psr.exe
- File Path:
C:\WINDOWS\system32\psr.exe - Description: Steps Recorder
Hashes
| Type | Hash |
|---|---|
| MD5 | 718958B7BA25BE86F1EFA0EDC41C8233 |
| SHA1 | DF7BB4566C82C0DEA0FD335CE7CF576691044841 |
| SHA256 | A12EBF100EF959BA9391683CA8D24C0BF4C16CC65D96249F09998ADEEDC79B94 |
| SHA384 | 3B4B6D0C520EE04FF3EE2E93B810D457A3F2BBFDE41E3EAAFB7AE7B2437AB7AF934C301C30076F19D932264562FD828C |
| SHA512 | A67EE86095B5D071C933D235C64959BA82F0FD86421454FCC2F2C4017EE8DEA72BEC2A2E9650208F70E9CED54310D21503BD7E9860D316F23F4406F65E92272F |
| SSDEEP | 3072:/BHHC4xaQGcV5fFkWDgN6QLqAtxQG48Qc7gUi/TteDghATBLUri23R:/BHHC48lcjfA6y7tOh80/TteDghA9L |
Signature
- Status: Signature verified.
- Serial:
330000023241FB59996DCC4DFF000000000232 - Thumbprint:
FF82BC38E1DA5E596DF374C53E3617F7EDA36B06 - Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
- Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
File Metadata
- Original Filename: psr.exe.mui
- Product Name: Microsoft Windows Operating System
- Company Name: Microsoft Corporation
- File Version: 10.0.18362.1 (WinBuild.160101.0800)
- Product Version: 10.0.18362.1
- Language: English (United States)
- Legal Copyright: Microsoft Corporation. All rights reserved.
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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