Possible Pass-the-Hash

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent
Detection Modules	Identity Analytics
ATT&CK Tactic	Lateral Movement (TA0008)
ATT&CK Technique	Use Alternate Authentication Material: Pass the Hash (T1550.002)
Severity	Low

Description

An account was successfully logged on to with new credentials. This login type is rare and may be an attacker's attempt to pass-the-hash and move laterally within a network.

Attacker's Goals

An attacker is attempting to steal credentials and move laterally within a network.

Investigative actions

• Audit all login events and review for discrepancies.
• Look for LSASS process access, an indication of an attacker attempting to obtain password hashes.
• Check for the RunAs command with the /netonly option.