Suspicious local user account creation

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

1 Day

Required Data

  • Requires one of the following data sources:
    • Windows Event Collector
      OR
    • XDR Agent
  • Requires:
    • eXtended Threat Hunting (XTH)

Detection Modules

Identity Analytics

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Valid Accounts: Local Accounts (T1078.003)

Severity

Low

Description

A user was observed creating a rare local user account.

Attacker's Goals

Persistence using a valid account.

Investigative actions

  • Check the user who created the account and verify its activity.
  • Investigate whether the same account was created on different hosts as part of an installation process.