Azure account creation by a non-standard account

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	AzureAD Audit Log
Detection Modules	Identity Threat Module, SaaS Threat Detection
ATT&CK Tactic	Persistence (TA0003)
ATT&CK Technique	Account Manipulation (T1098), Create Account (T1136)
Severity	Informational

Description

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

Attacker's Goals

Create a backdoor account for later access to Azure AD or Azure resources, or delete evidence of such an account.

Investigative actions

• Follow further actions by the initiator.
• Check for new resource creations by the new user.
• Check if the new user was added to a privileged role.
• Follow further actions done by the new user.

Variations

Unusual Azure account creation by a non-standard account

Synopsis

Field	Value
ATT&CK Tactic	Persistence (TA0003)
ATT&CK Technique	Account Manipulation (T1098), Create Account (T1136)
Severity	Low

Description

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

Attacker's Goals

Create a backdoor account for later access to Azure AD or Azure resources, or delete evidence of such an account.

Investigative actions

• Follow further actions by the initiator.
• Check for new resource creations by the new user.
• Check if the new user was added to a privileged role.
• Follow further actions done by the new user.