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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

    a0a191d35712c0098d8f2b58af434df8ca22c7ae5c86f2ed50e577d312e2d47b

  • Size

    796KB

  • Sample

    230802-edg7hsdf5s

  • MD5

    e7803301ec5382c63fc1ea002133e0c7

  • SHA1

    62a4cacee5c0b02f5fe428be5dcf6d69c49177c6

  • SHA256

    a0a191d35712c0098d8f2b58af434df8ca22c7ae5c86f2ed50e577d312e2d47b

  • SHA512

    44b67e34c79fa060da7abd42baae19fe6199c42f3f3bdf191ba8e89fd746f347f5c7af429025381370f19eaf5272a09ba2bf6ac8089cd6452356996425b5d1d5

  • SSDEEP

    24576:Jl0vw4qO+cvFug93Su2t/txD/93zAzyau:H0vNqevFuC3f2pF3zAzyau

Score
10/10
djvuvidar183caee054f0a0bfc81780194d9bc7cbdiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .poaz

  • offline_id

    Cr1qw6x3Gr36kVHAZvrjTBFecy9ksVLEfrUGCjt1

  • 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-MDnNtxiPM0 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: 0753JOsie

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

      a0a191d35712c0098d8f2b58af434df8ca22c7ae5c86f2ed50e577d312e2d47b

    • Size

      796KB

    • MD5

      e7803301ec5382c63fc1ea002133e0c7

    • SHA1

      62a4cacee5c0b02f5fe428be5dcf6d69c49177c6

    • SHA256

      a0a191d35712c0098d8f2b58af434df8ca22c7ae5c86f2ed50e577d312e2d47b

    • SHA512

      44b67e34c79fa060da7abd42baae19fe6199c42f3f3bdf191ba8e89fd746f347f5c7af429025381370f19eaf5272a09ba2bf6ac8089cd6452356996425b5d1d5

    • SSDEEP

      24576:Jl0vw4qO+cvFug93Su2t/txD/93zAzyau:H0vNqevFuC3f2pF3zAzyau

    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