title: Mustang Panda Dropper
author: Florian Roth, oscd.community
date: 2019/10/30
description: Detects specific process parameters as used by Mustang Panda droppers
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    CommandLine:
    - '*Temp\wtask.exe /create*'
    - '*%windir:~-3,1%%PUBLIC:~-9,1%*'
    - '*/tn "Security Script *'
    - '*%windir:~-1,1%*'
  SELECTION_3:
    CommandLine: '*/E:vbscript*'
  SELECTION_4:
    CommandLine: '*C:\Users\\*'
  SELECTION_5:
    CommandLine: '*.txt*'
  SELECTION_6:
    CommandLine: '*/F*'
  SELECTION_7:
    Image: '*Temp\winwsh.exe'
  condition: (SELECTION_1 and (SELECTION_2 or (SELECTION_3 and SELECTION_4 and SELECTION_5
    and SELECTION_6) or SELECTION_7))
falsepositives:
- Unlikely
fields:
- CommandLine
- ParentCommandLine
id: 2d87d610-d760-45ee-a7e6-7a6f2a65de00
level: high
logsource:
  category: process_creation
  product: windows
references:
- https://app.any.run/tasks/7ca5661d-a67b-43ec-98c1-dd7a8103c256/
- https://app.any.run/tasks/b12cccf3-1c22-4e28-9d3e-c7a6062f3914/
- https://www.anomali.com/blog/china-based-apt-mustang-panda-targets-minority-groups-public-and-private-sector-organizations
status: experimental
tags:
- attack.t1587.001
- attack.resource_development
ruletype: SIGMA