Suspicious authentication package registered

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

14 Days

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Boot or Logon Autostart Execution: Authentication Package (T1547.002)

Severity

Medium

Description

The endpoint registered a suspicious authentication package, which may be used to gain persistence on the host by loading libraries into the time management service.

Attacker's Goals

Gain persistence using the legitimate Windows authentication package mechanism, which loads libraries into Windows services.

Investigative actions

  • Verify if the registered library is malicious.
  • Check if the installing software is a malicious binary.
  • Check for any suspicious network activity from "lsass.exe".