General

  • Target

    3f4e5b8cd06936ac897e1c7ff571a37d2015a38fff7e616aa0f1e08593bf73ed

  • Size

    708KB

  • Sample

    240521-lvb56aha46

  • MD5

    fea87a6775adc44948e267f7bb1f8158

  • SHA1

    56e8d4d208a85ff736a6a1494cb3e65494650976

  • SHA256

    3f4e5b8cd06936ac897e1c7ff571a37d2015a38fff7e616aa0f1e08593bf73ed

  • SHA512

    ada66fe37f682e9eb8899fd7c22fcedb1a467027537d65b8d080144fd1cb4a3f50f277de4f2d35d25818940ed61b55f71017f63e003111751e7b9163721031fe

  • SSDEEP

    12288:tvVF+yLJCT5OBmTZEdTGDpNxjju+12pfMnR0M9aGI12qpnU:tvVFhLiemeqJRIVMRVa

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes
  • extension

    .vehu

  • offline_id

    EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://cajgtus.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0872PsawqS

rsa_pubkey.plain

Targets

    • Target

      3f4e5b8cd06936ac897e1c7ff571a37d2015a38fff7e616aa0f1e08593bf73ed

    • Size

      708KB

    • MD5

      fea87a6775adc44948e267f7bb1f8158

    • SHA1

      56e8d4d208a85ff736a6a1494cb3e65494650976

    • SHA256

      3f4e5b8cd06936ac897e1c7ff571a37d2015a38fff7e616aa0f1e08593bf73ed

    • SHA512

      ada66fe37f682e9eb8899fd7c22fcedb1a467027537d65b8d080144fd1cb4a3f50f277de4f2d35d25818940ed61b55f71017f63e003111751e7b9163721031fe

    • SSDEEP

      12288:tvVF+yLJCT5OBmTZEdTGDpNxjju+12pfMnR0M9aGI12qpnU:tvVFhLiemeqJRIVMRVa

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks