A computer account was promoted to DC

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Windows Event Collector OR XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules	Identity Analytics
ATT&CK Tactic	Persistence (TA0003), Privilege Escalation (TA0004)
ATT&CK Technique	Account Manipulation (T1098), Valid Accounts (T1078)
Severity	Low

Description

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

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.