Rig-V Exploit Kit via pseudoDarkleech from 81.177.139.122 delivers Cerber ransomware

NOTES:

  • Today I captured traffic from the latest version of Cerber ransomware. The ransomware was delivered via the pseudoDarkleech campaign with use of the Rig Exploit Kit.
  • Presently there are 3 versions of the Rig Exploit Kit. For more details on the versions see malware-traffic-analysis.net

Thanks!! to @CyberScimitar for sharing information on compromised site.

I have added a zipped pcap file for your analysis. The password for the zipped pcap is infected all lowercase.

PCAP file of the infection traffic:
2017-01-13-Rig-EK-pcap.zip

 

ASSOCIATED DOMAINS AND IP ADDRESSES:

  • bbqsingapore.sg – COMPROMISED SITE
  • 81.177.139.122 – acc.shoretel.news – RIG-V LANDING PAGE
  • 193.201.224.34 – p27dokhpz2n7nvgr.16gjpm.top – CERBER POST INFECT TRAFFIC
  • 97.15.12.0 – 97.15.12.32 – UDP Destination Port 6893 – CERBER POST INFECT TRAFFIC
  • 97.2.48.0 – 97.2.48.31 – UDP Destination Port 6893 – CERBER POST INFECT TRAFFIC
  • 91.239.24.0 – 91.239.25.255 – UDP Destination Port 6893 – CERBER POST INFECT TRAFFIC

 

IMAGES AND DETAILS OF INFECTION CHAIN:

Shown above: Network traffic  associated with the Rig-V exploit and Cerber ransomware infection

 

Shown above: Injected script found on index page of compromised site which redirects visitor to the Rig-V EK landing page to start infection chain – Web page source code can be found by right clicking on web page and selecting “View source”

 

Shown above: Infected host desktop ransom note and payment instructions associated with Cerber Ransomware

 

MALICIOUS PAYLOAD ASSOCIATED WITH RIG EXPLOIT: