--- Name: Explorer.exe Description: Binary used for managing files and system components within Windows Author: 'Jai Minton' Created: 2020-06-24 Commands: - Command: explorer.exe /root,"C:\Windows\System32\calc.exe" Description: Execute calc.exe with the parent process spawning from a new instance of explorer.exe Usecase: Performs execution of specified file with explorer parent process breaking the process tree, can be used for defense evasion. Category: Execute Privileges: User MitreID: T1218 MitreLink: https://attack.mitre.org/wiki/Technique/T1218 OperatingSystem: Windows XP, Windows 7, Windows 8, Windows 8.1, Windows 10 - Command: explorer.exe C:\Windows\System32\notepad.exe Description: Execute calc.exe with the parent process spawning from a new instance of explorer.exe Usecase: Performs execution of specified file with explorer parent process breaking the process tree, can be used for defense evasion. Category: Execute Privileges: User MitreID: T1218 MitreLink: https://attack.mitre.org/wiki/Technique/T1218 OperatingSystem: Windows 10 (Tested) Full_Path: - Path: C:\Windows\explorer.exe - Path: C:\Windows\SysWOW64\explorer.exe Code_Sample: - Code: Detection: - IOC: Multiple instances of explorer.exe or explorer.exe using the /root command line can help to detect this. Resources: - Link: https://twitter.com/CyberRaiju/status/1273597319322058752?s=20 - Link: https://twitter.com/bohops/status/1276356245541335048 - Link: https://twitter.com/bohops/status/986984122563391488 Acknowledgement: - Person: Jai Minton Handle: '@CyberRaiju' - Person: Jimmy Handle: '@bohops' ---