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General

  • Target

    JC_41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59

  • Size

    777KB

  • Sample

    230901-xlwzrahb95

  • MD5

    45ec667b1e6b1e7f92608c94f91fbdfd

  • SHA1

    1519aaf933400864aed018c3cb9af6f9aa1d4746

  • SHA256

    41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59

  • SHA512

    e5df3e47d8c527c393860f5006b328b2b39fe2ded8ce8b51bc9c301c90a248c19ed907d0a9053e48ec44423eb15e7c3cef9bc17a7ee73b4ae52362685a763c10

  • SSDEEP

    24576:wtAe/CaDTMHnuuPJzzEpeMZFfejiZ8QXnZ:wtAmRQHuMJiPmjiZ7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wzoq

  • 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: 0767zSjfr

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor

https://steamcommunity.com/profiles/76561199545993403

Attributes
  • profile_id_v2

    25f5344bfcb62e75b7946c3a681aec54

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

    • Target

      JC_41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59

    • Size

      777KB

    • MD5

      45ec667b1e6b1e7f92608c94f91fbdfd

    • SHA1

      1519aaf933400864aed018c3cb9af6f9aa1d4746

    • SHA256

      41a18988ec6d1e28615f0598da03996c01ca2f3d6841318723858c07e1f63e59

    • SHA512

      e5df3e47d8c527c393860f5006b328b2b39fe2ded8ce8b51bc9c301c90a248c19ed907d0a9053e48ec44423eb15e7c3cef9bc17a7ee73b4ae52362685a763c10

    • SSDEEP

      24576:wtAe/CaDTMHnuuPJzzEpeMZFfejiZ8QXnZ:wtAmRQHuMJiPmjiZ7

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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