Analytics BIOC Low

A computer account was promoted to DC

A computer account was promoted to a domain controller via a User Account Control (UAC) change.

Module:
Identity Analytics
Data source:
Windows Event Collector, XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK tactics: Persistence (TA0003) Privilege Escalation (TA0004)
ATT&CK techniques: Account Manipulation (T1098) Valid Accounts (T1078)
Attacker's goals:

An attacker may attempt to gain domain administrator privileges.

Investigative actions:

Verify if the domain controller promotion is expected. Check if the computer account is a new account. Confirm this action with the user who performed the change. Follow actions by the account and if it performed a DCSync.

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