General

  • Target

    5da15a204da6159bc028759abf4032ce6db0e0bc8de358f64138c0f0b42886cb

  • Size

    790KB

  • Sample

    230721-aaly3sbh5v

  • MD5

    0f0efd43ba458cd20064a84ebd58e8fa

  • SHA1

    1c0fcc6b119c98df9106491b05d940bb4d48b078

  • SHA256

    5da15a204da6159bc028759abf4032ce6db0e0bc8de358f64138c0f0b42886cb

  • SHA512

    8e22ec7292725fedbfdd7f914ca4b1aebd8a86f89e95732e3c2f1435ceadde38f8ff8b24a48eccfc605add0e0f8c421c32bda337f909d6f7b0a86c6f393c0573

  • SSDEEP

    12288:mhEvUCMVdBJPagB36FbD6lLv0SW0OCHOz7w2XNctz2IiV6WfFsXQS:LURJPLBkbD6l4D0OCuz7w2qtz27bsXr

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mitu

  • offline_id

    1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1

  • 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-nSxayRgUNO 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: 0745Pokj

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes
  • profile_id_v2

    https://t.me/sundayevent

  • user_agent

    Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

    • Target

      5da15a204da6159bc028759abf4032ce6db0e0bc8de358f64138c0f0b42886cb

    • Size

      790KB

    • MD5

      0f0efd43ba458cd20064a84ebd58e8fa

    • SHA1

      1c0fcc6b119c98df9106491b05d940bb4d48b078

    • SHA256

      5da15a204da6159bc028759abf4032ce6db0e0bc8de358f64138c0f0b42886cb

    • SHA512

      8e22ec7292725fedbfdd7f914ca4b1aebd8a86f89e95732e3c2f1435ceadde38f8ff8b24a48eccfc605add0e0f8c421c32bda337f909d6f7b0a86c6f393c0573

    • SSDEEP

      12288:mhEvUCMVdBJPagB36FbD6lLv0SW0OCHOz7w2XNctz2IiV6WfFsXQS:LURJPLBkbD6l4D0OCuz7w2qtz27bsXr

    • 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

    • Accesses cryptocurrency files/wallets, 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