General

  • Target

    7aec1e909618cca4a58a7536d91dfcaa679e7e4e9306e5862d1e4bea2b6e6300

  • Size

    794KB

  • Sample

    230801-3wbz8ach7x

  • MD5

    d5bc8dacafe28358e473f4de38404105

  • SHA1

    93a4106312c45f9f77daeb9c8f5f4d8df7d6252f

  • SHA256

    7aec1e909618cca4a58a7536d91dfcaa679e7e4e9306e5862d1e4bea2b6e6300

  • SHA512

    9d3626833a80ac84e99413a79130fe63321e8ca66af78e66ab3a94eee734185c65eb32b6f638cb79a1a8b446369323e49ca76a6784c7a5927d26f431fb733618

  • SSDEEP

    12288:VNZ2prmPdHx+86yAry/soRj3ILmBDPrx8rUQSV4oa1Fz:VN0U9x+83Oyhp3IcPir7SV4oeB

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

      7aec1e909618cca4a58a7536d91dfcaa679e7e4e9306e5862d1e4bea2b6e6300

    • Size

      794KB

    • MD5

      d5bc8dacafe28358e473f4de38404105

    • SHA1

      93a4106312c45f9f77daeb9c8f5f4d8df7d6252f

    • SHA256

      7aec1e909618cca4a58a7536d91dfcaa679e7e4e9306e5862d1e4bea2b6e6300

    • SHA512

      9d3626833a80ac84e99413a79130fe63321e8ca66af78e66ab3a94eee734185c65eb32b6f638cb79a1a8b446369323e49ca76a6784c7a5927d26f431fb733618

    • SSDEEP

      12288:VNZ2prmPdHx+86yAry/soRj3ILmBDPrx8rUQSV4oa1Fz:VN0U9x+83Oyhp3IcPir7SV4oeB

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v15

Tasks