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General

  • Target

    5225a059d2bace7021b754ca1c1739ced806003010f5d9035ac878b3cd6b1924

  • Size

    719KB

  • Sample

    231016-fgmf3sbe9t

  • MD5

    e26fc9d369da2fc8d6ce72265174dcad

  • SHA1

    2ff54dd52864968d09500f92ff10370d3eea25ca

  • SHA256

    5225a059d2bace7021b754ca1c1739ced806003010f5d9035ac878b3cd6b1924

  • SHA512

    168d985cd83f42e3673ec31df74685860e81a2957668bd85e763ad851565f7b384f15e22fe803e187e9d10690a06ecc4cc750022257d902e1e51855b273a1de7

  • SSDEEP

    12288:BfrBn4/80jG1bxfkQsWF9J1Gw4AnCKE94RArHbVZdc8r8JKSkiX8:Bjt4/h2fkQJlB4AnCKJeHRbc8rEGK8

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ptqw

  • offline_id

    43WPLl8Cnh3dZoiWhf8tP8Q9CrMBVUL2dwHB2Rt1

  • 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-dHFDYXqlkk 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: 0806ASUDr

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

      5225a059d2bace7021b754ca1c1739ced806003010f5d9035ac878b3cd6b1924

    • Size

      719KB

    • MD5

      e26fc9d369da2fc8d6ce72265174dcad

    • SHA1

      2ff54dd52864968d09500f92ff10370d3eea25ca

    • SHA256

      5225a059d2bace7021b754ca1c1739ced806003010f5d9035ac878b3cd6b1924

    • SHA512

      168d985cd83f42e3673ec31df74685860e81a2957668bd85e763ad851565f7b384f15e22fe803e187e9d10690a06ecc4cc750022257d902e1e51855b273a1de7

    • SSDEEP

      12288:BfrBn4/80jG1bxfkQsWF9J1Gw4AnCKE94RArHbVZdc8r8JKSkiX8:Bjt4/h2fkQJlB4AnCKJeHRbc8rEGK8

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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