2016-05-18 - PSEUDO-DARKLEECH ANGLER EK FROM 188.138.70[.]181 SENDS CRYPTXXX RANSOMWARE

NOTICE:

• The zip archives on this page have been updated, and they now use the new password scheme.  For the new password, see the "about" page of this website.

ASSOCIATED FILES:

• 2016-05-18-pseudo-Darkleech-Angler-EK-sends-CryptXXX-ransomware.pcap.zip   1.1 MB (1,108,949 bytes)

• 2016-05-18-pseudo-Darkleech-Angler-EK-sends-CryptXXX-ransomware.pcap   (1,266,617 bytes)

• 2016-05-18-pseudo-Darkleech-Angler-EK-and-CryptXXX-ransomware-files.zip   333.9 kB (333,906 bytes)

• 2016-05-18-CryptXXX-ransomware-decrypt-instructions.bmp   (3,686,454 bytes)
• 2016-05-18-CryptXXX-ransomware-decrypt-instructions.html   (14,190 bytes)
• 2016-05-18-CryptXXX-ransomware-decrypt-instructions.txt   (1,755 bytes)
• 2016-05-18-CryptXXX-ransomware.dll   (303,104 bytes)
• 2016-05-18-page-from-hooked-on-nails_com-with-injected-pseudo-Darkleech-script.txt   (30,069 bytes)
• 2016-05-18-pseudo-Darkleech-Angler-EK-flash-exploit.swf   (66,879 bytes)
• 2016-05-18-pseudo-Darkleech-Angler-EK-landing-page.txt   (171,358 bytes)

 

NOTES:

• Background on the pseudo-Darkleech campaign is available here.
• Proofpoint's blog on Angler EK spreading CryptXXX can be found here.
• An ISC diary I wrote about pseudo-Darkleech causing Angler EK/Bedep/CryptXXX infections is located here.
• A follow-up from Proofpoint about CryptXXX is here

• Thanks to @BiebsMalwareGuy for the original tweet on this.

 

Shown above:  Tweet near the end of April 2016 about today's compromised website.

 

Shown above:  Chain of events for today's infection.

 

TRAFFIC

Shown aboe:  Pcap of the traffic on a normal host filtered in Wireshark.   http.request or (tcp.port eq 443 and tcp.flags eq 0x0002)

 

ASSOCIATED DOMAINS:

• 188.138.70[.]181 port 80 - plotow-familycontract.unishadeverticalsystem[.]co[.]uk - Angler EK
• 144.76.82[.]19 port 443 - post-infection traffic from today's CryptXXX ransomware (custom encoded)

 

IMAGES

Shown above:  Start of injected pseudo-Darkleech script from the compromised website.

 

Shown above:  Infected host after rebooting it to get past the lock screen.

 

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