2016-09-23 - PSEUDO-DARKLEECH RIG EK FROM 74.208.147.73 SENDS CRYPMIC RANSOMWARE

ASSOCIATED FILES:

  • 2016-09-23-pseudoDarkleech-Rig-EK-sends-CrypMIC-first-run.pcap   (374,043 bytes)
  • 2016-09-23-pseudoDarkleech-Rig-EK-sends-CrypMIC-second-run.pcap   (200,381 bytes)
  • 2016-09-23-page-from-eborabus.com-with-injected-script.txt   (12,388 bytes)
  • 2016-09-23-page-from-formatexample.org-with-injected-script.txt   (52,848 bytes)
  • 2016-09-23-pseudoDarkleech-CrypMIC-decrypt-instructions.bmp   (3,276,854 bytes)
  • 2016-09-23-pseudoDarkleech-CrypMIC-decrypt-instructions.html   (238,156 bytes)
  • 2016-09-23-pseudoDarkleech-CrypMIC-decrypt-instructions.txt   (1,628 bytes)
  • 2016-09-23-pseudoDarkleech-Rig-EK-flash-exploit.swf   (25,513 bytes)
  • 2016-09-23-pseudoDarkleech-Rig-EK-landing-page-first-run.txt   (30,029 bytes)
  • 2016-09-23-pseudoDarkleech-Rig-EK-landing-page-second-run.txt   (30,029 bytes)
  • 2016-09-23-pseudoDarkleech-Rig-EK-payload-CrypMIC.exe   (51,200 bytes)

 

BACKGROUND ON THE PSEUDO-DARKLEECH CAMPAIGN:

 

BACKGROUND ON CRYPMIC RANSOMWARE:

 


Shown above:  Flowchart for today's traffic.  The first infection didn't have a gate.  The second infection did.

 

TRAFFIC


Shown above:  Injected pseudoDarkleech script in a page from the first compromised site points to Rig EK.

 


Shown above:  Traffic from the first pcap filtered in Wireshark.   Wireshark filter: http.request or (!(tcp.port eq 80) and tcp.flags eq 0x0002)

 


Shown above:  Injected script in page a from the second compromised site points to a gate.

 


Shown above:  The gate URL returns pseudoDarkleech script pointing to Rig EK.

 


Shown above:  Traffic from the second pcap filtered in Wireshark.   Wireshark filter: http.request or (!(tcp.port eq 80) and tcp.flags eq 0x0002)

 

FIRST RUN (WITHOUT GATE):

SECOND RUN (WITH GATE):

DOMAINS FROM THE DECRYPT INSTRUCTIONS:

 

FILE HASHES

FLASH EXPLOIT:

PAYLOAD:

 

IMAGES


Screenshot from one of the infected Windows hosts.

 

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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