2017-01-02 - PSEUDO-DARKLEECH RIG-V FROM 109.234.36[.]210 SENDS CERBER 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:

• 2017-01-02-pseudoDarkleech-Rig-V-sends-Cerber-ransomware.pcap.zip   808.0 kB (807,964 bytes)

• 2017-01-02-pseudoDarkleech-Rig-V-sends-Cerber-ransomware.pcap   (863,789 bytes)

• 2017-01-02-pseudoDarkleech-Rig-V-artifacts-and-Cerber-ransomware.zip   281.5 kB (281,467 bytes)

• 2017-01-02-page-from-joellipman_com-with-injected-pseudoDarkleech-script-1-of-2.txt   (67,556 bytes)
• 2017-01-02-page-from-joellipman_com-with-injected-pseudoDarkleech-script-2-of-2.txt   (67,483 bytes)
• 2017-01-02-pseudoDarkleech-Rig-V-artifact-OTTYUADAF.txt   (1,137 bytes)
• 2017-01-02-pseudoDarkleech-Rig-V-flash-exploit.swf   (24,390 bytes)
• 2017-01-02-pseudoDarkleech-Rig-V-landing-page-1-of-2.txt   (5,188 bytes)
• 2017-01-02-pseudoDarkleech-Rig-V-landing-page-2-of-2.txt   (5,190 bytes)
• 2017-01-02-pseudoDarkleech-Rig-V-payload-Cerber-ransomware.exe   (234,333 bytes)

BACKGROUND ON RIG EXPLOIT KIT:

• I'm routinely intercepting 2 versions of Rig EK as classified in an October 2016 blog post by Kafeine.
• Rig-V: a "VIP version" with new URL patterns and RC4 encryption for the payload.  Used by the Afraidgate, EITest, and pseudoDarkleech campaigns.
• Rig-E: a variant with old URL patterns, but uses with RC4 encryption for the payload.  Also known as Empire Pack.  I often see Rig-E used by the EITest campaign.

BACKGROUND ON THE PSEUDO-DARKLEECH CAMPAIGN:

• My most recent in-depth write-up on the pseudoDarkleech campaign can be found here.

Shown above:  Flowchart for this infection traffic.

 

TRAFFIC

Shown above:  Injected script in page from compromised website.

 

Shown above:  Traffic from the pcap filtered in Wireshark.

 

ASSOCIATED DOMAINS:

• joellipman[.]com - Compromised website
• 109.234.36[.]210 port 80 - free.infocom2016[.]org - Rig-V

 

FILE HASHES

RIG-V FLASH EXPLOIT:

• SHA256 hash:  c43905c44541b9b7d0be23e439d315c01d053860123d33be2c240e8900d3cfc3   (24,390 bytes)
  File description:  Rig-V Flash exploit seen on 2017-01-02

RIG-V PAYLOAD (CERBER):

• SHA256 hash:  f50bc9553c60980a74b5cfd800f939b8689d00eaaf690fb66bc93139461c88d7   (234,333 bytes)
  File location:  C:\Users\[username]\AppData\Local\Temp\radA4D85.tmp.exe

 

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