Emerging Threatcriticaltest

DarkSide Ransomware Pattern

Detects DarkSide Ransomware and helpers

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Launch
Florian Roth (Nextron Systems)Created Fri May 14965fff6c-1d7e-4e25-91fd-cdccd75f7d2c2021
Emerging Threat
Active Threat

Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.

Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic
Detection Logic2 selectors
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 selection*
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

UAC bypass method used by other malware

MITRE ATT&CK

Other

detection.emerging-threats
Rule Metadata
Rule ID
965fff6c-1d7e-4e25-91fd-cdccd75f7d2c
Status
test
Level
critical
Type
Emerging Threat
Created
Fri May 14
Path
rules-emerging-threats/2021/Malware/DarkSide/proc_creation_win_malware_darkside_ransomware.yml
Raw Tags
attack.executionattack.t1204detection.emerging-threats
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