2016-07-20 - PSEUDO-DARKLEECH NEUTRINO EK SENDS CRYPTXXX RANSOMWARE

ASSOCIATED FILES:

  • 2016-07-19-pseudoDarkleech-Neutrino-EK-sends-CryptXXX-ransomware.pcap   (1,034,041 bytes)
  • 2016-07-20-pseudoDarkleech-Neutrino-EK-sends-CryptXXX-ransomware.pcap   (722,245 bytes)
  • 2016-07-19-page-from-naprawaokienpcv.pl-with-injected-script.txt   (6,446 bytes)
  • 2016-07-19-pseudoDarkleech-CryptXXX-decrypt-instructions.BMP   (3,686,454 bytes)
  • 2016-07-19-pseudoDarkleech-CryptXXX-decrypt-instructions.HTML   (15,354 bytes)
  • 2016-07-19-pseudoDarkleech-Neutrino-EK-flash-exploit.swf   (87,782 bytes)
  • 2016-07-19-pseudoDarkleech-Neutrino-EK-landing-page.txt   (3,805 bytes)
  • 2016-07-19-pseudoDarkleech-Neutrino-EK-payload-CryptXXX.dll   (365,056 bytes)
  • 2016-07-20-page-from-naprawaokienpcv.pl-with-injected-script.txt   (6,392 bytes)
  • 2016-07-20-pseudoDarkleech-Neutrino-EK-flash-exploit.swf   (91,699 bytes)
  • 2016-07-20-pseudoDarkleech-Neutrino-EK-landing-page.txt   (3,821 bytes)
  • 2016-07-20-pseudoDarkleech-Neutrino-EK-payload-CryptXXX.dll   (596,480 bytes)

NOTES:

 


Shown above:  Flowchart for this infection traffic.

 

TRAFFIC


Shown above:  Injected script in page from compromised website from 2016-07-19.

 


Shown above:  Traffic from the 2016-07-20 pcap filtered in Wireshark.   Filter:  http.request or (!(tcp.port eq 80) and tcp.flags eq 0x0002))

 


Shown above:  Traffic from the 2016-07-19 pcap filtered in Wireshark.

 

ASSOCIATED DOMAINS:

DOMAINS FROM THE DECRYPT INSTRUCTIONS:

 

FILE HASHES

FLASH FILES:

PAYLOADS:

 

IMAGES


Shown above:  The CryptXXX .dll file loaded during the infection on 2016-07-19.

NOTE: Both infections (one from July 19th and one from July 20th) used MMS0 as the entry point when loading the CryptXXX DLL file.  But I was unable to get the sample from the 20th to generate any post-infection activity.

 


Shown above:  An infected Windows host from the 2016-07-19 sample 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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