General

  • Target

    6f017ce5d640d80fd0d66e73ebcfac88f60cb463813be6a96417040598f731a5.exe

  • Size

    695KB

  • Sample

    241226-d27lmswjgx

  • MD5

    55003980eb9dd9febae3b655f9ecfab2

  • SHA1

    0c3c46840f5cc4e8267ee121797a56eedefd12eb

  • SHA256

    6f017ce5d640d80fd0d66e73ebcfac88f60cb463813be6a96417040598f731a5

  • SHA512

    a89bb0fe852590f1600786799e55fd2ecaa47ad62d40e569ff23f5b1c185edab58acfafd9b0dff319d2cb2e88d9901fc86a039f36fd3f028565750cabc1cbd5a

  • SSDEEP

    12288:38ffVfT7CXB5JOJRH0LflFV0jXtYLYL7fhImKBZmjSLiA3DtrFFk3I:381ve5Je0zlFctZ/fVKBIjDATRk3I

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .held

  • offline_id

    vyhLHcV0DMKjS0CgDoJGF0yJ299laBK7lZQM9Tt1

  • payload_url

  • 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. 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: 0879held

rsa_pubkey.plain

Targets

    • Target

      6f017ce5d640d80fd0d66e73ebcfac88f60cb463813be6a96417040598f731a5.exe

    • Size

      695KB

    • MD5

      55003980eb9dd9febae3b655f9ecfab2

    • SHA1

      0c3c46840f5cc4e8267ee121797a56eedefd12eb

    • SHA256

      6f017ce5d640d80fd0d66e73ebcfac88f60cb463813be6a96417040598f731a5

    • SHA512

      a89bb0fe852590f1600786799e55fd2ecaa47ad62d40e569ff23f5b1c185edab58acfafd9b0dff319d2cb2e88d9901fc86a039f36fd3f028565750cabc1cbd5a

    • SSDEEP

      12288:38ffVfT7CXB5JOJRH0LflFV0jXtYLYL7fhImKBZmjSLiA3DtrFFk3I:381ve5Je0zlFctZ/fVKBIjDATRk3I

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Djvu 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