General

  • Target

    145dc0c73385f6c3e3fb0ba62ae09f18961da67d21eb6571bc06354926c2274b

  • Size

    787KB

  • Sample

    240426-27k7laeh6z

  • MD5

    2b35bc4e9fdd12520fe7e3920af03851

  • SHA1

    b63e8733d3e7aaf941a2a150debb79c98a331d4e

  • SHA256

    145dc0c73385f6c3e3fb0ba62ae09f18961da67d21eb6571bc06354926c2274b

  • SHA512

    9ccbd30f834ff4ba36acc087b09551e7f3d3d13e9bd5923a6555df171caf50779ddaa7821fa58a50d51b76aa6b387eeb079eadd1ab01c859ffd5ea5bde52e1b1

  • SSDEEP

    12288:CEaK7c5WQWSo/E9NDl9xr9NaQZiwwZ/OPLteD/P7zDQDfa4yA1I+gK:y5WxShT9JlswwZ/zDifa3A1Iv

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgjs

  • offline_id

    Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1

  • 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/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 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: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      145dc0c73385f6c3e3fb0ba62ae09f18961da67d21eb6571bc06354926c2274b

    • Size

      787KB

    • MD5

      2b35bc4e9fdd12520fe7e3920af03851

    • SHA1

      b63e8733d3e7aaf941a2a150debb79c98a331d4e

    • SHA256

      145dc0c73385f6c3e3fb0ba62ae09f18961da67d21eb6571bc06354926c2274b

    • SHA512

      9ccbd30f834ff4ba36acc087b09551e7f3d3d13e9bd5923a6555df171caf50779ddaa7821fa58a50d51b76aa6b387eeb079eadd1ab01c859ffd5ea5bde52e1b1

    • SSDEEP

      12288:CEaK7c5WQWSo/E9NDl9xr9NaQZiwwZ/OPLteD/P7zDQDfa4yA1I+gK:y5WxShT9JlswwZ/zDifa3A1Iv

    • 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