BIOC Medium

Rundll32.exe launches an executable using ordinal numbers argument

Rundll32.exe launches an executable using ordinal numbers argument, this behavior may be used by attackers to evade detection.

Module:
Platform Analytics
Agent event type:
Process execution
Category:
Evasion
Status:
Enabled
ATT&CK tactics: Defense Evasion (TA0005)
ATT&CK techniques: System Binary Proxy Execution: Rundll32 (T1218.011)
Indicator:

Process action type = execution AND target process cmd =~ dll.*?#[-+]?[0-9]+.*?\.exe AND target process name = rundll32.exe

Preventable: yes