
title: Maze Ransomware
author: Florian Roth
date: 2020/05/08
description: Detects specific process characteristics of Maze ransomware word document
  droppers
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    ParentImage:
    - '*\WINWORD.exe'
  SELECTION_3:
    Image:
    - '*.tmp'
  SELECTION_4:
    Image: '*\wmic.exe'
  SELECTION_5:
    ParentImage: '*\Temp\\*'
  SELECTION_6:
    CommandLine: '*shadowcopy delete'
  SELECTION_7:
    CommandLine: '*shadowcopy delete'
  SELECTION_8:
    CommandLine: '*\..\..\system32*'
  condition: (SELECTION_1 and ((SELECTION_2 and SELECTION_3) or (SELECTION_4 and SELECTION_5
    and SELECTION_6) or (SELECTION_7 and SELECTION_8)))
falsepositives:
- Unlikely
fields:
- ComputerName
- User
- Image
id: 29fd07fc-9cfd-4331-b7fd-cc18dfa21052
level: critical
logsource:
  category: process_creation
  product: windows
modified: 2021/06/27
references:
- https://www.fireeye.com/blog/threat-research/2020/05/tactics-techniques-procedures-associated-with-maze-ransomware-incidents.html
- https://app.any.run/tasks/51e7185c-52d7-4efb-ac0d-e86340053473/
- https://app.any.run/tasks/65a79440-373a-4725-8d74-77db9f2abda4/
status: experimental
tags:
- attack.execution
- attack.t1204.002
- attack.t1204
- attack.t1047
- attack.impact
- attack.t1490
ruletype: SIGMA
