53 lines
1.3 KiB
YAML
53 lines
1.3 KiB
YAML
|
|
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
|