title: DarkSide Ransomware Pattern
author: Florian Roth
date: 2021/05/14
description: Detects DarkSide Ransomware and helpers
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    CommandLine:
    - "*=[char][byte]('0x'+*"
    - '* -work worker0 -path *'
  SELECTION_3:
    ParentCommandLine:
    - '*DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}*'
  SELECTION_4:
    Image:
    - '*\AppData\Local\Temp\\*'
  condition: (SELECTION_1 and (SELECTION_2 or (SELECTION_3 and SELECTION_4)))
falsepositives:
- Unknown
- UAC bypass method used by other malware
id: 965fff6c-1d7e-4e25-91fd-cdccd75f7d2c
level: critical
logsource:
  category: process_creation
  product: windows
references:
- https://www.fireeye.com/blog/threat-research/2021/05/shining-a-light-on-darkside-ransomware-operations.html
- https://app.any.run/tasks/8b9a571b-bcc1-4783-ba32-df4ba623b9c0/
- https://www.joesandbox.com/analysis/411752/0/html#7048BB9A06B8F2DD9D24C77F389D7B2B58D2
status: experimental
tags:
- attack.execution
- attack.t1204
ruletype: SIGMA