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Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    433942cff8ba0b99acefad9e4199df4a72d27a696c5e2f33d7bfb250b797f6fa

  • Size

    816KB

  • Sample

    230805-em282sff47

  • MD5

    c21f6997c10e164735251e0454740d02

  • SHA1

    86cbdf9ee74d4a9e279d52c194cc14860327ec67

  • SHA256

    433942cff8ba0b99acefad9e4199df4a72d27a696c5e2f33d7bfb250b797f6fa

  • SHA512

    e843d8dd6926b2c8d1f60a3e0917748979b9703b13e292d7fcae8532a954852952279c44ea7cdf6520a520ec34f7de00dab70aa0190f54237256226d76c8bee6

  • SSDEEP

    12288:InTGX1sH/Q70YE3Ytxkp+KSqdNfq8BTsjtqqsR/n9e2fXW:kTGFzYatxkQv2NvBO0Pe2fW

Score
10/10
djvuvidar183caee054f0a0bfc81780194d9bc7cbdiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .yyza

  • offline_id

    UcKp2U8xIAuhirf1rVzlXed6KBYXf0O1WXF2njt1

  • 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-xZJtZ8PDb2 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: 0758JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5

Botnet

183caee054f0a0bfc81780194d9bc7cb

C2

https://t.me/versozaline

https://steamcommunity.com/profiles/76561199532186526
Attributes
  • profile_id_v2

    183caee054f0a0bfc81780194d9bc7cb

  • user_agent

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

Targets

    • Target

      433942cff8ba0b99acefad9e4199df4a72d27a696c5e2f33d7bfb250b797f6fa

    • Size

      816KB

    • MD5

      c21f6997c10e164735251e0454740d02

    • SHA1

      86cbdf9ee74d4a9e279d52c194cc14860327ec67

    • SHA256

      433942cff8ba0b99acefad9e4199df4a72d27a696c5e2f33d7bfb250b797f6fa

    • SHA512

      e843d8dd6926b2c8d1f60a3e0917748979b9703b13e292d7fcae8532a954852952279c44ea7cdf6520a520ec34f7de00dab70aa0190f54237256226d76c8bee6

    • SSDEEP

      12288:InTGX1sH/Q70YE3Ytxkp+KSqdNfq8BTsjtqqsR/n9e2fXW:kTGFzYatxkQv2NvBO0Pe2fW

    Score
    10/10
    djvuvidar183caee054f0a0bfc81780194d9bc7cbdiscoverypersistenceransomwarespywarestealer

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • 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