Rig Exploit Kit via EITEST delivers Crypt2 ransomware C2 5.39.93.43
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:
- 2016-10-15-Rig-EK.swf
Virus Total Link - 2016-10-15-ACD5.tmp
Virus Total Link