Leviathan Registry Key Activity

Status: test
Severity: critical
Log source: category registry_event, product windows
Author: Aidan Bracher
Source: github.com/SigmaHQ/sigma

Detects registry key used by Leviathan APT in Malaysian focused campaign

MITRE ATT&CK coverage

Tactic	Techniques
Persistence	`T1547.001` Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder
Privilege Escalation	`T1547.001` Boot or Logon Autostart Execution: Registry Run Keys / Startup Folder

Telemetry coverage

Provider	Record / event type
Sysmon	Event ID 12: RegistryEvent (Object create and delete)
Sysmon	Event ID 13: RegistryEvent (Value Set)
Sysmon	Event ID 14: RegistryEvent (Key and Value Rename)

Rule body

title: Leviathan Registry Key Activity
id: 70d43542-cd2d-483c-8f30-f16b436fd7db
status: test
description: Detects registry key used by Leviathan APT in Malaysian focused campaign
references:
    - https://www.elastic.co/blog/advanced-techniques-used-in-malaysian-focused-apt-campaign
author: Aidan Bracher
date: 2020-07-07
modified: 2023-09-19
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.t1547.001
    - detection.emerging-threats
logsource:
    category: registry_event
    product: windows
detection:
    selection:
        TargetObject|contains: '\Software\Microsoft\Windows\CurrentVersion\Run\ntkd'
    condition: selection
level: critical

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

selection:
    TargetObject|contains: '\Software\Microsoft\Windows\CurrentVersion\Run\ntkd'

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`TargetObject`	match	`\Software\Microsoft\Windows\CurrentVersion\Run\ntkd`	`field:"TargetObject" kind:match value:"\Software\Microsoft\Windows\CurrentVersion\Run\ntkd"`

Leviathan Registry Key Activity

MITRE ATT&CK coverage

Telemetry coverage

Rule body

Stages and Predicates

Stage 0: condition

Stage 1: selection

Indicators

Stage 0: `condition`

Stage 1: `selection`