psr.exe

  • File Path: C:\windows\SysWOW64\psr.exe
  • Description: Steps Recorder

Hashes

Type Hash
MD5 61B53950F13B05BDA1653B0007C75F93
SHA1 B2EF50078B424A09168EFA611E57E8F999B5A634
SHA256 0FF1A185FC4201CC2154B6E5EDBF1C4FF1A487D130FEED4E841BF688EF10BC3B
SHA384 8978A8210F748D84C0D1FFF1439BDE9DD82F842504828E9DDEE69B997400FB0D4CF13E8C09B20BDAA9CED7CD8E05A3E5
SHA512 DCEF7FA48B87D79AA93463196267D1576D6AD9AB4DF0F8DFFF683FF6ADA8B376A20D5F1881F401B9C0C09D12FDA6C3CBA4A7D3C6A2C2FA75524D86E3B0A6C43E
SSDEEP 6144:rmCNmDzCA1x4X3PsjPJAVcD8LPhSiWofQr2k5l8BmMxowi/EH1:rz+RUfsicD8pellpco//EH1

Signature

  • Status: The file C:\windows\SysWOW64\psr.exe is not digitally signed. You cannot run this script on the current system. For more information about running scripts and setting execution policy, see about_Execution_Policies at http://go.microsoft.com/fwlink/?LinkID=135170
  • Serial: ``
  • Thumbprint: ``
  • Issuer:
  • Subject:

File Metadata

  • Original Filename: psr.exe.mui
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 6.3.9600.16384 (winblue_rtm.130821-1623)
  • Product Version: 6.3.9600.16384
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File Score
C:\Windows\system32\psr.exe 68
C:\windows\system32\psr.exe 60
C:\Windows\system32\psr.exe 60
C:\Windows\SysWOW64\psr.exe 65
C:\Windows\SysWOW64\psr.exe 72

Possible Misuse

The following table contains possible examples of psr.exe being misused. While psr.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
sigma proc_creation_win_susp_psr_capture_screenshots.yml title: Psr.exe Capture Screenshots DRL 1.0
sigma proc_creation_win_susp_psr_capture_screenshots.yml description: The psr.exe captures desktop screenshots and saves them on the local machine DRL 1.0
sigma proc_creation_win_susp_psr_capture_screenshots.yml Image\|endswith: '\Psr.exe' DRL 1.0
LOLBAS Psr.yml Name: Psr.exe  
LOLBAS Psr.yml - Command: psr.exe /start /gui 0 /output c:\users\user\out.zip  
LOLBAS Psr.yml - Command: psr.exe /start /maxsc 100 /gui 0 /output c:\users\user\out.zip  
LOLBAS Psr.yml - Command: psr.exe /stop  
LOLBAS Psr.yml - C:\Windows\System32\Psr.exe  
LOLBAS Psr.yml - C:\Windows\SysWOW64\Psr.exe  
LOLBAS Psr.yml Name: Psr.exe  
LOLBAS Psr.yml - Command: psr.exe /start /output D:\test.zip /sc 1 /gui 0  
LOLBAS Psr.yml Description: Record a user screen without creating a GUI. You should use "psr.exe /stop" to stop recording and create output file.  
LOLBAS Psr.yml - Path: c:\windows\system32\psr.exe  
LOLBAS Psr.yml - Path: c:\windows\syswow64\psr.exe  
LOLBAS Psr.yml - IOC: psr.exe spawned  
atomic-red-team T1113.md Use Psr.exe binary to collect screenshots of user display. Test will do left mouse click to simulate user behaviour MIT License. © 2018 Red Canary
atomic-red-team T1113.md cmd /c start /b psr.exe /start /output #{output_file} /sc 1 /gui 0 /stopevent 12 MIT License. © 2018 Red Canary
atomic-red-team T1113.md cmd /c “timeout #{recording_time} > NULL && psr.exe /stop” MIT License. © 2018 Red Canary

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