LocalBridge.exe
Sources: 300M+ executions observed in the wild.
Summary
Part of a local communication bridge for UWP-to-desktop app communication or Microsoft Store app functionality.
LocalBridge.exe is the 118th most commonly executed Windows program in EchoTrail's dataset, observed 187,170 times across enterprise environments. It typically runs from C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2008.12711.0_x64__8wekyb3d8bbwe and it is most often launched by RuntimeBroker.exe.
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Behavior
Top Paths
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2008.12711.0_x64__8wekyb3d8bbwe34.07%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2002.1101.0_x64__8wekyb3d8bbwe14.19%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1910.1283.0_x64__8wekyb3d8bbwe11.99%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2005.1191.0_x64__8wekyb3d8bbwe11.13%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2006.1031.0_x64__8wekyb3d8bbwe7.77%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2004.1162.0_x64__8wekyb3d8bbwe7.76%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2104.12721.0_x64__8wekyb3d8bbwe6.87%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2001.1241.0_x64__8wekyb3d8bbwe5.3%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.2002.1216.0_x64__8wekyb3d8bbwe0.78%
- C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe0.08%
Top Hashes (SHA256)
- b06e53f0b66f7fef0978dba47b943e3b1a3efd0bdcb398104d96bb1f88a46acc34.09%
- aa4d0c64ac44ea11bcec87cf7a73bc479db9047c21d544341b07558e0c1773b514.2%
- 7b302c043e7b0770e896c1630513fe2a38506e056e00608a9cb74a20fe10dc9f11.99%
- 250ca122318a14ee41105d2590ca56c8b58ede4edaed3cce8ff7e61b311e905c11.14%
- 1ed9f5d49a988bae6e8d90d40a4fe6324c2d6b0ed36492a3a0e653c77d4c842a7.77%
- d552be7a8ad94a8958fca6687ca8af3b72786745ea4840b97c3410453d00f3cd7.77%
- 4d18d9aca0208f2c244e751ad6b3d8472308616a1d0caa38988da78aad9c11ae6.87%
- 8a714758b08576555b1177478d8ae47e92636c59641af9e05ba873c8257687dd5.31%
- bc2c78a4969451c5029871cb53e5eb0700ec19004475ccbc8d7fb395050a36760.78%
- 8b6be6f016b6378d89d9bf1a9337f699f89829d154ae13e2c1c94ac0e00b7b6f0.04%
Process Ancestry
Top Grandparents
- svchost.exe100%
Top Parents
- RuntimeBroker.exe99.99%
- backgroundTaskHost.exe<0.01%
- sihost.exe<0.01%
- GoogleUpdate.exe<0.01%
- LocalBridge.exe<0.01%
- svchost.exe<0.01%
- taskhostw.exe<0.01%
- Update.exe<0.01%
- WerFault.exe<0.01%
Top Children
- EXCEL.EXE33.33%
- WerFault.exe33.33%
- WINWORD.EXE33.33%
Security Analysis
What does LocalBridge.exe normally do?
Part of Microsoft software. Normal operation.
When is LocalBridge.exe suspicious?
Running from unexpected paths.
How do attackers abuse LocalBridge.exe?
Not commonly abused.
Detection guidance
No specific detection needed.
False positive notes
Normal Microsoft operation.
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