General

  • Target

    b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd

  • Size

    797KB

  • Sample

    240408-3e5k7sac71

  • MD5

    e2e64a51c373e21d8d819c0346aac7da

  • SHA1

    bbf71f5220595550a7c353d0431da1e8d6418ccd

  • SHA256

    b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd

  • SHA512

    d28233e17aff1c5cfa481d2682ee5d6f918fefca281c238ddac6129c290a4191f86faeeb2014042899ba28db6c214f48fa59094ef3ab13291ff5c456219da630

  • SSDEEP

    12288:52wkFILqBuA0Jct2R1a1mz0D2TlqGYxngKSKwyJRQSns:9kFQq2ct2m1mz0Dyw8fKRESns

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes
  • extension

    .uajs

  • offline_id

    Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1

  • payload_url

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

    http://sajdfue.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/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 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: 0859PsawqS

rsa_pubkey.plain

Targets

    • Target

      b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd

    • Size

      797KB

    • MD5

      e2e64a51c373e21d8d819c0346aac7da

    • SHA1

      bbf71f5220595550a7c353d0431da1e8d6418ccd

    • SHA256

      b5ce13b7b450192421bb44dc099be4d3c42ee6322064c6b3c5c17e74d18e93dd

    • SHA512

      d28233e17aff1c5cfa481d2682ee5d6f918fefca281c238ddac6129c290a4191f86faeeb2014042899ba28db6c214f48fa59094ef3ab13291ff5c456219da630

    • SSDEEP

      12288:52wkFILqBuA0Jct2R1a1mz0D2TlqGYxngKSKwyJRQSns:9kFQq2ct2m1mz0Dyw8fKRESns

    • 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