Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source
  • Suspicious runonce.exe parent process Low

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

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    6 Hours
    ATT&CK tactics: Persistence (TA0003)
    ATT&CK techniques: Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder (T1547.001)
    Required data: XDR Agent
    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.