.. /Procdump.exe

Star

Paths:

• no default

Resources:

• https://twitter.com/ajpc500/status/1448588362382778372?s=20

Acknowledgements:

• Alfie Champion (@ajpc500)

Detections:

• Sigma: https://github.com/SigmaHQ/sigma/blob/6312dd1d44d309608552105c334948f793e89f48/rules/windows/process_creation/proc_creation_win_renamed_sysinternals_procdump.yml
• Sigma: https://github.com/SigmaHQ/sigma/blob/683b63f8184b93c9564c4310d10c571cbe367e1e/rules/windows/process_creation/proc_creation_win_sysinternals_procdump.yml
• Splunk: https://github.com/splunk/security_content/blob/86a5b644a44240f01274c8b74d19a435c7dae66e/detections/endpoint/dump_lsass_via_procdump.yml
• Elastic: https://github.com/elastic/detection-rules/blob/5bdf70e72c6cd4547624c521108189af994af449/rules/windows/credential_access_cmdline_dump_tool.toml
• IOC: Process creation with given '-md' parameter
• IOC: Anomalous child processes of procdump
• IOC: Unsigned DLL load via procdump.exe or procdump64.exe

Execute

1. Loads calc.dll where DLL is configured with a 'MiniDumpCallbackRoutine' exported function. Valid process must be provided as dump still created.

   procdump.exe -md calc.dll explorer.exe

   Use case

   Performs execution of unsigned DLL.

   Privileges required

   User

   Operating systems

   Windows 8.1 and higher, Windows Server 2012 and higher

   ATT&CK® technique

   T1202

   Tags

   Execute: DLL

   This LOLBAS executes Dynamic-Link Libraries (DLLs).

2. Loads calc.dll where configured with DLL_PROCESS_ATTACH execution, process argument can be arbitrary.

   procdump.exe -md calc.dll foobar

   Use case

   Performs execution of unsigned DLL.

   Privileges required

   User

   Operating systems

   Windows 8.1 and higher, Windows Server 2012 and higher

   ATT&CK® technique

   T1202

   Tags

   Execute: DLL

   This LOLBAS executes Dynamic-Link Libraries (DLLs).