2017-05-16 - MORE EXAMPLES OF JAFF 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:

• 2017-05-16-Jaff-ransomware-traffic.pcap.zip   92.3 kB (92,253 bytes)

• 2017-05-16-Jaff-ransomware-malspam-traffic.pcap   (97,799 bytes)

• 2017-05-16-Jaff-ransomware-malspam-tracker.csv.zip   1.1 kB (1090 bytes)

• 2017-05-16-Jaff-ransomware-malspam-tracker.csv   (3,024 bytes)

• 2017-05-16-Jaff-ransomware-emails-and-malware.zip   1.2 MB (1,195,959 bytes)

• 2017-05-16-133459-UTC-Invoice.pdf   (52,399 bytes)
• 2017-05-16-141909-UTC-Invoice.pdf   (52,239 bytes)
• 2017-05-16-142344-UTC-Invoice.pdf   (52,322 bytes)
• 2017-05-16-142529-UTC-Invoice.pdf   (52,322 bytes)
• 2017-05-16-142819-UTC-Invoice.pdf   (52,322 bytes)
• 2017-05-16-143514-UTC-Invoice.pdf   (52,322 bytes)
• 2017-05-16-144044-UTC-Invoice.pdf   (52,322 bytes)
• 2017-05-16-145739-UTC-Invoice.pdf   (52,464 bytes)
• 2017-05-16-150804-UTC-Invoice.pdf   (52,439 bytes)
• 2017-05-16-155014-UTC-Invoice.pdf   (52,214 bytes)
• 2017-05-16-173344-UTC-Invoice.pdf   (52,185 bytes)
• 2017-05-16-182134-UTC-Invoice.pdf   (51,875 bytes)
• 2017-05-16-Jaff-Decryptor-index.css   (2,661 bytes)
• 2017-05-16-Jaff-Decryptor.html   (5,090 bytes)
• 2017-05-16-Jaff-ransomware-ReadMe.bmp   (3,145,782 bytes)
• 2017-05-16-Jaff-ransomware-ReadMe.html   (1,431 bytes)
• 2017-05-16-Jaff-ransomware-ReadMe.txt   (482 bytes)
• 2017-05-16-Jaff-ransomware-galaperidol8.exe   (147456 bytes)
• 2017-05-16-jaff-malspam-133459-UTC.eml   (71,787 bytes)
• GUMHSZUM.docm   (55,176 bytes)
• HBTEJ.docm   (55,154 bytes)
• HSOTN2JI.docm   (55,170 bytes)
• LNJ9DNIJ.docm   (55,187 bytes)
• U4HKZVPRL.docm   (55,175 bytes)
• UCER2Q.docm   (55,134 bytes)
• UTTNNVW6V.docm   (55,166 bytes)
• VEZLGKVC.docm   (55,155 bytes)

 

EMAIL

Shown above:  An example of the emails.

 

12 EMAIL EXAMPLES:

READ: DATE/TIME -- SUBJECT -- ATTACHMENT NAME -- SENDING ADDRESS (SPOOFED)

• 2017-05-16 13:34:59 UTC -- Your Invoice # 921212 -- Invoice.pdf -- "Courtney" <Courtney.messeena@styledoors[.]info>
• 2017-05-16 14:19:09 UTC -- Your Invoice # 878923 -- Invoice.pdf -- "Jeremiah" <Jeremiah.cogguns@ledomassage[.]nl>
• 2017-05-16 14:23:44 UTC -- Your Invoice # 654270 -- Invoice.pdf -- "Shelly" <Shelly.hullson@ariakarasanat[.]com>
• 2017-05-16 14:25:29 UTC -- Your Invoice # 87871 -- Invoice.pdf -- "Jodie" <Jodie.work@pisoria[.]com>
• 2017-05-16 14:28:19 UTC -- Your Invoice # 850914 -- Invoice.pdf -- "Blake" <Blake.sykes@vivacerveja[.]com[.]br>
• 2017-05-16 14:35:14 UTC -- Your Invoice # 62287 -- Invoice.pdf -- "Adrienne" <Adrienne.haddock@k2news[.]net>
• 2017-05-16 14:40:44 UTC -- Your Invoice # 24559 -- Invoice.pdf -- "Virgie" <Virgie.burke@spi[.]com[.]ar>
• 2017-05-16 14:57:39 UTC -- Your Invoice # 852594 -- Invoice.pdf -- "Krystal" <Krystal.doole@papa-ganda[.]net>
• 2017-05-16 15:08:04 UTC -- Your Invoice # 99499 -- Invoice.pdf -- "Laurie" <Laurie.devell@coveredwagon[.]ca>
• 2017-05-16 15:50:14 UTC -- Your Invoice # 08175 -- Invoice.pdf -- "Kristy" <Kristy.oglethorp@maloufimo[.]com>
• 2017-05-16 17:33:44 UTC -- Your Invoice # 927414 -- Invoice.pdf -- "Marlene" <Marlene.balmer@seniorsmarketplacenews[.]com>
• 2017-05-16 18:21:34 UTC -- Your Invoice # 376427 -- Invoice.pdf -- "Earlene" <Earlene.wyatville@gradinitamagica[.]ro>

 

MALWARE

Shown above:  As usual, the PDF attachment contains an embedded Word document with malicious macros.

