General

  • Target

    cb80c8e42643790041a73b30895121d468c1f3dce469f54f6195444b0509fb8f.exe

  • Size

    266KB

  • Sample

    221019-1lw7ashhb5

  • MD5

    73f346bdfc00b61017b7278c79f86ec6

  • SHA1

    950c0734e82e623f1b9b06f974142a1a425c08c7

  • SHA256

    cb80c8e42643790041a73b30895121d468c1f3dce469f54f6195444b0509fb8f

  • SHA512

    38d0c3ee5f3b91e2a46cba01e7e0179bbb8df7378e39f917380d7cbadf5d64cf77bc5bcc8c051d0c64991bd8f6dbcf0c68af20761e9a4772975c15690932b908

  • SSDEEP

    6144:OwZML2imB0iLSDULuzbgwu4+9aZSudwVfs:Ow2yb0iZunn69Y1X

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

      cb80c8e42643790041a73b30895121d468c1f3dce469f54f6195444b0509fb8f.exe

    • Size

      266KB

    • MD5

      73f346bdfc00b61017b7278c79f86ec6

    • SHA1

      950c0734e82e623f1b9b06f974142a1a425c08c7

    • SHA256

      cb80c8e42643790041a73b30895121d468c1f3dce469f54f6195444b0509fb8f

    • SHA512

      38d0c3ee5f3b91e2a46cba01e7e0179bbb8df7378e39f917380d7cbadf5d64cf77bc5bcc8c051d0c64991bd8f6dbcf0c68af20761e9a4772975c15690932b908

    • SSDEEP

      6144:OwZML2imB0iLSDULuzbgwu4+9aZSudwVfs:Ow2yb0iZunn69Y1X

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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