SigmaHQ/rules/windows/process_creation/win_malware_emotet.yml
2021-07-01 12:18:30 +05:45

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YAML

title: Emotet Process Creation
id: d02e8cf5-6099-48cf-9bfc-1eec2d0c7b18
status: experimental
description: Detects all Emotet like process executions that are not covered by the more generic rules
author: Florian Roth
date: 2019/09/30
modified: 2020/09/01
tags:
- attack.execution
- attack.t1059.001
- attack.t1086 # an old one
- attack.defense_evasion
- attack.t1027
references:
- https://app.any.run/tasks/e13ab713-64cf-4b23-ad93-6dceaa5429ac/
- https://app.any.run/tasks/81f3c28c-c686-425d-8a2b-a98198d244e1/
- https://app.any.run/tasks/97f875e8-0e08-4328-815f-055e971ba754/
- https://app.any.run/tasks/84fc9b4a-ea2b-47b1-8aa6-9014402dfb56/
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- ' -e* PAA'
- 'JABlAG4AdgA6AHUAcwBlAHIAcAByAG8AZgBpAGwAZQ' # $env:userprofile
- 'QAZQBuAHYAOgB1AHMAZQByAHAAcgBvAGYAaQBsAGUA' # $env:userprofile
- 'kAGUAbgB2ADoAdQBzAGUAcgBwAHIAbwBmAGkAbABlA' # $env:userprofile
- 'IgAoACcAKgAnACkAOwAkA' # "('*');$
- 'IAKAAnACoAJwApADsAJA' # "('*');$
- 'iACgAJwAqACcAKQA7ACQA' # "('*');$
- 'JABGAGwAeAByAGgAYwBmAGQ'
condition: selection
fields:
- CommandLine
- ParentCommandLine
falsepositives:
- Unlikely
level: critical