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General

  • Target

    fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3

  • Size

    731KB

  • Sample

    230321-nz2byscb2z

  • MD5

    86cccc2b4fe5302cd5316119091d41df

  • SHA1

    cd377fa3dacf402d1d11f2025adb0b2cb821bfb5

  • SHA256

    fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3

  • SHA512

    6727b0f26657597db705b4ec6e4a198d6b6549456f587e5ccef47394984efbc18953a9c16d511c6213cad159cd62174a9c0eec0fcfc8b57a6872f6e951642085

  • SSDEEP

    12288:PHbbFUZAist8aYn7Zktw4Q3z6mfGbEVg0b79KYX44Kodc/e6/bTlNnpIQKN:/e63YC6j6Nbe3pKx0Cn/flfIQK

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .dapo

  • offline_id

    8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1

  • payload_url

    http://uaery.top/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-vbVkogQdu2 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: 0667JOsie

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199472266392

Extracted

Family

vidar

Version

�$�$

C2

https://steamcommunity.com/profiles/76561199472266392

Targets

    • Target

      fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3

    • Size

      731KB

    • MD5

      86cccc2b4fe5302cd5316119091d41df

    • SHA1

      cd377fa3dacf402d1d11f2025adb0b2cb821bfb5

    • SHA256

      fdf381d3a020e0b453b7b7790a2911c0d94f611db6566722ed5d599523bd7ca3

    • SHA512

      6727b0f26657597db705b4ec6e4a198d6b6549456f587e5ccef47394984efbc18953a9c16d511c6213cad159cd62174a9c0eec0fcfc8b57a6872f6e951642085

    • SSDEEP

      12288:PHbbFUZAist8aYn7Zktw4Q3z6mfGbEVg0b79KYX44Kodc/e6/bTlNnpIQKN:/e63YC6j6Nbe3pKx0Cn/flfIQK

    • 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

    • 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