Rig Exploit Kit via EITEST delivers Crypt2 ransomware C2 5.39.93.43

by Analysis in EITEST

NOTES:

  • Today I captured traffic from the Rig Exploit Kit (EK) which delivered Crypt2  ransomware via the EITEST campaign.
  • The EiTest campaign was last seen delivering Crypt2 ransomware on October 5th, 2016 before switching to Cerber ransomware.
  • Once again thanks to @CyberScimitar for finding and sharing 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:
2016-10-17-Rig-EK-2-pcap.zip

 

ASSOCIATED DOMAINS AND IP ADDRESSES:

  • www.thescarefactor.com – COMPROMISED SITE
  • 195.133.201.121 – add.francafranca.com – RIG EK LANDING PAGE
  • 5.39.93.43 – GET /index.jpg – CRYPT2 COMMAND and CONTROL
  • 5.39.93.43 – POST /u/affer.php – CRYPT2 COMMAND and CONTROL

ASSOCIATED EMAILS FOR RANSOM PAYMENT:

E-MAIL1: enc6@usa.com
E-MAIL2: enc6@dr.com

 

IMAGES AND DETAILS OF ORIGINAL INFECTION CHAIN:

Shown above: Network traffic  associated with the Rig exploit and the delivery of Crypt2 ransomware

 

Shown above: Injected script found on index page of compromised site which redirects visitor to the Rig 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: HELP_DECRYPT_YOUR_FILES.TXT ransom note and payment instruction associated with Crypt2 ransomware

 

MALICIOUS PAYLOAD ASSOCIATED WITH RIG EXPLOIT:

 

 

 

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