General

  • Target

    f8e36ed17fff6a32fa8b0ee1b78387cfa16c730e7f003aa08ba592a40894ac5a

  • Size

    777KB

  • Sample

    230826-nh27xshg22

  • MD5

    7c801e83a09df304361fcbfdaf545647

  • SHA1

    826cb2e5229dbd3557e7e74149de0c753a4c418b

  • SHA256

    f8e36ed17fff6a32fa8b0ee1b78387cfa16c730e7f003aa08ba592a40894ac5a

  • SHA512

    5677ad91f521929d93e85ea6926458b5aea361b8cb6aa01b9738eae7f789a5a89be2a2a38c6ebea884ae14976b166e564f0355266f297be092c9597e56ba1165

  • SSDEEP

    12288:Ny9uWVFsRj5I7PtHx1/wmjTQ7hKUpFpuN8wvLfmrnU2NJOgFDNVlmy:NQ7imPNNTGRpk8wvLfmLhNJOOlmy

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wzqw

  • offline_id

    pGPY4MKNHaEeN9pLKNW37rI0mblzUZFtPsjZ8Ht1

  • payload_url

    http://colisumy.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-E3ktviSmlG 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: 0765zSjfr

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.3

Botnet

562ce294a991b18054802a17b24ce0f9

C2

https://t.me/buukcay

https://steamcommunity.com/profiles/76561199544211655

Attributes
  • profile_id_v2

    562ce294a991b18054802a17b24ce0f9

Targets

    • Target

      f8e36ed17fff6a32fa8b0ee1b78387cfa16c730e7f003aa08ba592a40894ac5a

    • Size

      777KB

    • MD5

      7c801e83a09df304361fcbfdaf545647

    • SHA1

      826cb2e5229dbd3557e7e74149de0c753a4c418b

    • SHA256

      f8e36ed17fff6a32fa8b0ee1b78387cfa16c730e7f003aa08ba592a40894ac5a

    • SHA512

      5677ad91f521929d93e85ea6926458b5aea361b8cb6aa01b9738eae7f789a5a89be2a2a38c6ebea884ae14976b166e564f0355266f297be092c9597e56ba1165

    • SSDEEP

      12288:Ny9uWVFsRj5I7PtHx1/wmjTQ7hKUpFpuN8wvLfmrnU2NJOgFDNVlmy:NQ7imPNNTGRpk8wvLfmLhNJOOlmy

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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