General

  • Target

    46e0733956971714083c0ca92f3f8386cbb9074357b49e3d0dfbb527cee2395a

  • Size

    776KB

  • Sample

    231013-d9n49sch7z

  • MD5

    b9d9c7421af4fb5bec4576224c43875b

  • SHA1

    986f003a0520f968919d471e66b31a99ce96f847

  • SHA256

    46e0733956971714083c0ca92f3f8386cbb9074357b49e3d0dfbb527cee2395a

  • SHA512

    445c25dff6db7fe27f243f7ccf6305565f6291f571d850d64c3b4899c0a99441bef7bc3134dd06152351a1431eb1a619c362c5ddfe305ca450e5d069bfc0719c

  • SSDEEP

    12288:2NcI1uYkXNxQx52hVrP5xDSD/nawQ/Sl/DJ66+dk2knvsR+n:2NJu1XAx52T5VYar/k/w6+dk22M

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .oopl

  • offline_id

    dhL6XvokZotUzL67Na5WfNIBufODsob7eYc3mzt1

  • 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-XA1LckrLRP 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: 0782Okhu

rsa_pubkey.plain

Extracted

Family

vidar

Version

6.1

Botnet

13088c19c5a97b42d0d1d9573cc9f1b8

C2

https://steamcommunity.com/profiles/76561199563297648

https://t.me/twowheelfun

Attributes
  • profile_id_v2

    13088c19c5a97b42d0d1d9573cc9f1b8

  • user_agent

    Mozilla/5.0 (iPad; CPU OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/605.1.15

Targets

    • Target

      46e0733956971714083c0ca92f3f8386cbb9074357b49e3d0dfbb527cee2395a

    • Size

      776KB

    • MD5

      b9d9c7421af4fb5bec4576224c43875b

    • SHA1

      986f003a0520f968919d471e66b31a99ce96f847

    • SHA256

      46e0733956971714083c0ca92f3f8386cbb9074357b49e3d0dfbb527cee2395a

    • SHA512

      445c25dff6db7fe27f243f7ccf6305565f6291f571d850d64c3b4899c0a99441bef7bc3134dd06152351a1431eb1a619c362c5ddfe305ca450e5d069bfc0719c

    • SSDEEP

      12288:2NcI1uYkXNxQx52hVrP5xDSD/nawQ/Sl/DJ66+dk2knvsR+n:2NJu1XAx52T5VYar/k/w6+dk22M

    • 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 v15

Tasks