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General

  • Target

    ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d

  • Size

    698KB

  • Sample

    230627-d45j3adg91

  • MD5

    d5ddfbff203482be85854b64683506d5

  • SHA1

    8be359858d2a4ece58df8c15cf414e6101509bfd

  • SHA256

    ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d

  • SHA512

    6a43ec094109f3fcfb6505655f96206e3f10360ff3c6eb47b085ee45384d26fdcfd485187eaffdbfda00b1d2650e4424343e40182294051c23e89462ea2c65fd

  • SSDEEP

    12288:QNynOGpYsIozCMNc2G7PMje93E9VD5ijthnw/MdzldHKJ3ao8ZJ9:Q8OGpYABNC7PpNqnijtNDq9Z8V

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tghz

  • offline_id

    hZRMDGn2o1XdryxaQbOJI60EuHBvAbPnWEccdDt1

  • 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-OQnsJqCOOl 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: 0732SwOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.4

Botnet

153ce668f1e21829c936c2b11fa4d869

C2

https://steamcommunity.com/profiles/76561199235044780

https://t.me/headlist

Attributes
  • profile_id_v2

    153ce668f1e21829c936c2b11fa4d869

  • user_agent

    Mozilla/5.0 (Linux; Android 7.0; Pixel C Build/NRD91D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Safari/537.36

Targets

    • Target

      ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d

    • Size

      698KB

    • MD5

      d5ddfbff203482be85854b64683506d5

    • SHA1

      8be359858d2a4ece58df8c15cf414e6101509bfd

    • SHA256

      ae779315a072a6f90c5b92b849f10d806d008342c317a8e1015673a9621d7f9d

    • SHA512

      6a43ec094109f3fcfb6505655f96206e3f10360ff3c6eb47b085ee45384d26fdcfd485187eaffdbfda00b1d2650e4424343e40182294051c23e89462ea2c65fd

    • SSDEEP

      12288:QNynOGpYsIozCMNc2G7PMje93E9VD5ijthnw/MdzldHKJ3ao8ZJ9:Q8OGpYABNC7PpNqnijtNDq9Z8V

    • 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

    • Accesses cryptocurrency files/wallets, 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 v6

Tasks