--- Name: Createdump.exe Description: Microsoft .NET Runtime Crash Dump Generator (included in .NET Core) Author: mr.d0x, Daniel Santos Created: 2022-01-20 Commands: - Command: createdump.exe -n -f dump.dmp [PID] Description: Dump process by PID and create a minidump file. If "-f dump.dmp" is not specified, the file is created as '%TEMP%\dump.%p.dmp' where %p is the PID of the target process. Usecase: Dump process memory contents using PID. Category: Dump Privileges: SYSTEM MitreID: T1003 OperatingSystem: Windows 10, Windows 11 Full_Path: - Path: C:\Program Files\dotnet\shared\Microsoft.NETCore.App\*\createdump.exe - Path: C:\Program Files (x86)\dotnet\shared\Microsoft.NETCore.App\*\createdump.exe - Path: C:\Program Files\Microsoft Visual Studio\*\Community\dotnet\runtime\shared\Microsoft.NETCore.App\6.0.0\createdump.exe - Path: C:\Program Files (x86)\Microsoft Visual Studio\*\Community\dotnet\runtime\shared\Microsoft.NETCore.App\6.0.0\createdump.exe Detection: - Sigma: https://github.com/SigmaHQ/sigma/blob/19396788dbedc57249a46efed2bb1927abc376d4/rules/windows/process_creation/proc_creation_win_proc_dump_createdump.yml - Sigma: https://github.com/SigmaHQ/sigma/blob/19396788dbedc57249a46efed2bb1927abc376d4/rules/windows/process_creation/proc_creation_win_susp_renamed_createdump.yml - IOC: createdump.exe process with a command line containing the lsass.exe process id Resources: - Link: https://twitter.com/bopin2020/status/1366400799199272960 - Link: https://docs.microsoft.com/en-us/troubleshoot/developer/webapps/aspnetcore/practice-troubleshoot-linux/lab-1-3-capture-core-crash-dumps Acknowledgement: - Person: bopin Handle: '@bopin2020'