Analytics BIOC Medium

Script file added to startup-related Registry keys

An attacker may add a script file to the Registry "Run Keys" or the "Winlogon\Userinit" key to cause it to be executed as the user logs in.

Module:
Platform Analytics
Data source:
XDR Agent
ATT&CK tactics: Persistence (TA0003)
ATT&CK techniques: Boot or Logon Autostart Execution (T1547)
Attacker's goals:

Gain persistence using the legitimate Windows registry run key mechanism, which executes commands on user login or computer boot.

Investigative actions:

Verify if the registered script is malicious. Check if the installed software is a malicious binary or script.

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