Createdump.exe

type: OtherMSBinaries

Microsoft .NET Runtime Crash Dump Generator (included in .NET Core)

Full path

C:\Program Files\dotnet\shared\Microsoft.NETCore.App\<version>\createdump.exe
C:\Program Files (x86)\dotnet\shared\Microsoft.NETCore.App\<version>\createdump.exe
C:\Program Files\Microsoft Visual Studio\<version>\Community\dotnet\runtime\shared\Microsoft.NETCore.App\6.0.0\createdump.exe
C:\Program Files (x86)\Microsoft Visual Studio\<version>\Community\dotnet\runtime\shared\Microsoft.NETCore.App\6.0.0\createdump.exe

Commands

DumpSYSTEM T1003
Dump process memory contents using PID.
```
createdump.exe -n -f {PATH:.dmp} {PID}
```
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.
os: Windows 10, Windows 11

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/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_renamed_createdump.yml
IOCcreatedump.exe process with a command line containing the lsass.exe process id

Resources

acknowledgement: bopin @bopin2020