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Overview

overview

10

Static

static

3

f6a06da6a2...b9.exe

windows7-x64

10

f6a06da6a2...b9.exe

windows10-2004-x64

Sharing

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General

  • Target

    f6a06da6a2df97146f42df7f05a55d580256ee7accae484a0edfa3c6270c48b9

  • Size

    738KB

  • Sample

    231012-mfnq3seh78

  • MD5

    49ec51b4a2297fff3628469a44f9be06

  • SHA1

    a798138e1b78fb2af29b4f25e4f1cb1edf4dbcbc

  • SHA256

    f6a06da6a2df97146f42df7f05a55d580256ee7accae484a0edfa3c6270c48b9

  • SHA512

    3151e013e7e5de405d10626ae3b6beb677ae5e544debe753b6dcfb1bc7e5599a68ff25f1f827c7c0da791f49e5f96978126e2f339e1aa250001f213c7ee0058a

  • SSDEEP

    12288:ax8XoKQfH1Mb6Xjx3Oq37lm26lkaU4ywu55urhOUMNmk82YWgyBmGJo5tgjdB:ax4odVU6zxeElbIkrhu18FHrBi5GB

Score
10/10
djvuvidard37c48c18c73cc0e155c7e1dfde06db9discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wwza

  • offline_id

    LtYnlJvK0hICyOCeum6Tv4pbia9jcIGHVgA3Xht1

  • 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-xoUXGr6cqT 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: 0789JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

6

Botnet

d37c48c18c73cc0e155c7e1dfde06db9

C2

https://steamcommunity.com/profiles/76561199560322242

https://t.me/cahalgo
Attributes
  • profile_id_v2

    d37c48c18c73cc0e155c7e1dfde06db9

  • user_agent

    Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0 uacq

Targets

    • Target

      f6a06da6a2df97146f42df7f05a55d580256ee7accae484a0edfa3c6270c48b9

    • Size

      738KB

    • MD5

      49ec51b4a2297fff3628469a44f9be06

    • SHA1

      a798138e1b78fb2af29b4f25e4f1cb1edf4dbcbc

    • SHA256

      f6a06da6a2df97146f42df7f05a55d580256ee7accae484a0edfa3c6270c48b9

    • SHA512

      3151e013e7e5de405d10626ae3b6beb677ae5e544debe753b6dcfb1bc7e5599a68ff25f1f827c7c0da791f49e5f96978126e2f339e1aa250001f213c7ee0058a

    • SSDEEP

      12288:ax8XoKQfH1Mb6Xjx3Oq37lm26lkaU4ywu55urhOUMNmk82YWgyBmGJo5tgjdB:ax4odVU6zxeElbIkrhu18FHrBi5GB

    Score
    10/10
    djvuvidard37c48c18c73cc0e155c7e1dfde06db9discoverypersistenceransomwarestealer

    • 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

    • 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