General

  • Target

    844d737a9d6939148758c49dbdbf7a49.exe

  • Size

    264KB

  • Sample

    230108-s1wv3sdh84

  • MD5

    844d737a9d6939148758c49dbdbf7a49

  • SHA1

    8b0a143a84faca361adb3351865d25709525863a

  • SHA256

    1b9ab713f7344baa35b1c530d26dac366dea7f192998bd4ab62d48586138c2de

  • SHA512

    8d970ef70b7f12f5be4de35212c6e72f9884b9a2d9ed14f9aceea12e94c76522015e899bc255ea422ad549320b6a5870da1e3d7be0f4bd579a42b2fa4d9c6bce

  • SSDEEP

    3072:hXhBVeaL65dleWNLV45uPjzfYB3B7scL07ex6LmaQpxOgnBjUZNTKXWPr0sdF:F7L65dNLVJrzAB34ex6L/QPnBoOuN

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bpto

  • offline_id

    pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://spaceris.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-rmxjMZAZBJ 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: 0628JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.8

Botnet

19

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes
  • profile_id

    19

Targets

    • Target

      844d737a9d6939148758c49dbdbf7a49.exe

    • Size

      264KB

    • MD5

      844d737a9d6939148758c49dbdbf7a49

    • SHA1

      8b0a143a84faca361adb3351865d25709525863a

    • SHA256

      1b9ab713f7344baa35b1c530d26dac366dea7f192998bd4ab62d48586138c2de

    • SHA512

      8d970ef70b7f12f5be4de35212c6e72f9884b9a2d9ed14f9aceea12e94c76522015e899bc255ea422ad549320b6a5870da1e3d7be0f4bd579a42b2fa4d9c6bce

    • SSDEEP

      3072:hXhBVeaL65dleWNLV45uPjzfYB3B7scL07ex6LmaQpxOgnBjUZNTKXWPr0sdF:F7L65dNLVJrzAB34ex6L/QPnBoOuN

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 v6

Tasks