Process

ubiquitoussigned

mousocoreworker.exe

Microsoft CorporationFirst seen 2026-06-09

File identity

File details
File type
PE32+ executable
Magic
PE32+ executable (GUI)
Architecture
x64
Original name
MoUSOCoreWorker.exe
Internal name
MoUSO Core Worker Process
Product
Microsoft® Windows® Operating System
Signing information
Status
Signed
Signature rate
100%
Publisher
Microsoft Corporation
Signer
Microsoft Windows
Issuer
Microsoft Windows Production PCA 2011
Thumbprint
3b77db29ac72aa6b5880ecb2ed5ec1ec6601d847
File version1
  • 1450.2508.4042.0100%
File size1
  • 4889.40 KB100%

Execution context

File paths1
  • C:\Windows\UUS\amd64\MoUsoCoreWorker.exe100%
User context1
  • SYSTEM100%
Integrity level1
  • System100%
Instances1
  • 1100%
Session1
  • Session 0100%
Token privileges9
  • SeCreateSymbolicLinkPrivilege100%
  • SeCreateGlobalPrivilege100%
  • SeAuditPrivilege100%
  • SeChangeNotifyPrivilege100%
  • SeDebugPrivilege100%

Analysis

About this process

No analyst write-up yet.

Security notes

No analyst write-up yet.

Anomaly signals

None defined yet.

Telemetry

OS prevalence1
  • Windows 11 (26200)100%
Observation timeline
First seen
2026-06-09
Last seen
2026-06-09
Machines
1
Executions
5
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