Multiple user accounts were deleted

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	1 Hour
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Windows Event Collector OR XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules	Identity Analytics
ATT&CK Tactic	Persistence (TA0003), Impact (TA0040)
ATT&CK Technique	Valid Accounts (T1078), Account Access Removal (T1531)
Severity	Informational

Description

A user deleted multiple user accounts.

Attacker's Goals

Persistence using a valid account.

Investigative actions

• Check the user who deleted the accounts and verify the activity.* Look into the recent activity of the deleted accounts and whether they were temporary or dormant.

Variations

A user deleted multiple users for the first time

Synopsis

Field	Value
ATT&CK Tactic	Persistence (TA0003), Impact (TA0040)
ATT&CK Technique	Valid Accounts (T1078), Account Access Removal (T1531)
Severity	Low

Description

A user deleted multiple user accounts.

Attacker's Goals

Persistence using a valid account.

Investigative actions

• Check the user who deleted the accounts and verify the activity.* Look into the recent activity of the deleted accounts and whether they were temporary or dormant.