Analytics Low

Outlook files accessed by an unsigned process

An attacker may use an uncommon and unsigned process to access Outlook data files.

Module:
Platform Analytics
Data source:
XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK tactics: Collection (TA0009)
ATT&CK techniques: Data Staged: Local Data Staging (T1074.001) Email Collection: Local Email Collection (T1114.001)
Attacker's goals:

Gain access to the data in the compromised mailbox.

Investigative actions:

Examine the process command and file activity to identify the mailbox. Check if the process performed any other suspicious file activity. Check if the process generated network connections.

Test period:
1 Hour
Deduplication:
1 Day