General

  • Target

    2b801ec50a2505e2fae57da0f9a535c3d6de93584d3ea5b8581d87d8209e4e32

  • Size

    706KB

  • Sample

    230216-j7qszagc91

  • MD5

    64e0344547f5bbdbb4a804246a6f9d71

  • SHA1

    f98d133edf318ce0791e9ba47a243bf6e25cd2d5

  • SHA256

    2b801ec50a2505e2fae57da0f9a535c3d6de93584d3ea5b8581d87d8209e4e32

  • SHA512

    640de17a0a0bf7038f18d354df6cc490621bcc10b49a7d921f8da5f90483190f26c1374306e3a827baec8b78f7bc1694296fe8735f936942a560681521ede6ae

  • SSDEEP

    12288:8aGOxco1NbXFEd0QUSANSkk4REIw2c3PR6SBL1spNm:8JQp1NbmANSkkE7g3PRN

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

      2b801ec50a2505e2fae57da0f9a535c3d6de93584d3ea5b8581d87d8209e4e32

    • Size

      706KB

    • MD5

      64e0344547f5bbdbb4a804246a6f9d71

    • SHA1

      f98d133edf318ce0791e9ba47a243bf6e25cd2d5

    • SHA256

      2b801ec50a2505e2fae57da0f9a535c3d6de93584d3ea5b8581d87d8209e4e32

    • SHA512

      640de17a0a0bf7038f18d354df6cc490621bcc10b49a7d921f8da5f90483190f26c1374306e3a827baec8b78f7bc1694296fe8735f936942a560681521ede6ae

    • SSDEEP

      12288:8aGOxco1NbXFEd0QUSANSkk4REIw2c3PR6SBL1spNm:8JQp1NbmANSkkE7g3PRN

    • 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 v6

Tasks