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