title: NotPetya Ransomware Activity
status: experimental
description: Detects NotPetya ransomware activity in which the extracted passwords are passed back to the main module via named pipe, the file system journal of drive C is deleted and windows eventlogs are cleared using wevtutil
author: Florian Roth, Tom Ueltschi
references:
    - https://securelist.com/schroedingers-petya/78870/
    - https://www.hybrid-analysis.com/sample/64b0b58a2c030c77fdb2b537b2fcc4af432bc55ffb36599a31d418c7c69e94b1?environmentId=100
tags:
    - attack.execution
    - attack.credential_access
    - attack.defense_evasion
    - attack.t1085
    - attack.t1070
    - attack.t1003
logsource:
    product: windows
    service: sysmon
detection:
    fsutil_clean_journal:
        EventID: 1
        Image: '*\fsutil.exe'
        CommandLine: '* deletejournal *'        
    pipe_com:
        EventID: 1
        CommandLine: '*\AppData\Local\Temp\* \\.\pipe\*'
    event_clean:
        EventID: 1
        Image: '*\wevtutil.exe'
        CommandLine: '* cl *'
    rundll32_dash1:
        EventID: 1
        Image: '*\rundll32.exe'
        CommandLine: '*.dat,#1'       
    perfc_keyword:
        - '*\perfc.dat*'
    condition: 1 of them
fields:
    - CommandLine
    - ParentCommandLine
falsepositives:
    - Admin activity
level: critical