.. /Dxcap.exe
Star

Execute (EXE, Rename)

DirectX diagnostics/debugger included with Visual Studio.

Paths:

C:\Windows\System32\dxcap.exe
C:\Windows\SysWOW64\dxcap.exe

Resources:

https://twitter.com/harr0ey/status/992008180904419328

Acknowledgements:

Matt harr0ey (@harr0ey)
Vikas Singh (@vikas891)
Naor Evgi (@ghosts621)

Detections:

Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_lolbin_susp_dxcap.yml
IOC: dxcap.exe executing from outside of System32/SysWOW64
IOC: dxcap.exe spawning Xperf.exe
IOC: Xperf.exe executing from unusual directories (if not running from ADK path)

Execute

Launch specified executable as a subprocess of dxcap.exe. Note that you should have write permissions in the current working directory for the command to succeed; alternatively, add ‘-file c:\path\to\writable\location.ext’ as first argument.
```
Dxcap.exe -c {PATH_ABSOLUTE:.exe}
```
Use case
Local execution of a process as a subprocess of dxcap.exe

Privileges required
User

Operating systems
Windows

ATT&CK® technique
T1127
Tags
Execute: EXE
Once executed, dxcap.exe will execute xperf.exe in the same folder. Thus, if dxcap.exe is copied to a folder and an arbitrary executable is renamed to xperf.exe, dxcap.exe will spawn it.
```
dxcap.exe -usage
```
Use case
Execute an arbitrary executable via trusted system executable.

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1127
Tags
Execute: EXE
Requires: Rename