2016-10-17 - SUNDOWN EK FROM 37.139.47.53 SENDS LOCKY RANSOMWARE

ASSOCIATED FILES:

  • 2016-10-17-Sundown-EK-sends-Locky-ransomware.pcap   (399,867 bytes)
  • 2016-10-17-Locky_HOWDO_text.bmp   (149,158 bytes)
  • 2016-10-17-Locky_HOWDO_text.html   (9,899 bytes)
  • 2016-10-17-Sundown-EK-flash-exploit.swf   (71,545 bytes)
  • 2016-10-17-Sundown-EK-landing-page.txt   (21,005 bytes)
  • 2016-10-17-Sundown-EK-payload-Locky.exe   (250,880 bytes)

 

NOTES:

 

BACKGROUND ON SUNDOWN EK:

 

TRAFFIC


Shown above:  Infection traffic filtered in Wireshark.

 

INITIAL WEBSITE AND AD TRAFFIC CHAIN:

GATE:

SUNDOWN EK:

 

FILE HASHES

FLASH EXPLOIT:

PAYLOAD (LOCKY):

 

IMAGES


Shown above:  Notable alerts on the traffic in Snort using the Snort subscriber ruleset.

 


Shown above:  Notable alerts on the infection traffic in Security Onion using Suricata and the EmergingThreats Pro ruleset.

 


Shown above:  Desktop of an infected Windows host after rebooting.

 

FINAL NOTES

Once again, here are the associated files:

ZIP files are password-protected with the standard password.  If you don't know it, look at the "about" page of this website.

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