DotStealer 2.1

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Threat Intelligence • Malware Analysis




DotStealer 2.1 - Advanced Information Stealer Analysis


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VirusTotal

DotStealer 2.1 is the latest evolution of the well-known .NET Information Stealer, engineered to compromise Windows systems by harvesting highly sensitive data with increased stealth and efficiency. This updated release introduces enhanced credential theft capabilities, improved browser data extraction, advanced defense evasion techniques, and optimized exfiltration mechanisms designed to maximize operational success while reducing detection rates.

Capable of stealing browser passwords, authentication cookies, cryptocurrency wallets, Discord and Telegram tokens, FTP credentials, email accounts, VPN configurations, and other confidential information, DotStealer 2.1 remains a significant threat to both enterprise environments and individual users. Security analysts and incident responders should closely monitor its evolving techniques, Indicators of Compromise (IoCs), persistence mechanisms, and Command-and-Control (C2) communications to improve detection and mitigation strategies.
Credential Theft

Extracts passwords, cookies, autofill data, browser tokens, and saved sessions from Chromium and Gecko-based browsers.
Cryptocurrency Targeting

Targets desktop wallets, browser extensions, seed-related data, and cryptocurrency credentials.
Defense Evasion

Implements obfuscation, anti-analysis, anti-debugging, and sandbox detection to bypass security solutions.
Threat Intelligence

Includes technical indicators, behavioral analysis, ATT&CK mapping, and detection recommendations for SOC teams.