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General

  • Target

    JC_ceb74d81c64e8c2367c7b4f0ddfa1fbe8d7ffb80263cf59755c2e1bfe21c7d32

  • Size

    769KB

  • Sample

    230901-ygeekshf26

  • MD5

    7014ac83a3cda137388bdffede58c30d

  • SHA1

    284c8ff7f51e45f050ef4f067f65fe68ea154781

  • SHA256

    ceb74d81c64e8c2367c7b4f0ddfa1fbe8d7ffb80263cf59755c2e1bfe21c7d32

  • SHA512

    ff306241a5c1ba2006f3dbe567fed94fad429ec5f2172585e291bfa2178486beed29391219e56cc0474b2c459383f4921fe6d4285e52da74a4faae9688faa452

  • SSDEEP

    24576:L9k54vM3XA763Vw+McouwP+tnDsoCHBRa:L9k603PDMclFq

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wztt

  • offline_id

    pGPY4MKNHaEeN9pLKNW37rI0mblzUZFtPsjZ8Ht1

  • 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-E3ktviSmlG 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: 0768zSjfr

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor

https://steamcommunity.com/profiles/76561199545993403

Attributes
  • profile_id_v2

    25f5344bfcb62e75b7946c3a681aec54

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

    • Target

      JC_ceb74d81c64e8c2367c7b4f0ddfa1fbe8d7ffb80263cf59755c2e1bfe21c7d32

    • Size

      769KB

    • MD5

      7014ac83a3cda137388bdffede58c30d

    • SHA1

      284c8ff7f51e45f050ef4f067f65fe68ea154781

    • SHA256

      ceb74d81c64e8c2367c7b4f0ddfa1fbe8d7ffb80263cf59755c2e1bfe21c7d32

    • SHA512

      ff306241a5c1ba2006f3dbe567fed94fad429ec5f2172585e291bfa2178486beed29391219e56cc0474b2c459383f4921fe6d4285e52da74a4faae9688faa452

    • SSDEEP

      24576:L9k54vM3XA763Vw+McouwP+tnDsoCHBRa:L9k603PDMclFq

    • 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