 

SHA256 HASHES FOR THE ATTACHMENTS:

• 279bd153041b64966147eb7d036f570199e2d068c92746eb3e571d49fd7e3805 - Invoice.pdf
• 5b10d2ae464ec1b3c5d62d70d452d205419c0892fa2d21892767f8f30a6b8e98 - Invoice.pdf
• 5da7c8bf86dc71531b2cd34e565385dae7b080cde104e5abe29577ed03787a71 - Invoice.pdf
• 66c406bbe06a7804508e39eb3822b0a4f27b14a9d4c5dff970d559bcd88d6abc - Invoice.pdf
• 728174eddaf20492bfc3d85df3148aad3ff2677c88c901d727272c0f1aa4a0dd - Invoice.pdf
• 85640107aec9c21f6fdcf62ef79046aa57c18da35d29795febb7ac634165f93c - Invoice.pdf
• bd5cc7c63481cb6f54b8ddd3b459976021839119f2f57a2f60e52159ac0c184d - Invoice.pdf
• ebcdc058e4d7d7e2d9bcf59042c50814c335e3aa18b59f76a9eccc9918c78bb7 - Invoice.pdf

SHA256 HASHES FOR THE EMBEDDED WORD DOCUMENTS:

• 1bc1196f611d2c6e5bd904160354fe1374c39b907411a5a15592bbc80bd4c4c4 - VEZLGKVC.docm
• 349365e97bba0377c960894ddcdb9939e386b55e764b7d3f8257aa538866167d - LNJ9DNIJ.docm
• 4da60d4278f4996163f5ffa28196919369d4ca365245ce8c60dc46bd9d816667 - HSOTN2JI.docm
• 4ff07b88668dfc828f18859b84805aae9c06b485594d029e42c1b0c9255988e6 - U4HKZVPRL.docm
• 9c9e0e6900b82b14816ccd7dd3f3269c44bb752a63c63afe652feaf090c551c2 - UCER2Q.docm
• a7810d1b9d50e78157ee43d2c6f34dddd70f11bc0c76311a0e223fbd9ee20165 - HBTEJ.docm
• b8ddb998befb348bbc242ed66757b8024f4fceec1f5b5b145f8aac5874d9e81f - GUMHSZUM.docm
• d30b4f0c787794a838b3cf34bdaee77bc95f42fe84bef67c5283033ee4265111 - UTTNNVW6V.docm

JAFF RANSOMWARE SAMPLE:

• SHA256 hash:  387812ee2820cbf49812b1b229b7d8721ee37296f7b6018332a56e30a99e1092
  File size:  147,456 bytes
  File location:  C:\Users\[username]\AppData\Local\Temp\galaperidol8.exe

 

TRAFFIC

URLS FROM THE WORD MACROS TO DOWNLOAD JAFF RANSOMWARE:

• 34.209.214[.]237 port 80 - herrossoidffr6644qa[.]top - GET /af/Nbiyure3
• 194.58.119[.]16 port 80 - jsplast[.]ru - GET /Nbiyure3
• 80.150.6[.]143 port 80 - juvadent[.]de - GET /Nbiyure3
• 120.76.230[.]45 port 80 - opearl[.]net - GET /Nbiyure3
• 103.63.135[.]197 port 80 - playmindltd[.]com - GET /Nbiyure3
• 34.209.214[.]237 port 80 - sjffonrvcik45bd[.]info - GET /af/Nbiyure3
• 107.180.26[.]179 port 80 - tidytrend[.]com - GET /Nbiyure3
• 101.0.99[.]38 port 80 - titanmachinery[.]com[.]au - GET /Nbiyure3
• 92.245.188[.]95 port 80 - tomcarservice[.]it - GET /Nbiyure3
• 176.223.209[.]5 port 80 - ventrust[.]ro - GET /Nbiyure3
• 188.65.115[.]35 port 80 - vipan-photography[.]com - GET /Nbiyure3
• 107.180.48[.]250 port 80 - wizbam[.]com - GET /Nbiyure3

 

JAFF RANSOMWARE POST-INFECTION TRAFFIC:

• 47.91.107[.]213 port 80 eesiiuroffde445[.]com - GET /a5/
• rktazuzi7hbln7sy[.]onion - Tor domain for Jaff Decryptor (same as the last few times)

 

Traffic from the infection filtered in Wireshark.

 

HTTP request for the Jaff ransomware.

 

Post-infection traffic from the infected Windows host.

 

IMAGES

Shown above:  Desktop of an infected Windows host.

 

Shown above:  Going to the Jaff Decryptor.

 

FINAL NOTES

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