “%USERPROFILE%\AppData\Local\Temp\Low\ctfmon.log” fullword ascii /* PEStudio Blacklist: strings / / score: ‘43.015’ */	CC BY-NC 4.0
signature-base	apt_poisonivy.yar	$s1 = “%USERPROFILE%\AppData\Local\Temp\ctfmon.tmp” fullword ascii /* PEStudio Blacklist: strings / / score: ‘37.015’ */	CC BY-NC 4.0
signature-base	apt_poisonivy.yar	$s2 = “\temp\ctfmon.tmp” fullword ascii /* PEStudio Blacklist: strings / / score: ‘28.01’ */	CC BY-NC 4.0