HxTsr.exe

by Microsoft

Application

Sources: 300M+ executions observed in the wild.

Summary

Microsoft Outlook Communications process handles background email sync, notifications, and communication features for the Outlook desktop and Mail apps.

HxTsr.exe is the 60th most commonly executed Windows program in EchoTrail's dataset, observed 562,827 times across enterprise environments. It typically runs from C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.8008.42001.0_x64__8wekyb3d8bbwe and it is most often launched by svchost.exe.

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60th

most commonly executed Windows program

562,827

observed endpoint executions

Behavior

Top Paths

C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.8008.42001.0_x64__8wekyb3d8bbwe36.38%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.9029.22105.0_x64__8wekyb3d8bbwe3.12%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11029.20108.0_x64__8wekyb3d8bbwe2.68%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.8827.21855.0_x64__8wekyb3d8bbwe2.64%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11425.20190.0_x64__8wekyb3d8bbwe2.6%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.9330.20915.0_x64__8wekyb3d8bbwe2.23%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.13110.41006.0_x64__8wekyb3d8bbwe2.07%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.13228.41011.0_x64__8wekyb3d8bbwe1.93%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.9126.21535.0_x64__8wekyb3d8bbwe1.93%
C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11901.20184.0_x64__8wekyb3d8bbwe1.92%

Top Hashes (SHA256)

35131ce235d69ba79393007decd98713141164b3fed982dda7fb71bca8c9b4ed37.59%
fcefac344b4e8f73d28b25c6dc00baa1b223d32d711f247d8a9d69ae960d883d3.22%
1c712de1beaeb7a18626a162c6330cc30839f98f1ab6ecd1f4eb267e779b566b2.7%
bbfc974cdcfa4be22ace923c59ebeb92f0f295e2cbd1145de1af0865885395f32.52%
5f006dafed6ef9f01323252ad23951b424b02a57513ea6e5fb8f7187ea29c89e2.3%
2c3506c75ac2bf4c839c4aa2170bc3aa400b690dcddab37c2bcc25f396ab2ab22.14%
093eb23e69fec3848f13d128c229ac571fe12b4929aac8d27b59e387b167c38b1.99%
3b973a77cf2c693d5e425c9bbb5972e895833dc2fcf1c0a25e71ca9901ece5ac1.99%
534953a95803f013fc0b68a4ff5ef4b58b227f4ea760fb1356995f21389106941.99%
3d2077d3b8ef8fd964e7c5ff4d59419469dfa58a2ef6f4c2b2a262936ef252e21.91%

Process Ancestry

Top Grandparents

services.exe100%

Top Parents

svchost.exe100%

Top Children

Security Analysis

What does HxTsr.exe normally do?

Part of Microsoft software. Normal operation.

When is HxTsr.exe suspicious?

Running from unexpected paths.

How do attackers abuse HxTsr.exe?

Not commonly abused.

Detection guidance

No specific detection needed.

False positive notes

Normal Microsoft operation.

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