.. / Psr.exe
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Reconnaissance

Windows Problem Steps Recorder, used to record screen and clicks.

Paths:

c:\windows\system32\psr.exe
c:\windows\syswow64\psr.exe

Resources:

https://social.technet.microsoft.com/wiki/contents/articles/51722.windows-problem-steps-recorder-psr-quick-and-easy-documenting-of-your-steps-and-procedures.aspx

Acknowledgements:

Leon Rodenko (@L3m0nada)

Detection:

Sigma: https://github.com/SigmaHQ/sigma/blob/c44b22b52fce406d45ddb6743a02b9ff8c62c7c6/rules/windows/process_creation/win_susp_psr_capture_screenshots.yml
IOC: psr.exe spawned
IOC: suspicious activity when running with "/gui 0" flag

Reconnaissance

Record a user screen without creating a GUI. You should use "psr.exe /stop" to stop recording and create output file.

psr.exe /start /output D:\test.zip /sc 1 /gui 0

Usecase: Can be used to take screenshots of the user environment
Privileges required: User
OS: since Windows 7 (client) / Windows 2008 R2
MITRE ATT&CK®: T1113

.. / Psr.exe Star

Reconnaissance

.. / Psr.exe
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