General

  • Target

    7cb2404fa999ff73f52f546d050cb2dac937b38d6a02849300b2825f13ccd668

  • Size

    823KB

  • Sample

    240115-fh8eyahfhj

  • MD5

    2ef95cac7a29f753ddd6722ad578638b

  • SHA1

    ae4b034b625e18192d3f1e4da6a06c56e9241848

  • SHA256

    7cb2404fa999ff73f52f546d050cb2dac937b38d6a02849300b2825f13ccd668

  • SHA512

    08335b9087c9d642935db87223b9a7e6ada2ff9f7a3b4431e7a0200112d11dfe51e0fd0931694a98eba48ee881eefcee37c51bb83892a3b7f9e05b7b38f5d31c

  • SSDEEP

    12288:Bu4Z0Rr/foApQ8BpUlsVHZ/w6P/VAspkABjeBjWtsHVj9OQBNemak+W9lPJ:Bu4aRjfLzBpysPCqkGqjWt+pBema30x

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdwe

  • offline_id

    dSwr1XNNi5cIitB5eDPbMANcusB1dWGDB8ToUnt1

  • payload_url

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

    http://zexeq.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. You can get and look video overview decrypt tool: https://we.tl/t-e21iz7dS58 Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0842ASdw

rsa_pubkey.plain

Targets

    • Target

      7cb2404fa999ff73f52f546d050cb2dac937b38d6a02849300b2825f13ccd668

    • Size

      823KB

    • MD5

      2ef95cac7a29f753ddd6722ad578638b

    • SHA1

      ae4b034b625e18192d3f1e4da6a06c56e9241848

    • SHA256

      7cb2404fa999ff73f52f546d050cb2dac937b38d6a02849300b2825f13ccd668

    • SHA512

      08335b9087c9d642935db87223b9a7e6ada2ff9f7a3b4431e7a0200112d11dfe51e0fd0931694a98eba48ee881eefcee37c51bb83892a3b7f9e05b7b38f5d31c

    • SSDEEP

      12288:Bu4Z0Rr/foApQ8BpUlsVHZ/w6P/VAspkABjeBjWtsHVj9OQBNemak+W9lPJ:Bu4aRjfLzBpysPCqkGqjWt+pBema30x

    • Detect Vidar Stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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