Overview

overview

10

Static

static

3

9737047a6c...37.exe

windows7-x64

10

9737047a6c...37.exe

windows10-2004-x64

10

Resubmissions

20/02/2024, 00:15

240220-akchdsgd97 10

13/02/2024, 15:51

240213-tavqrscf6y 10

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General

  • Target

    lkhy.zip

  • Size

    654KB

  • Sample

    240220-akchdsgd97

  • MD5

    4c4207a9421bd7ad788d8bcc18b3a712

  • SHA1

    7c5b607f2f149f2c90d28b01b1aeb298e997e52e

  • SHA256

    39974fcabb25868f53048b562a7a03792ba7b5771ab6c055b837df920d04b307

  • SHA512

    78c7c0bf35b7b55603883bcca77940586cba8defca9d57cc65542a3e205ff936d3db3340eb4cae53b446d5b0454219d77ad6ef66363fae546c64e98758a74e7c

  • SSDEEP

    12288:hDy+CVZ6Kz7rxdSpNW2r9Z6i/mJghA7I8EyWKpdGS/IC+GpXLaGZDa/p:hDy+wdzXxZ09kqvuN/GgVDm

Score
10/10
djvuvidar7f6c51bbce50f99b5a632c204a5ec558discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .lkhy

  • offline_id

    OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://habrafa.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://we.tl/t-uNdL2KHHdy Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0851ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.9

Botnet

7f6c51bbce50f99b5a632c204a5ec558

C2

https://t.me/hypergog

https://steamcommunity.com/profiles/76561199642171824
Attributes
  • profile_id_v2

    7f6c51bbce50f99b5a632c204a5ec558

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36

Targets

    • Target

      9737047a6cf9c18ad4eb8eff4d7b090453dd69d1b64f0c2ffe7a5deab121e637

    • Size

      729KB

    • MD5

      d473778b0f10692a2fb1ef33d26f5759

    • SHA1

      c1e422e12cc1a23edad6e5d34bba0187d3175627

    • SHA256

      9737047a6cf9c18ad4eb8eff4d7b090453dd69d1b64f0c2ffe7a5deab121e637

    • SHA512

      e2052b4ca7d8aef7785ba16b87f2e54a7330d2fae04a7ac42069584063063e7931d3c1b2d31ad62ab8c27a118dfef1ed081cd1a5fa3ce5c7d61d6a926b898ba8

    • SSDEEP

      12288:NPUee0SgrdwElQKLzLlULuysWc3QAivoYKEwQs2q/eTNSfP6OBFV:NPU07rdZXvisWcgjvorq6KNKBFV

    Score
    10/10
    djvuvidar7f6c51bbce50f99b5a632c204a5ec558discoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks