Emerging Threatcriticaltest
NotPetya Ransomware Activity
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
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Florian Roth (Nextron Systems), Tom UeltschiCreated Wed Jan 16Updated Thu Dec 1579aeeb41-8156-4fac-a0cd-076495ab82a12017
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 Logic3 selectors
detection:
selection_specific_pattern:
CommandLine|contains:
- 'wevtutil cl Application & fsutil usn deletejournal /D C:'
- 'dllhost.dat %WINDIR%\ransoms'
selection_rundll32:
Image|endswith: '\rundll32.exe'
CommandLine|endswith:
- '.dat,#1'
- '.dat #1' # Sysmon removes comma
- '.zip.dll",#1'
selection_perfc_keyword:
- '\perfc.dat'
condition: 1 of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
CAR Analytics
2016-04-002 · CAR 2016-04-002
Other
detection.emerging-threats
Rule Metadata
Rule ID
79aeeb41-8156-4fac-a0cd-076495ab82a1
Status
test
Level
critical
Type
Emerging Threat
Created
Wed Jan 16
Modified
Thu Dec 15
Path
rules-emerging-threats/2017/Malware/NotPetya/proc_creation_win_malware_notpetya.yml
Raw Tags
attack.defense-evasionattack.t1218.011attack.t1070.001attack.credential-accessattack.t1003.001car.2016-04-002detection.emerging-threats