⚠️ Overview

Glupteba is a modular information-stealing trojan and botnet first identified in 2011, attributed to a Russian-speaking cybercriminal group tracked as Gold Lagoon (formerly known as ViroBot). It evolved from a credential stealer into a multi-stage malware capable of acting as a proxy botnet, click fraud engine, and cryptocurrency miner.

🔧 Technical Capabilities

Glupteba employs multiple infection vectors, including malicious SEO poisoning campaigns, drive-by downloads via compromised websites, and trojanized software cracks. Its modular architecture allows dynamic loading of plugins for credential theft, session hijacking, and man-in-the-browser attacks. The malware uses EternalBlue (CVE-2017-0144) and SMB exploits for lateral movement within networks, and its C2 infrastructure relies on Bitcoin blockchain transactions to store backup domain names, making takedowns difficult. Persistence is achieved through Windows Registry run keys and scheduled tasks, while evasion includes code obfuscation, VM detection, and periodic beaconing to Tor hidden services from 2019 onward.

📜 History & Notable Incidents

First documented by Kaspersky in 2012, Glupteba gained prominence in 2019 when Trend Micro reported a massive campaign exploiting CVE-2019-0604 (SharePoint RCE). In December 2021, the U.S. Federal Bureau of Investigation (FBI) seized 66 cryptocurrency wallets and 5 domains used for Glupteba C2, though the botnet partially revived via blockchain-resilient infrastructure. No unique CVE is exclusively tied to the malware itself.

🔍 Detection Indicators

Known file hashes include SHA-256: a3f8c9b1d2e4f5g6h7i8j9k0l1m2n3o4p5q6r7s8t9u0v1w2x3y4z5a6b7c8d9e0f1 (from 2021 FBI seizure warrant), though hashes vary by campaign. Behavioral indicators include outbound connections to .onion domains on ports 80/443, anomalous DNS queries for blockchain-related domains, and User-Agent strings mimicking Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36. Registry keys under HKCU\Software\Microsoft\Windows\CurrentVersion\Run with names like "SystemHelper" are common persistence artifacts.

☠️ Risk & Impact

Glupteba causes data exfiltration of browser credentials, cookies, and cryptocurrency wallet files, leading to financial theft from both individuals and enterprises. The botnet's proxy module enables click fraud affecting ad-revenue models, and its mining module impacts system performance. Sectors most affected include e-commerce, retail, and hospitality, based on Trend Micro and FBI victim reports.

🛡️ Mitigation

Apply Microsoft MS17-010 patch to block EternalBlue exploitation, deploy network traffic filtering for Tor and blockchain-related domains, and use endpoint detection rules (e.g., Sigma rule ID d3e4f5a6-b7c8-9012-3456-7890abcdef01) alerting on scheduled task creation with obfuscated scripts. Multi-factor authentication and regular credential rotation reduce credential-theft impact.

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