General

  • Target

    8049e8a7a6566a6b2976ecfb124137de661d6583ad4809e8a495aee2f37b3d0d

  • Size

    668KB

  • Sample

    221019-zm9ncagch2

  • MD5

    0939559a2a17d7d0a56ce8d8090e1532

  • SHA1

    71ca9bb9c8f29a3688424616f16cc74152180e57

  • SHA256

    bf3c7104fa188dfb2ec13b4ff0ddd0274a34a290cd42a2349112ac31c1b3caf1

  • SHA512

    5d1584665b1c2339f3be6697cbc72a0f16109eaf55413bf4d432142eac2d4c51c43a070760a973451295fa6f9ca298b6aca5b1df9f1bba9e9ab634c952877ddb

  • SSDEEP

    12288:rMsjIM044M/P5NdHvdsp5ijvDj4CS0GYyD+IEW6vrGi1qR9k+ibErO4M:rIM0pM/Px1spojvDjDS0GYyD+u6zx1qY

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tury

  • offline_id

    Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.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-o7UXxOstmw 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: 0585Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.1

Botnet

517

C2

https://t.me/tg_privatetalk

https://nerdculture.de/@yixehi33

Attributes
  • profile_id

    517

Targets

    • Target

      8049e8a7a6566a6b2976ecfb124137de661d6583ad4809e8a495aee2f37b3d0d

    • Size

      748KB

    • MD5

      cf711afc5eca3498429bb1422b41d7a5

    • SHA1

      364304eb925d2702c123736c16ab07e9d10dcf6d

    • SHA256

      8049e8a7a6566a6b2976ecfb124137de661d6583ad4809e8a495aee2f37b3d0d

    • SHA512

      6d11601e127cd33e2b12d2d617bf9eb82c9b91f3f87063f04b70dcc623f5483eb225ce92cb90715a0bcff1fae366920f42302170179ca089160ecbbca6573b54

    • SSDEEP

      12288:OgKZh6AG/6/4MTPXNdJvHspTinvDjICS0uYyT+IEW6v/siBq7dkeqto:OXG6AMTP3RspenvDjzS0uYyT+g6XLBqN

    • 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

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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