Analytics BIOC Low

Modification of NTLM restrictions in the Registry

Allowing the transmission of NTLM could be part of an NTLM downgrade or an Internal Monologue attack.

Module:
Platform Analytics
Data source:
XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK tactics: Credential Access (TA0006)
ATT&CK techniques: OS Credential Dumping (T1003)
Attacker's goals:

Downgrading to a lower NTLM version gives the attacker an easy way to retrieve NTLM hashes from a Windows machine.

Investigative actions:

Check whether the executing process is benign and if this was a desired behavior as part of its normal execution flow.

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