.. /Colorcpl.exe

Star

Paths:

• C:\Windows\System32\colorcpl.exe
• C:\Windows\SysWOW64\colorcpl.exe

Resources:

• https://twitter.com/eral4m/status/1480468728324231172

Acknowledgements:

• eral4m (@eral4m)

Detections:

• Sigma: https://github.com/SigmaHQ/sigma/blob/master/rules/windows/file/file_event/file_event_win_susp_colorcpl.yml
• IOC: colorcpl.exe writing files

Copy

1. Copies the referenced file to C:\Windows\System32\spool\drivers\color\.

   colorcpl file.txt

   Use case

   Copies file(s) to a subfolder of a generally trusted folder (c:\Windows\System32), which can be used to hide files or make them blend into the environment.

   Privileges required

   User

   Operating systems

   Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11

   ATT&CK® technique

   T1036.005