Analytics BIOC Low

Suspicious RunOnce Parent Process

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

An attacker is trying to perform an action on the system at a later point, achieving persistence.

Investigative actions:

Investigate the endpoint to determine if it's a legitimate process that is supposed to use RunOnce in its operation.

Test period:
N/A (single event)
Deduplication:
1 Day