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General

  • Target

    08212099.exe

  • Size

    782KB

  • Sample

    230525-m19t2saa2x

  • MD5

    fe874c2a0e2a364b007af13709abf8a0

  • SHA1

    6cde641d3e7b99337775cb63f92a568efbc744b8

  • SHA256

    9e6cc7a86992947cb5dd8a26434fa6893d8462d646a3075bfeea7f15c333b2fa

  • SHA512

    db178ab96cb289c5163cc7b905aa2044f8825a336d3bb0e4c13e761f268bbc4a127ea359ecda1d4662fcefd6f8b6ea4ae367cc313e1849617f56981f13b4cf50

  • SSDEEP

    24576:W9zb/Kv3Yp9AYzqd60qh6n6yRw5FS+M9:WlDKwp9AYzj0e6n

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vatq

  • 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: 0716JOsie

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

      08212099.exe

    • Size

      782KB

    • MD5

      fe874c2a0e2a364b007af13709abf8a0

    • SHA1

      6cde641d3e7b99337775cb63f92a568efbc744b8

    • SHA256

      9e6cc7a86992947cb5dd8a26434fa6893d8462d646a3075bfeea7f15c333b2fa

    • SHA512

      db178ab96cb289c5163cc7b905aa2044f8825a336d3bb0e4c13e761f268bbc4a127ea359ecda1d4662fcefd6f8b6ea4ae367cc313e1849617f56981f13b4cf50

    • SSDEEP

      24576:W9zb/Kv3Yp9AYzqd60qh6n6yRw5FS+M9:WlDKwp9AYzj0e6n

    • 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