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General

  • Target

    441c0e202347485082725c08b1341d20f3b55228d222ee247367928b4c751aee

  • Size

    797KB

  • Sample

    230921-p76gbagb3x

  • MD5

    61dbcb371e256eceb39a486057de0aca

  • SHA1

    85435a6cf60ae35b9649a452b1c30172d44efa4f

  • SHA256

    441c0e202347485082725c08b1341d20f3b55228d222ee247367928b4c751aee

  • SHA512

    52b4634ccc5d98e6971145b05d08536683101a24f6b691cda53e74ba4924d0987e68f098b3ed6d8a5527f76aa28c14b8de9cfc4298a2be9b1fc25c2921747c2a

  • SSDEEP

    12288:oVoxKHMS8bnqk+R3zB8bbL1ZeGuh4AGE0ijb5Qrdl2W3WE5zqVO8:ouCMpzmR3ybRZeZFG1iP5QjD315iO8

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wwpl

  • offline_id

    LtYnlJvK0hICyOCeum6Tv4pbia9jcIGHVgA3Xht1

  • 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-xoUXGr6cqT 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: 0786JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.7

Botnet

5c0b4a12d6c03dd98ed431d3eded2169

C2

https://steamcommunity.com/profiles/76561199553369541

https://t.me/dastanatg

Attributes
  • profile_id_v2

    5c0b4a12d6c03dd98ed431d3eded2169

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75

Targets

    • Target

      441c0e202347485082725c08b1341d20f3b55228d222ee247367928b4c751aee

    • Size

      797KB

    • MD5

      61dbcb371e256eceb39a486057de0aca

    • SHA1

      85435a6cf60ae35b9649a452b1c30172d44efa4f

    • SHA256

      441c0e202347485082725c08b1341d20f3b55228d222ee247367928b4c751aee

    • SHA512

      52b4634ccc5d98e6971145b05d08536683101a24f6b691cda53e74ba4924d0987e68f098b3ed6d8a5527f76aa28c14b8de9cfc4298a2be9b1fc25c2921747c2a

    • SSDEEP

      12288:oVoxKHMS8bnqk+R3zB8bbL1ZeGuh4AGE0ijb5Qrdl2W3WE5zqVO8:ouCMpzmR3ybRZeZFG1iP5QjD315iO8

    • 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