frack113
43 lines
1.4 KiB
YAML
43 lines
1.4 KiB
YAML
title: Emotet Process Creation
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id: d02e8cf5-6099-48cf-9bfc-1eec2d0c7b18
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status: test
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description: Detects all Emotet like process executions that are not covered by the more generic rules
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author: Florian Roth
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date: 2019/09/30
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modified: 2021/11/29
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tags:
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- attack.execution
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- attack.t1059.001
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- attack.defense_evasion
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- attack.t1027
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references:
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- https://app.any.run/tasks/e13ab713-64cf-4b23-ad93-6dceaa5429ac/
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- https://app.any.run/tasks/81f3c28c-c686-425d-8a2b-a98198d244e1/
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- https://app.any.run/tasks/97f875e8-0e08-4328-815f-055e971ba754/
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- https://app.any.run/tasks/84fc9b4a-ea2b-47b1-8aa6-9014402dfb56/
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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CommandLine|contains:
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- ' -e* PAA'
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- 'JABlAG4AdgA6AHUAcwBlAHIAcAByAG8AZgBpAGwAZQ' # $env:userprofile
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- 'QAZQBuAHYAOgB1AHMAZQByAHAAcgBvAGYAaQBsAGUA' # $env:userprofile
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- 'kAGUAbgB2ADoAdQBzAGUAcgBwAHIAbwBmAGkAbABlA' # $env:userprofile
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- 'IgAoACcAKgAnACkAOwAkA' # "('*');$
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- 'IAKAAnACoAJwApADsAJA' # "('*');$
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- 'iACgAJwAqACcAKQA7ACQA' # "('*');$
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- 'JABGAGwAeAByAGgAYwBmAGQ'
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- 'PQAkAGUAbgB2ADoAdABlAG0AcAArACgA' # =$env:temp+(
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- '0AJABlAG4AdgA6AHQAZQBtAHAAKwAoA' # =$env:temp+(
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- '9ACQAZQBuAHYAOgB0AGUAbQBwACsAKA' # =$env:temp+(
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condition: selection
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fields:
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- CommandLine
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- ParentCommandLine
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falsepositives:
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- Unlikely
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level: critical
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