General

  • Target

    6134762579243e072bcbd0cbba9edc404a3f5fdc7637e3cd3add0a8e7d53b1c0

  • Size

    774KB

  • Sample

    221128-v3cakagd2s

  • MD5

    f2cce8e66e3e4951c9712b99388a0be5

  • SHA1

    c7140fedb5b64b0e0e5fd47eeb6ac0d3161746f0

  • SHA256

    6134762579243e072bcbd0cbba9edc404a3f5fdc7637e3cd3add0a8e7d53b1c0

  • SHA512

    48fd2add20ad20c624575c32e261ef88bde23b0cdaab1f7ee3488446bbed3486ee6b9d5d2c7c973d5da6f93d73631559ca36e8780d189785e74c684c5e16d425

  • SSDEEP

    24576:zbAHXdAPKINCX7TFOYhujdqyMmo8DgSm:vAyPKLTFOVdCmDD7

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kcvp

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • payload_url

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

    http://fresherlights.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-lj5qINGbTc 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: 0607Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      6134762579243e072bcbd0cbba9edc404a3f5fdc7637e3cd3add0a8e7d53b1c0

    • Size

      774KB

    • MD5

      f2cce8e66e3e4951c9712b99388a0be5

    • SHA1

      c7140fedb5b64b0e0e5fd47eeb6ac0d3161746f0

    • SHA256

      6134762579243e072bcbd0cbba9edc404a3f5fdc7637e3cd3add0a8e7d53b1c0

    • SHA512

      48fd2add20ad20c624575c32e261ef88bde23b0cdaab1f7ee3488446bbed3486ee6b9d5d2c7c973d5da6f93d73631559ca36e8780d189785e74c684c5e16d425

    • SSDEEP

      24576:zbAHXdAPKINCX7TFOYhujdqyMmo8DgSm:vAyPKLTFOVdCmDD7

    • 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

    • 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