Potential Fake Instance Of Hxtsr.EXE Executed

 Original Source: [Sigma source]
Title: Potential Fake Instance Of Hxtsr.EXE Executed
Status: test
Description:HxTsr.exe is a Microsoft compressed executable file called Microsoft Outlook Communications. HxTsr.exe is part of Outlook apps, because it resides in a hidden "WindowsApps" subfolder of "C:\Program Files". Any instances of hxtsr.exe not in this folder may be malware camouflaging itself as HxTsr.exe
References:
  -Internal Research
Author: Sreeman
Date: 2020-04-17
modified:2024-02-08
Tags:
  • -'attack.stealth'
  • -'attack.t1036'
Logsource:
  • product: windows
  • category: process_creation
Detection:
  selection:
    Image|endswith: '\hxtsr.exe'
  filter_main_hxtsr:
    Image|contains: ':\program files\windowsapps\microsoft.windowscommunicationsapps_'
    Image|endswith: '\hxtsr.exe'
  condition:selection and not 1 of filter_main_*
Falsepositives:
  -Unknown
Level: medium