Analytics BIOC Low

Suspicious runonce.exe parent process

Runonce.exe executes commands under the Registry key HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce, typically on computer boot and user logon events.

Module:
Platform Analytics
Data source:
XDR Agent
ATT&CK tactics: Persistence (TA0003)
ATT&CK techniques: Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder (T1547.001)
Attacker's goals:

Command execution and persistence on the host.

Investigative actions:

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.

Test period:
N/A (single event)
Deduplication:
6 Hours