General

  • Target

    6e83d5dae916b6c88c9a3c93b6c7c55c5f582c2ecdaa97a89a0d8fc803e8113e

  • Size

    811KB

  • Sample

    240114-194laaddal

  • MD5

    6e1ad02bf816694f51cee197284676d7

  • SHA1

    d77d8bfef363dac6948ffd59041520e177884b42

  • SHA256

    6e83d5dae916b6c88c9a3c93b6c7c55c5f582c2ecdaa97a89a0d8fc803e8113e

  • SHA512

    4a29311f123e27773287264f82bf913b0a4cbc4424aae0c3d3bd4315f3b6a280f03ef1d1bc76e920238a66aa90b49d14eb3ed6804f0450491546d093ea47bab4

  • SSDEEP

    12288:sJV6RP01LjFq2cSOW/XGXsMUBtB6yOKxipkRJJ9DsJYTM9rH+kVg4G18Tt:HINcC2X+t8nKxipkDJOH9rH+H1G

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

      6e83d5dae916b6c88c9a3c93b6c7c55c5f582c2ecdaa97a89a0d8fc803e8113e

    • Size

      811KB

    • MD5

      6e1ad02bf816694f51cee197284676d7

    • SHA1

      d77d8bfef363dac6948ffd59041520e177884b42

    • SHA256

      6e83d5dae916b6c88c9a3c93b6c7c55c5f582c2ecdaa97a89a0d8fc803e8113e

    • SHA512

      4a29311f123e27773287264f82bf913b0a4cbc4424aae0c3d3bd4315f3b6a280f03ef1d1bc76e920238a66aa90b49d14eb3ed6804f0450491546d093ea47bab4

    • SSDEEP

      12288:sJV6RP01LjFq2cSOW/XGXsMUBtB6yOKxipkRJJ9DsJYTM9rH+kVg4G18Tt:HINcC2X+t8nKxipkDJOH9rH+H1G

    • 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