EXECUTIVE SUMMARY:
Lucid Stealer is an advanced information-stealing malware that combines credential theft with extensive remote-access capabilities, posing a significant threat to individuals and organizations. Distributed through underground channels, the malware is designed to harvest sensitive information from web browsers, cryptocurrency wallets, Discord clients, and other applications while providing attackers with persistent control over compromised systems. Its modular architecture and active development make it a highly adaptable threat capable of supporting a wide range of malicious activities.[/subscribe_to_unlock_form]
EXECUTIVE SUMMARY:
Lucid Stealer is an advanced information-stealing malware that combines credential theft with extensive remote-access capabilities, posing a significant threat to individuals and organizations. Distributed through underground channels, the malware is designed to harvest sensitive information from web browsers, cryptocurrency wallets, Discord clients, and other applications while providing attackers with persistent control over compromised systems. Its modular architecture and active development make it a highly adaptable threat capable of supporting a wide range of malicious activities.[emaillocker id="1283"]
The malware is commonly delivered through password-protected archives containing large executable files that disguise malicious functionality within legitimate Node.js application components. Once executed, Lucid Stealer deploys multiple stages of JavaScript-based loaders and encrypted payloads that help conceal its activities and evade detection. Analysis indicates that the malware targets web browsers and numerous cryptocurrency wallets while also collecting Discord authentication tokens and other locally stored information. In addition to data theft, the malware integrates hidden desktop control capabilities, screenshot generation, activity monitoring, file management functions, remote command execution, and persistence mechanisms. These features allow operators to maintain ongoing access to compromised systems while continuously collecting sensitive information and exporting stolen data to attacker-controlled infrastructure.
Lucid Stealer represents a highly capable that extends beyond traditional credential theft by incorporating remote administration and system control features. Its ability to harvest information from multiple browsers, cryptocurrency wallets, and communication platforms while maintaining covert access significantly increases the potential impact of an infection. Organizations and individual users should strengthen endpoint monitoring, restrict the execution of untrusted files, maintain updated security controls, and educate users about suspicious downloads and archives to reduce the risk posed by this evolving malware threat.
THREAT PROFILE:
| Tactic | Technique Id | Technique | Sub-technique |
| Execution | T1059.003 | Command and Scripting Interpreter | Windows Command Shell |
| T1059.001 | PowerShell | ||
| Persistence | T1547.001 | Boot or Logon Autostart Execution | Registry Run Keys / Startup Folder |
| Privilege Escalation | T1548.002 | Abuse Elevation Control Mechanism | Bypass User Account Control |
| Stealth | T1027.002 | Obfuscated Files or Information | Software Packing |
| T1140 | Deobfuscate/Decode Files or Information | - | |
| Credential Access | T1555.003 | Credentials from Password Stores | Credentials from Web Browsers |
| Discovery | T1082 | System Information Discovery | - |
| T1016.001 | System Network Configuration Discovery | Internet Connection Discovery | |
| Collection | T1113 | Screen Capture | - |
| T1005 | Data from Local System | - | |
| Command and Control | T1105 | Ingress Tool Transfer | - |
| T1071.001 | Application Layer Protocol | Web Protocols | |
| Exfiltration | T1041 | Exfiltration Over C2 Channel | - |
MBC MAPPING:
| Objective | Behaviour ID | Behaviour |
| Anti-Behavioral Analysis | B0007 | Sandbox Detection |
| Anti-Static Analysis | E1027 | Obfuscated Files or Information |
| Collection | E1113 | Screen Capture |
| Command and Control | B0030 | C2 Communication |
| Credential Access | F0002 | Keylogging |
| E1056 | Input Capture | |
| Defense Evasion | B0027 | Alternative Installation Location |
| F0001 | Software Packing | |
| B0040 | Covert Location | |
| Discovery | E1082 | System Information Discovery |
| Execution | B0011 | Remote Commands |
| Exfiltration | E1020 | Automated Exfiltration |
| Impact | B0018 | Resource Hijacking |
| Lateral Movement | E1105 | Ingress Tool Transfer |
| Persistence | F0012 | Registry Run Keys / Startup Folder |
| Memory Micro-objective | C0007 | Allocate Memory |
| Process Micro-objective | C0017 | Create Process |
REFERENCES:
The following reports contain further technical details:
https://cybersecuritynews.com/lucid-stealer-targets-18-browsers-crypto-wallets-and-discord-tokens/
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