Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    file.exe
  • Size 146KB
  • Sample221001-mkc55sfha8
  • SHA256 6f0a89ecb127233c0698b16ea7b8bced62892f220d5ff5cfafc170ecaf2ae747
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdjvuredlinesmokeloadervidar517installibackdoorcollectiondiscoveryevasioninfostealerpersistenceransomwareratspywarestealertrojan

Malware Config

Extracted

Family

  • djvu

C2

  • http://winnlinne.com/lancer/get.php

Attributes
  • extension

    .ofww

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • payload_url

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

    http://winnlinne.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-EWKSsSJiVn 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: 0569Jhyjd

rsa_pubkey.plain

Extracted

Family

  • vidar

Version

  • 54.7

Botnet

  • 517

C2

  • https://t.me/trampapanam

  • https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Extracted

Family

  • redline

Botnet

  • installi

C2

  • 78.153.144.6:2510

Attributes
  • auth_value

    f7a95740dfddbaa1471d1ac4f63cb78e

Targets

    • Target
      file.exe
    • Size 146KB
    • SHA256 6f0a89ecb127233c0698b16ea7b8bced62892f220d5ff5cfafc170ecaf2ae747
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    smokeloaderbackdoortrojandcratdjvuredlinevidar517installicollectiondiscoveryevasioninfostealerpersistenceransomwareratspywarestealer

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Modifies security service

      evasion

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • UAC bypass

      evasiontrojan

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • 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

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks