General

  • Target

    59c0177643779444e51a54f10e3aefaa1849b0dd8e8c9d4b18e62f153a8decb7

  • Size

    832KB

  • Sample

    240114-19exxsecc7

  • MD5

    cea0a866170628872d7005075d21d53c

  • SHA1

    62e1130b5f8ceac4319411a88f99edd4ec34e7de

  • SHA256

    59c0177643779444e51a54f10e3aefaa1849b0dd8e8c9d4b18e62f153a8decb7

  • SHA512

    62158e1c7dd966b3ba8af87e5f0d4e012c3267d48fd7dc731c7f7d24fe0cba2921f43cc68c194d3153879f5ac200cf3159a4ff34dc4ffe47b9468290a62fd458

  • SSDEEP

    12288:zByfvgQflKMWCKkJet0TPJlXn7VG0QWomYJ5LkOecH+6XYstKP8276PdbW1n2/IJ:q1fEL7dOnnIdXr7H+6In376xW1nsdy

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

      59c0177643779444e51a54f10e3aefaa1849b0dd8e8c9d4b18e62f153a8decb7

    • Size

      832KB

    • MD5

      cea0a866170628872d7005075d21d53c

    • SHA1

      62e1130b5f8ceac4319411a88f99edd4ec34e7de

    • SHA256

      59c0177643779444e51a54f10e3aefaa1849b0dd8e8c9d4b18e62f153a8decb7

    • SHA512

      62158e1c7dd966b3ba8af87e5f0d4e012c3267d48fd7dc731c7f7d24fe0cba2921f43cc68c194d3153879f5ac200cf3159a4ff34dc4ffe47b9468290a62fd458

    • SSDEEP

      12288:zByfvgQflKMWCKkJet0TPJlXn7VG0QWomYJ5LkOecH+6XYstKP8276PdbW1n2/IJ:q1fEL7dOnnIdXr7H+6In376xW1nsdy

    • 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