General

  • Target

    JaffaCakes118_1fee8e2da2d002444a602391a4dc1b7b

  • Size

    815KB

  • Sample

    241231-q6txkatjcx

  • MD5

    1fee8e2da2d002444a602391a4dc1b7b

  • SHA1

    c141c05103bfd6464ae59a0f5b194b4d8eba8598

  • SHA256

    3f23068954a420723036b05e95eb7f3d0cfcae0c4e71ce3f09dc99203c074083

  • SHA512

    f48d534843b110b69bf0a45cc9b1f7fb6c037fe2eca46f838344e0a00b033f53e0783bf881f338bf15e25ea431097ae1c1a67d0831ef338b9d8743089b2b0fdb

  • SSDEEP

    12288:Whb8E/vK17prPrtM9zDJWP2Rl7+rxFUo26JbkoOF+1zV7iDOeJCyu8+AztGGbJNH:c4my1L592gxFU2kGhcCX9E5Il

Malware Config

Extracted

Family

djvu

C2

http://rlrz.org/fhsgtsspen6/get.php

Attributes
  • extension

    .irjg

  • offline_id

    xcdIdDNFh62dy3iJsba1COhcfDENsbjPHQQ2Eht1

  • payload_url

    http://znpst.top/dl/build2.exe

    http://rlrz.org/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. You can get and look video overview decrypt tool: https://we.tl/t-xl2bbDnZSN Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0338gSd743d

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_1fee8e2da2d002444a602391a4dc1b7b

    • Size

      815KB

    • MD5

      1fee8e2da2d002444a602391a4dc1b7b

    • SHA1

      c141c05103bfd6464ae59a0f5b194b4d8eba8598

    • SHA256

      3f23068954a420723036b05e95eb7f3d0cfcae0c4e71ce3f09dc99203c074083

    • SHA512

      f48d534843b110b69bf0a45cc9b1f7fb6c037fe2eca46f838344e0a00b033f53e0783bf881f338bf15e25ea431097ae1c1a67d0831ef338b9d8743089b2b0fdb

    • SSDEEP

      12288:Whb8E/vK17prPrtM9zDJWP2Rl7+rxFUo26JbkoOF+1zV7iDOeJCyu8+AztGGbJNH:c4my1L592gxFU2kGhcCX9E5Il

    • 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