General

  • Target

    cf4587ed567c3de28c1e6f2fa613ae060d333cc89a2913f495b8b133b5e4bf43

  • Size

    715KB

  • Sample

    230215-26skaaec8w

  • MD5

    050660cb4580904a1d51df22d191898a

  • SHA1

    d2b2ae896fa4732ea75b273a08c9cb3117b589b5

  • SHA256

    cf4587ed567c3de28c1e6f2fa613ae060d333cc89a2913f495b8b133b5e4bf43

  • SHA512

    5c19f26d937eaf11185d927837950d9d1ec1ff2ab33832c6463652bbc3775a74a4b2e9e355ae6c53fd6dae6f9e96d9d255b491c90e781fa3aa3b7b824f9519d1

  • SSDEEP

    12288:o7QFX9R+0lBNOvwvXd1CI7jdfwqIamRsudQP8XzEASOsk4JSZZpldvBu:o7QjR+y0wtRXI9uudQkzFSOKgZplN

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .hhoo

  • offline_id

    dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1

  • payload_url

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

    http://bihsy.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-UQkYLBSiQ4 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: 0648JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes
  • profile_id

    19

Targets

    • Target

      cf4587ed567c3de28c1e6f2fa613ae060d333cc89a2913f495b8b133b5e4bf43

    • Size

      715KB

    • MD5

      050660cb4580904a1d51df22d191898a

    • SHA1

      d2b2ae896fa4732ea75b273a08c9cb3117b589b5

    • SHA256

      cf4587ed567c3de28c1e6f2fa613ae060d333cc89a2913f495b8b133b5e4bf43

    • SHA512

      5c19f26d937eaf11185d927837950d9d1ec1ff2ab33832c6463652bbc3775a74a4b2e9e355ae6c53fd6dae6f9e96d9d255b491c90e781fa3aa3b7b824f9519d1

    • SSDEEP

      12288:o7QFX9R+0lBNOvwvXd1CI7jdfwqIamRsudQP8XzEASOsk4JSZZpldvBu:o7QjR+y0wtRXI9uudQkzFSOKgZplN

    • 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

    • Checks computer location settings

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

    • 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 v6

Tasks