User discovery via WMI query execution

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	XDR Agent with eXtended Threat Hunting (XTH)
ATT&CK Tactic	Execution (TA0002), Discovery (TA0007)
ATT&CK Technique	Windows Management Instrumentation (T1047), System Owner/User Discovery (T1033), Account Discovery (T1087)
Severity	Informational

Description

Attackers or malware may use WMI queries to list the users of a host, and potentially its owner.

Attacker's Goals

Attacker or malware can use WMI queries to discover host users and enumerate a huge amount of information.

Investigative actions

• Examine the process that executed the WMI query and verify that the process is from a trusted source.
• Inspect the system for suspicious activity that is related to that process.

Variations

User discovery via WMI query execution by an unsigned process

Synopsis

Field	Value
ATT&CK Tactic	Execution (TA0002), Discovery (TA0007)
ATT&CK Technique	Windows Management Instrumentation (T1047), System Owner/User Discovery (T1033), Account Discovery (T1087)
Severity	Low

Description

Attackers or malware may use WMI queries to list the users of a host, and potentially its owner.

Attacker's Goals

Attacker or malware can use WMI queries to discover host users and enumerate a huge amount of information.

Investigative actions

• Examine the process that executed the WMI query and verify that the process is from a trusted source.
• Inspect the system for suspicious activity that is related to that process.

User modification via WMIC query execution

Synopsis

Field	Value
ATT&CK Tactic	Execution (TA0002), Persistence (TA0003)
ATT&CK Technique	Windows Management Instrumentation (T1047), Account Manipulation (T1098)
Severity	Low

Description

Attackers or malware may use WMI queries to modify the users of a host, and potentially its owner.

Attacker's Goals

Attacker or malware can use WMI queries to discover host users and enumerate a huge amount of information.

Investigative actions

• Examine the process that executed the WMI query and verify that the process is from a trusted source.
• Inspect the system for suspicious activity that is related to that process.

User discovery via WMIC query execution

Synopsis

Field	Value
ATT&CK Tactic	Execution (TA0002), Discovery (TA0007)
ATT&CK Technique	Windows Management Instrumentation (T1047), System Owner/User Discovery (T1033), Account Discovery (T1087)
Severity	Informational

Description

Attackers or malware may use WMI queries to list the users of a host, and potentially its owner.

Attacker's Goals

Attacker or malware can use WMI queries to discover host users and enumerate a huge amount of information.

Investigative actions

• Examine the process that executed the WMI query and verify that the process is from a trusted source.
• Inspect the system for suspicious activity that is related to that process.