General

  • Target

    bce72535b8dfbb5eb44507956b9795e4331b2f991147902938d9c631fe0515b2.exe

  • Size

    766KB

  • Sample

    250108-ykqa9atkak

  • MD5

    2cb8c190f4cc23501bc6965d9d762977

  • SHA1

    3b6f667d28eec165a2ccfaed4fb3cf87084b06ed

  • SHA256

    bce72535b8dfbb5eb44507956b9795e4331b2f991147902938d9c631fe0515b2

  • SHA512

    295dee006e2d991ffc6b8016a02a2e171973552527bfa3c040f91aabb46c2233c62dbf41dec0d97db61ac1f145c875f79a3bfa28c09b74c1ed23016abd729697

  • SSDEEP

    12288:nKDiXNmHNpcGWH69SIW5JBvOwcMBl4tT5jVXctOpctHni7LEwvn:nMiXNKNpM6jW5JDcIit+OpAHUEw/

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

      bce72535b8dfbb5eb44507956b9795e4331b2f991147902938d9c631fe0515b2.exe

    • Size

      766KB

    • MD5

      2cb8c190f4cc23501bc6965d9d762977

    • SHA1

      3b6f667d28eec165a2ccfaed4fb3cf87084b06ed

    • SHA256

      bce72535b8dfbb5eb44507956b9795e4331b2f991147902938d9c631fe0515b2

    • SHA512

      295dee006e2d991ffc6b8016a02a2e171973552527bfa3c040f91aabb46c2233c62dbf41dec0d97db61ac1f145c875f79a3bfa28c09b74c1ed23016abd729697

    • SSDEEP

      12288:nKDiXNmHNpcGWH69SIW5JBvOwcMBl4tT5jVXctOpctHni7LEwvn:nMiXNKNpM6jW5JDcIit+OpAHUEw/

    • 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