wermgr.exe

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

Hashes

Type	Hash
MD5	`CD042F94B63D67E012CFB4297D313248`
SHA1	`231052FA4311FA3501539E34E21A624921E3C270`
SHA256	`61A84B2D8CA05C11E79DB8E18FEB0FE4BE1B8D555D0BE2651516B144800153AB`
SHA384	`00E3F0C70E33077F4EB760F883792769FA91CC1C40F830284487E65E61A8BA2305006FF0B951AC817B66A4C82DA3FF8B`
SHA512	`A16B4504C0E87E4E690F947DCA488F7A47CE42B65D59AA04052FD447F71BA7FA4B3601D349B1668FBD91C460B09BC3C50FDBC9F9E179902361FE079A3A154E33`
SSDEEP	`6144:fQ8dDWsoA3LNCscmA5pyjSnBzzVMuFOU9A+VJyB60OHyLC7v0:fTdKsow9A5MWphOU9Jc2Hyws`

Runtime Data

Loaded Modules:

Path
C:\Windows\SYSTEM32\ntdll.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: WerMgr
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.17763.1369 (WinBuild.160101.0800)
Product Version: 10.0.17763.1369
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File	Score
C:\Windows\system32\Faultrep.dll	40
C:\windows\system32\WerFault.exe	36
C:\Windows\system32\WerFault.exe	35
C:\Windows\system32\WerFault.exe	36
C:\Windows\system32\WerFault.exe	41
C:\Windows\system32\WerFaultSecure.exe	46
C:\Windows\system32\WerFaultSecure.exe	40
C:\WINDOWS\system32\WerFaultSecure.exe	43
C:\Windows\system32\WerFaultSecure.exe	49
C:\Windows\system32\WerFaultSecure.exe	46
C:\Windows\system32\WerFaultSecure.exe	44
C:\Windows\system32\WerFaultSecure.exe	44
C:\Windows\system32\WerFaultSecure.exe	43
C:\WINDOWS\system32\WerFaultSecure.exe	44
C:\Windows\system32\WerFaultSecure.exe	43
C:\Windows\system32\wermgr.exe	49
C:\Windows\system32\wermgr.exe	46
C:\Windows\system32\wermgr.exe	44
C:\WINDOWS\system32\wermgr.exe	41
C:\WINDOWS\system32\wermgr.exe	49
C:\Windows\system32\wermgr.exe	44
C:\Windows\system32\wermgr.exe	46
C:\Windows\system32\wermgr.exe	44
C:\Windows\system32\wermgr.exe	49
C:\Windows\system32\wermgr.exe	41
C:\windows\system32\wermgr.exe	49
C:\Windows\system32\werui.dll	41
C:\Windows\SysWOW64\WerFault.exe	44
C:\windows\SysWOW64\WerFault.exe	30
C:\Windows\SysWOW64\WerFaultSecure.exe	43
C:\Windows\SysWOW64\WerFaultSecure.exe	38
C:\Windows\SysWOW64\WerFaultSecure.exe	43
C:\Windows\SysWOW64\WerFaultSecure.exe	36
C:\WINDOWS\SysWOW64\WerFaultSecure.exe	41
C:\WINDOWS\SysWOW64\WerFaultSecure.exe	36
C:\Windows\SysWOW64\WerFaultSecure.exe	38
C:\Windows\SysWOW64\WerFaultSecure.exe	43
C:\Windows\SysWOW64\WerFaultSecure.exe	41
C:\Windows\SysWOW64\WerFaultSecure.exe	38
C:\Windows\SysWOW64\wermgr.exe	44
C:\windows\SysWOW64\wermgr.exe	44
C:\Windows\SysWOW64\wermgr.exe	38
C:\WINDOWS\SysWOW64\wermgr.exe	36
C:\Windows\SysWOW64\wermgr.exe	36
C:\WINDOWS\SysWOW64\wermgr.exe	41
C:\Windows\SysWOW64\wermgr.exe	40
C:\Windows\SysWOW64\wermgr.exe	41
C:\Windows\SysWOW64\wermgr.exe	38
C:\Windows\SysWOW64\werui.dll	41

Possible Misuse

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

Source	Source File	Example	License
sigma	proc_creation_win_cve_2021_26857_msexchange.yml	`- 'wermgr.exe'`	DRL 1.0
sigma	proc_creation_win_malware_trickbot_wermgr.yml	`description: Detects Trickbot malware process tree pattern in which rundll32.exe is parent of wermgr.exe`	DRL 1.0
sigma	proc_creation_win_malware_trickbot_wermgr.yml	`- '\wermgr.exe'`	DRL 1.0