MoUsoCoreWorker.exe

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

Hashes

Type Hash
MD5 66D5E472CAC7AD32561F891AACDC71D9
SHA1 F3DA6968A419685023BB46D00B47ED343047FE5A
SHA256 22AFA24D1A010B9465897BD8657FF34F27EFEC9EF0AA919EB3F211F1C1026948
SHA384 6525625D72DFB029FC4C327048D28C35CDFFD1C227C592230E127F76E1F7E485455A1364FC2E598C04ED9DF9843969F0
SHA512 FC6153E8BA6C5DBEBE2EC90903803B1D32E1EE08AE26DBA5FE285E92DE7AB157C07DC73107C7F3E630A6FCE29C84C6DC00791E337C5EC4764E9A0FA05FB13E2D
SSDEEP 24576:aZJvYqhVusESiktB0KL0PcQFGH0pyPGgLipKQsG3WTs:EgqazJB00MPGdpDtW
IMP 39233DDAE71CD9D2B0CA5AA6FDD61054
PESHA1 4EF7DFA80D44EBC484A6939678465571E027AEE6
PE256 A008E3448A4196FE5F5D0763C639A422EF36F607D0AB719169E80236BBC96100

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.ver0x0000000000000002.db Section
\BaseNamedObjects\C:*ProgramData*Microsoft*Windows*Caches*cversions.2 Section
\BaseNamedObjects\NLS_CodePage_1252_3_2_0_0 Section
\BaseNamedObjects\NLS_CodePage_437_3_2_0_0 Section

Loaded Modules:

Path
C:\Windows\System32\advapi32.dll
C:\Windows\System32\cfgmgr32.dll
C:\Windows\System32\combase.dll
C:\Windows\System32\CRYPT32.dll
C:\Windows\system32\dmiso8601utils.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: 10.0.19041.662 (WinBuild.160101.0800)
  • Product Version: 10.0.19041.662
  • 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/22afa24d1a010b9465897bd8657ff34f27efec9ef0aa919eb3f211f1c1026948/detection

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

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