Azure account deletion by a non-standard account

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:
    • AzureAD Audit Log

Detection Modules

Identity Threat Module

ATT&CK Tactic

Impact (TA0040)

ATT&CK Technique

Account Access Removal (T1531)

Severity

Low

Description

An Azure AD account deletion was performed by a user that doesn't typically delete users.

Attacker's Goals

Interrupt availability and access to Azure by deleting access accounts.

Investigative actions

  • Follow further actions by the initiator.
  • Check what services, groups and applications are affected by the deleted user being removed.
  • Check if the deleted user had a privileged role.

Variations

A suspicious Azure account deletion by a non-standard account

Synopsis

ATT&CK Tactic

Impact (TA0040)

ATT&CK Technique

Account Access Removal (T1531)

Severity

Medium

Description

An Azure AD account deletion was performed by a user that doesn't typically delete users in a suspicious manner.

Attacker's Goals

Interrupt availability and access to Azure by deleting access accounts.

Investigative actions

  • Follow further actions by the initiator.
  • Check what services, groups and applications are affected by the deleted user being removed.
  • Check if the deleted user had a privileged role.