Menu

  • Alerts
  • Incidents
  • News
  • APTs
  • Cyber Decoded
  • Cyber Hygiene
  • Cyber Review
  • Cyber Tips
  • Definitions
  • Malware
  • Threat Actors
  • Tutorials

Useful Tools

  • Password generator
  • Report an incident
  • Report to authorities
No Result
View All Result
CTF Hack Havoc
CyberMaterial
  • Education
    • Cyber Decoded
    • Definitions
  • Information
    • Alerts
    • Incidents
    • News
  • Insights
    • Cyber Hygiene
    • Cyber Review
    • Tips
    • Tutorials
  • Support
    • Contact Us
    • Report an incident
  • About
    • About Us
    • Advertise with us
Get Help
Hall of Hacks
  • Education
    • Cyber Decoded
    • Definitions
  • Information
    • Alerts
    • Incidents
    • News
  • Insights
    • Cyber Hygiene
    • Cyber Review
    • Tips
    • Tutorials
  • Support
    • Contact Us
    • Report an incident
  • About
    • About Us
    • Advertise with us
Get Help
No Result
View All Result
Hall of Hacks
CyberMaterial
No Result
View All Result
Home Malware

BeaverTail (Dropper) – Malware

February 25, 2025
Reading Time: 3 mins read
in Malware
BeaverTail (Dropper) – Malware

BeaverTail

Type of Malware

Dropper

Country of Origin

North Korea

Date of Initial Activity

2022

Associated Groups

Lazarus Group

Motivation

Data Theft
Cyberwarfare
Financial Gain

Attack Vectors

Phishing

Targeted Systems

Windows
Linux
MacOS

Type of Information Stolen

Login Credentials
System Information
Cryptocurrencies

Overview

The BeaverTail malware, a hallmark of the Lazarus Group’s evolving arsenal, represents a significant leap in the sophistication of cyber threats targeting developers and cryptocurrency professionals. Initially discovered as a JavaScript-based malware in late 2023, BeaverTail has since expanded into multiple variants, including native Windows, macOS, and Python-based versions. These iterations underscore the group’s focus on cross-platform functionality and their ability to adapt to diverse operating environments. Recent campaigns demonstrate how the Lazarus Group integrates this malware into intricate attack chains, deceiving victims through fraudulent job interviews and trojaniced applications. One of the most insidious features of BeaverTail is its delivery method. The malware is often bundled with fake video conferencing applications, such as the recently uncovered FCCCall, or inserted into Node.js-based projects under the guise of technical evaluation tasks. Victims are lured into downloading these malicious tools, unknowingly installing malware that enables data exfiltration, remote access, and further compromise. The Lazarus Group’s use of convincingly cloned websites and fake professional platforms amplifies the reach and credibility of their schemes, making it challenging for victims to identify these threats.

Targets

Finance and Insurance

How they operate

At its core, BeaverTail operates as a modular backdoor designed for persistence, stealth, and data exfiltration. The Windows variant typically arrives as a malicious installer file, often masquerading as legitimate applications like FCCCall, a fraudulent video conferencing tool. Written using the Qt6 framework, the Windows version supports multi-platform compilation, allowing seamless deployment on both Windows and macOS. Upon execution, the installer drops multiple payloads, including the BeaverTail backdoor and auxiliary tools to facilitate remote access and data theft. One of BeaverTail’s standout features is its reliance on Python for some of its most critical functions. The Python variant introduces enhanced capabilities, such as automated configuration of tools like AnyDesk for unattended access and integration with Telegram for command-and-control (C2) communication. These functionalities allow attackers to bypass traditional security measures while maintaining a stealthy footprint. For example, the Python scripts encrypt communications and obscure their malicious intent through polymorphic techniques, complicating detection by endpoint security solutions. Stealth remains a cornerstone of BeaverTail’s design. The malware employs techniques such as code obfuscation, sandbox evasion, and anti-debugging mechanisms to hinder analysis. It also targets a broad spectrum of sensitive data, from browser extensions and password managers to cryptocurrency wallets. For instance, the malware can extract authentication data from tools like WinAuth and Proxifier, enabling attackers to compromise accounts and siphon cryptocurrency funds with minimal user interaction. BeaverTail also demonstrates adaptability in its delivery mechanisms. In addition to video conferencing applications, the malware has been embedded into Node.js-based gaming projects, exploiting developers seeking employment or collaboration opportunities. These projects often contain injected JavaScript code that serves as the initial attack vector, executing the malware and establishing a persistent backdoor on the victim’s system. In conclusion, BeaverTail’s multi-faceted design and cross-platform adaptability make it a formidable tool in Lazarus Group’s arsenal. Its blend of modularity, stealth, and advanced capabilities highlights the increasing complexity of modern malware. As the Lazarus Group continues to refine BeaverTail, understanding its technical underpinnings is crucial for developing effective defenses against this persistent threat.  
References
  • BeaverTail
  • APT Lazarus: Eager Crypto Beavers, Video calls and Games
Tags: BeaverTailDroppersJavascriptLazarus groupLinuxMacOSMalwareNorth KoreaPythonWindows
ADVERTISEMENT

Related Posts

Iranian Phishing Campaign (Scam) – Malware

Iranian Phishing Campaign (Scam) – Malware

March 2, 2025
Fake WalletConnect (Infostealer) – Malware

Fake WalletConnect (Infostealer) – Malware

March 2, 2025
SilentSelfie (Infostealer) – Malware

SilentSelfie (Infostealer) – Malware

March 2, 2025
Sniper Dz (Scam) – Malware

Sniper Dz (Scam) – Malware

March 2, 2025
TikTok Malware Scam (Trojan) – Malware

TikTok Malware Scam (Trojan) – Malware

March 2, 2025
Zombinder (Exploit Kit) – Malware

Zombinder (Exploit Kit) – Malware

March 2, 2025

Latest Alerts

Mozilla Urgent Firefox Patch Fixes RCE Flaws

ModiLoader Malware Targets Windows Users

Glibc Flaw Gives Linux Root Access Risk

Fileless Remcos RAT Delivery Via LNK Files

FBI Warns of AI Voice Phishing Scams

APT28 RoundPress Webmail Hack Steals Emails

Subscribe to our newsletter

    Latest Incidents

    Massive DDoS Hits Poland’s Civic Platform

    Arla Plant Cyberattack Halts Operations

    Georgia’s Harbin Clinic Hit by Data Breach

    Hackers Target Swiss Reserve Power Plant

    Coinbase Insider Attack Exposed User Data

    Cyberattack Hits J Batista Group

    CyberMaterial Logo
    • About Us
    • Contact Us
    • Jobs
    • Legal and Privacy Policy
    • Site Map

    © 2025 | CyberMaterial | All rights reserved

    Welcome Back!

    Login to your account below

    Forgotten Password?

    Retrieve your password

    Please enter your username or email address to reset your password.

    Log In

    Add New Playlist

    No Result
    View All Result
    • Alerts
    • Incidents
    • News
    • Cyber Decoded
    • Cyber Hygiene
    • Cyber Review
    • Definitions
    • Malware
    • Cyber Tips
    • Tutorials
    • Advanced Persistent Threats
    • Threat Actors
    • Report an incident
    • Password Generator
    • About Us
    • Contact Us
    • Advertise with us

    Copyright © 2025 CyberMaterial