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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

    260dbe90a05b58a837118647651367a2832590cd2f2e82107209e27045c09c33

  • Size

    708KB

  • Sample

    230808-elv4caad86

  • MD5

    67d7e45c271149ed13f7f5056dedf1f4

  • SHA1

    98ee6a725e8f0e14552587ea604c786b934448ba

  • SHA256

    260dbe90a05b58a837118647651367a2832590cd2f2e82107209e27045c09c33

  • SHA512

    656612572e6347837229eaaa65536fb22150b688692ead62251f7446b291337612752f773f5240211aaf9122da5e01b10b04ef188c4e87655dd96559f7f28afb

  • SSDEEP

    12288:CauR3D5fVqIxD+rIIWlwJUMDEgqrJwqVPv2UaPVeeIrd2qxq1z5ueT:ytD59qmiD1CbNWVBAmt

Score
10/10
djvuvidar183caee054f0a0bfc81780194d9bc7cbdiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/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: 0756JOsie

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

      260dbe90a05b58a837118647651367a2832590cd2f2e82107209e27045c09c33

    • Size

      708KB

    • MD5

      67d7e45c271149ed13f7f5056dedf1f4

    • SHA1

      98ee6a725e8f0e14552587ea604c786b934448ba

    • SHA256

      260dbe90a05b58a837118647651367a2832590cd2f2e82107209e27045c09c33

    • SHA512

      656612572e6347837229eaaa65536fb22150b688692ead62251f7446b291337612752f773f5240211aaf9122da5e01b10b04ef188c4e87655dd96559f7f28afb

    • SSDEEP

      12288:CauR3D5fVqIxD+rIIWlwJUMDEgqrJwqVPv2UaPVeeIrd2qxq1z5ueT:ytD59qmiD1CbNWVBAmt

    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