WerFault.exe

  • File Path: C:\Windows\system32\WerFault.exe
  • Description: Windows Problem Reporting

Hashes

Type Hash
MD5 7DEF45F3DC7946073D1128FE2D061511
SHA1 7C6560566535E966989F80E45FC3FEF426B0B48A
SHA256 F69FF67FD26F7659D6D92C1A6D060D9BC6915E4FE048671C46BB42E57CC64518
SHA384 8FEC5CDBE087C1939F17B5846419AD0EC9BF4DA271C8D38012A1BA59CEA41981FB8183404DF03547AFA1AD0D983E6C53
SHA512 4E6A6F6929F8E4CE868CEA6E1A466053FB3961BE50AC74E9685559F4E3A97E087F1EBEE0D98CAFBB717EB0DBF83B1A504FB7846580FE4D66900130BB71D36678
SSDEEP 12288:809l9MkWWUV8mKTPKbO1CRIOzvlPzc2HywP:8K6HPV8muXOzvlPzcyhP
IMP A8411DCFB6906C782549D77E5571DC7E
PESHA1 0C9932141E14AC6821707902ED7404DA6D73C3B9
PE256 0D468C9DD7B8C8F65CCE9177A89FBCD674CE6175A0DE2085B707A21A6D794F56

Runtime Data

Loaded Modules:

Path
C:\Windows\System32\advapi32.dll
C:\Windows\System32\bcrypt.dll
C:\Windows\System32\combase.dll
C:\Windows\system32\CRYPTSP.dll
C:\Windows\system32\dbgcore.DLL
C:\Windows\system32\dbghelp.dll
C:\Windows\system32\faultrep.dll
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\System32\msvcp_win.dll
C:\Windows\System32\msvcrt.dll
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\SYSTEM32\ntmarta.dll
C:\Windows\System32\OLEAUT32.dll
C:\Windows\SYSTEM32\powrprof.dll
C:\Windows\System32\RPCRT4.dll
C:\Windows\System32\sechost.dll
C:\Windows\System32\shcore.dll
C:\Windows\System32\ucrtbase.dll
C:\Windows\system32\wer.dll
C:\Windows\system32\WerFault.exe

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: WerFault.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/f69ff67fd26f7659d6d92c1a6d060d9bc6915e4fe048671c46bb42e57cc64518/detection

File Similarity (ssdeep match)

File Score
C:\Windows\system32\WerFault.exe 90

Possible Misuse

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

Source Source File Example License
sigma win_exploit_cve_2020_1350.yml - '\System32\werfault.exe' DRL 1.0
sigma win_lsass_dump.yml Image\|endswith: '\werfault.exe' DRL 1.0
sigma win_wmiprvse_spawning_process.yml - '\WerFault.exe' DRL 1.0

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