WerFault.exe

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

Hashes

Type Hash
MD5 CC2523671E8BBC840035006A39B0213E
SHA1 A357534826805BEF1B5D92E8D6DE3F3A25D0E270
SHA256 05EE1A3CE81C001F5B175B60C35D6A91EE8766DB9A18BCEFA8CE9B4B160182DB
SHA384 25CB9635401BB7880EB3AE70953D0B45E7CB741ABF3B82014F30CD9AC377070774D0D55FF99752B2BEC2A51B78118DB7
SHA512 5C443108C0205C83D360419AC83720C3F369A2FE4F99465250411700E3FF5B5F853A2753EB5231437FC4F5936CF1B7B50B5E8B19A3D2EEF3D20E3CCC7BCD5260
SSDEEP 6144:XGz8dLTD3OoG+4ahurV4oAWHxbHozjQZkxkEwQWFL6qJdVdLKl2JRg+6FL1VJyBe:uF46LAWxbHozClQWFddgDFLzc2Hywv
IMP 862AFF0B51DFEEABAB0230D4F6D5ADDD
PESHA1 A95360724E56D737FC4C7DEB34F65F1FDDB0FB46
PE256 17D22A16DE63C2E3AE6C64F128AB7ED958FD8AC8B42C701BA94ED88F1B4440BE

Runtime Data

Loaded Modules:

Path
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\System32\msvcrt.dll
C:\Windows\SYSTEM32\ntdll.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: 0/66
  • VirusTotal Link: https://www.virustotal.com/gui/file/05ee1a3ce81c001f5b175b60c35d6a91ee8766db9a18bcefa8ce9b4b160182db/detection/

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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