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General

  • Target

    06272599.exe

  • Size

    788KB

  • Sample

    230526-y8zvlaha78

  • MD5

    f2b0ff01ba44ab6f360b60f2fd95b4e5

  • SHA1

    2ba3de290844d08b81b99d39b947dc89b42a24c5

  • SHA256

    54c97f61fae868552f675948a71765861903d3e0b278e103d9b78052284e57c8

  • SHA512

    ad5f97acb85bc0268e9139da8936caeb9d86f29b369193292b721cae224e8bcf8700d7c8071774146cd123cf323f57cb06fdfe2fc11c40bffef7c2229bbe811b

  • SSDEEP

    12288:Bot4j+r2LIp8QJ2wAOZm9D4WXquvJ3Mn8PijMh+QPtrH8yBuqyvv:qtYa2c8QIGA9DTJYIijMEQVHbyv

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vaze

  • offline_id

    BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1

  • 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-tnzomMj6HU 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: 0714JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

4

Botnet

e44c96dfdf315ccf17cdd4b93cfe6e48

C2

https://steamcommunity.com/profiles/76561199508624021

https://t.me/looking_glassbot

Attributes
  • profile_id_v2

    e44c96dfdf315ccf17cdd4b93cfe6e48

  • user_agent

    Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Targets

    • Target

      06272599.exe

    • Size

      788KB

    • MD5

      f2b0ff01ba44ab6f360b60f2fd95b4e5

    • SHA1

      2ba3de290844d08b81b99d39b947dc89b42a24c5

    • SHA256

      54c97f61fae868552f675948a71765861903d3e0b278e103d9b78052284e57c8

    • SHA512

      ad5f97acb85bc0268e9139da8936caeb9d86f29b369193292b721cae224e8bcf8700d7c8071774146cd123cf323f57cb06fdfe2fc11c40bffef7c2229bbe811b

    • SSDEEP

      12288:Bot4j+r2LIp8QJ2wAOZm9D4WXquvJ3Mn8PijMh+QPtrH8yBuqyvv:qtYa2c8QIGA9DTJYIijMEQVHbyv

    • 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 v6

Tasks