Unusual process accessed a web browser history file

Cortex XDR Analytics Alert Reference by data source

Product

Cortex XDR

Last date published

2024-12-03

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires: XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules
Detector Tags	Sensitive Information Stealing Analytics
ATT&CK Tactic	Discovery (TA0007) Collection (TA0009)
ATT&CK Technique	Browser Information Discovery (T1217) Data from Local System (T1005) Automated Collection (T1119)
Severity	Low

An unusual process has accessed a web browser history file.

Obtain access to the user's browsing history and steal their contents.

Determine whether it is legitimate for the process to access web browser history.
Analyze the process/application that accessed the file.
Check for any other suspicious actions that were performed by the process.
Look for unusual access of resources using credentials that may be stored in the above file.

ATT&CK Tactic

ATT&CK Technique

Severity

Low

An unusual process has accessed a web browser history file.

Obtain access to the user's browsing history and steal their contents.

Determine whether it is legitimate for the process to access web browser history.
Analyze the process/application that accessed the file.
Check for any other suspicious actions that were performed by the process.
Look for unusual access of resources using credentials that may be stored in the above file.