52 lines
1.3 KiB
YAML
52 lines
1.3 KiB
YAML
|
|
title: NotPetya Ransomware Activity
|
|
ruletype: Sigma
|
|
author: Florian Roth, Tom Ueltschi
|
|
date: 2019/01/16
|
|
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
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
CommandLine: '*\AppData\Local\Temp\\*'
|
|
SELECTION_3:
|
|
CommandLine: '*\\.\pipe\\\*'
|
|
SELECTION_4:
|
|
Image: '*\rundll32.exe'
|
|
SELECTION_5:
|
|
CommandLine:
|
|
- '*.dat,#1'
|
|
- '*.dat #1'
|
|
SELECTION_6:
|
|
- \perfc.dat
|
|
condition: (SELECTION_1 and ((SELECTION_2 and SELECTION_3) or (SELECTION_4 and SELECTION_5)
|
|
or SELECTION_6))
|
|
falsepositives:
|
|
- Admin activity
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
id: 79aeeb41-8156-4fac-a0cd-076495ab82a1
|
|
level: critical
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
modified: 2021/12/08
|
|
references:
|
|
- https://securelist.com/schroedingers-petya/78870/
|
|
- https://www.hybrid-analysis.com/sample/64b0b58a2c030c77fdb2b537b2fcc4af432bc55ffb36599a31d418c7c69e94b1?environmentId=100
|
|
status: test
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1218.011
|
|
- attack.execution
|
|
- attack.t1085
|
|
- attack.t1070.001
|
|
- attack.t1070
|
|
- attack.credential_access
|
|
- attack.t1003.001
|
|
- attack.t1003
|
|
- car.2016-04-002
|