SigmaHQ/rules/windows/malware/win_mal_darkside.yml
2021-05-15 13:19:12 +02:00

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YAML

title: DarkSide Ransomware Pattern
id: 965fff6c-1d7e-4e25-91fd-cdccd75f7d2c
author: Florian Roth
date: 2021/05/14
description: Detects DarkSide Ransomware and helpers
status: experimental
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
logsource:
category: process_creation
product: windows
detection:
selection1:
CommandLine|contains:
- "=[char][byte]('0x'+"
- ' -work worker0 -path '
selection2:
ParentCommandLine|contains:
- 'DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}'
Image|contains:
- '\AppData\Local\Temp\'
condition: 1 of them
falsepositives:
- Unknown
- UAC bypass method used by other malware
level: critical