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General

  • Target

    4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77

  • Size

    747KB

  • Sample

    221020-ab39raebcn

  • MD5

    90d802d1c0180db512db1fba36c2eff7

  • SHA1

    85b8f2fefb93b75e47238827d2ad3c6ec53beefc

  • SHA256

    4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77

  • SHA512

    d7d6f0afc7676e4b2bc4bf296be7dfa9425a0d4ca8b9bd911c28ae8d7468664d13ba87f2d8b12c62ee28cfe3156771f34994be8e61ca592d1a5cbb620d9c5229

  • SSDEEP

    12288:AHPuxiQMtvTKmL80dJrjldNUDzjgk97EH2PTfq4fKFKiInmqdaT5X49i7Gv:AvaMtvJdFuzjtk2fqsTRmv5XciA

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

      4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77

    • Size

      747KB

    • MD5

      90d802d1c0180db512db1fba36c2eff7

    • SHA1

      85b8f2fefb93b75e47238827d2ad3c6ec53beefc

    • SHA256

      4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77

    • SHA512

      d7d6f0afc7676e4b2bc4bf296be7dfa9425a0d4ca8b9bd911c28ae8d7468664d13ba87f2d8b12c62ee28cfe3156771f34994be8e61ca592d1a5cbb620d9c5229

    • SSDEEP

      12288:AHPuxiQMtvTKmL80dJrjldNUDzjgk97EH2PTfq4fKFKiInmqdaT5X49i7Gv:AvaMtvJdFuzjtk2fqsTRmv5XciA

    • 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