MoUsoCoreWorker.exe

  • File Path: C:\Windows\system32\MoUsoCoreWorker.exe
  • Description: MoUSO Core Worker Process

Hashes

Type Hash
MD5 B23D3D91F4892DF3FA0D1E84B97E8160
SHA1 66E20A912978E16B0E06F82C071134962B40A5F1
SHA256 86BB2DFF3F88B2F1AB8DD2C1B6FA3CE78089791D5C446A587BA5F67CD80F7059
SHA384 01372ED061D3B9684377DA0104365D3EB825D95D97FF684527B41867F187658FABD1E6454814D3C45A9B9AD6D4BEC263
SHA512 EFF4D8DF7D7C27BBC16B5758C2C174F7F71D17E1C294138B6E77D7AF1E4123B1DD904248ABB320613C55805E302231BD3166B752540F14D4CBD468A68B8299C6
SSDEEP 24576:RvVaye5LiMW0i6dxxDyrRLUCIU6GH8kGWutsG3Cz:2yeBYd688kG5tC

Runtime Data

Open Handles:

Path Type
(RW-) C:\Users\user File
\BaseNamedObjects__ComCatalogCache__ Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{6AF0698E-D558-4F6E-9B3C-3716689AF493}.2.ver0x0000000000000002.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000001.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*cversions.2.ro Section
\BaseNamedObjects\NLS_CodePage_1252_3_2_0_0 Section
\BaseNamedObjects\NLS_CodePage_437_3_2_0_0 Section
\Sessions\1\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*{F79646A6-8BE5-443B-A98F-AD03D667F646}.2.ver0x0000000000000001.db Section
\Sessions\1\BaseNamedObjects\SessionImmersiveColorPreference Section

Loaded Modules:

Path
C:\Windows\System32\advapi32.dll
C:\Windows\System32\combase.dll
C:\Windows\System32\KERNEL32.DLL
C:\Windows\System32\KERNELBASE.dll
C:\Windows\system32\MoUsoCoreWorker.exe
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

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: MoUSOCoreWorker.exe
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 10.0.19041.423 (WinBuild.160101.0800)
  • Product Version: 10.0.19041.423
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

Possible Misuse

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

Source Source File Example License
sigma sysmon_wmi_module_load.yml - '\windows\system32\MoUsoCoreWorker.exe' # c:\windows\System32\MoUsoCoreWorker.exe on win10 20H04 at least DRL 1.0

MIT License. Copyright (c) 2020-2021 Strontic.