General

  • Target

    ea9934224f10dd7bbc4ac50f28a2e08a62a892d3871531974c5008423073e7c0

  • Size

    835KB

  • Sample

    230510-fpp7yagc4z

  • MD5

    11d97f60b57d5729ce76145c72ba6d5f

  • SHA1

    4786bca77c13d344586229db271e83c4bda9c411

  • SHA256

    ea9934224f10dd7bbc4ac50f28a2e08a62a892d3871531974c5008423073e7c0

  • SHA512

    bd8749e4090705b18d26121345b8b3ba694d7647a0a8bb55bc2d7bdb9bdeab4a7c81b71a02b342298dba421cbf8011917656b5c9633617848c4f02071dd9d5eb

  • SSDEEP

    12288:uAaMbNdcdeLHcPrVYTBw1XDenjs+LP0xGtUesyCSvi7X1:uA1rHeZYVA6js+r0Erhtq7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gash

  • offline_id

    gdTA3a9eBPJZlAHc7UhZKxuA2PF57q3j1xsfAkt1

  • 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-pznhigpUwP 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: 0704JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.7

Botnet

31c7719b5ee962fbde376b75e771360d

C2

https://steamcommunity.com/profiles/76561199501059503

https://t.me/mastersbots

Attributes
  • profile_id_v2

    31c7719b5ee962fbde376b75e771360d

  • user_agent

    Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0

Targets

    • Target

      ea9934224f10dd7bbc4ac50f28a2e08a62a892d3871531974c5008423073e7c0

    • Size

      835KB

    • MD5

      11d97f60b57d5729ce76145c72ba6d5f

    • SHA1

      4786bca77c13d344586229db271e83c4bda9c411

    • SHA256

      ea9934224f10dd7bbc4ac50f28a2e08a62a892d3871531974c5008423073e7c0

    • SHA512

      bd8749e4090705b18d26121345b8b3ba694d7647a0a8bb55bc2d7bdb9bdeab4a7c81b71a02b342298dba421cbf8011917656b5c9633617848c4f02071dd9d5eb

    • SSDEEP

      12288:uAaMbNdcdeLHcPrVYTBw1XDenjs+LP0xGtUesyCSvi7X1:uA1rHeZYVA6js+r0Erhtq7

    • 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