Glupteba

Overview

Trojan:Win32/Glupteba is a highly advanced, resilient botnet and Trojan downloader primarily known for its incredibly sophisticated Command and Control (C2) architecture. Specifically, Glupteba pioneered the use of the Bitcoin blockchain as a distributed, un-takedownable C2 infrastructure to evade law enforcement and security vendors.

Understanding Glupteba
To the victim, Glupteba is invisible, acting as a delivery vehicle for other malware (often cryptominers or credential stealers). For threat intelligence analysts, Glupteba represents a masterclass in C2 resilience. When the FBI or security vendors attempt to shut down a botnet, they target the centralized C2 servers. Glupteba circumvents this entirely. When a Glupteba infection loses contact with its hardcoded C2 servers, it relies on an ingenious fallback mechanism: it queries the public Bitcoin blockchain.

Execution and Blockchain C2 Evasion
Upon execution, Glupteba establishes deep persistence, often deploying a rootkit (`T1014`) to hide its files and registry keys. It then attempts to contact its C2. If the C2 is dead, the malware uses a public Bitcoin API (like `blockchain.info`) to query the transaction history of specific Bitcoin wallet addresses hardcoded into the malware (`T1102.001`). The threat actors use the `OP_RETURN` field in Bitcoin transactions to embed small snippets of encrypted data. Glupteba reads this transaction data, decrypts it, and retrieves the *new* C2 domain or IP address. Because the Bitcoin blockchain is decentralized and immutable, security vendors cannot delete the C2 instructions; the infrastructure is virtually bulletproof.

Indicators of Compromise & Impact
The impact is extreme persistence and the constant downloading of secondary payloads. EDR platforms will flag Glupteba's rootkit installation attempts and its aggressive process injection. Network logs will reveal anomalous, automated queries to public Bitcoin block explorers (`T1102`). Incident responders must look for the presence of the `csrss.exe` process spawning from unexpected directories, as Glupteba frequently masquerades as the Client Server Runtime Process.

MITRE ATT&CK Techniques

Observed techniques used by this family, mapped to the MITRE ATT&CK framework:

Tactical Mitigations

Based on the techniques used by this family, consider the following defensive strategies:

• T1036.005: Monitor for executable files running from unusual paths or with deceptive names. Use EDR to detect process masquerading.

Generated Detections (Boilerplate)

These YARA and Sigma rules are auto-generated based on the family name and aliases. They must be heavily tuned before deployment in a production environment.

YARA Rule

rule MALWARE_WIN_GLUPTEBA {
    meta:
        description = "Detects Glupteba (trojan)"
        author = "SystemHelpdesk Boilerplate Generator"
        date = "2026-07-06"
    strings:
        $s1 = "glupteba" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

Sigma Rule

title: Suspicious Glupteba Activity
id: a85671c7a445c91f9f36aa88a06c8ec7
status: experimental
description: Detects generic indicators of the glupteba malware family.
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith:
            - '\cmd.exe'
            - '\powershell.exe'
        CommandLine|contains:
            - "*glupteba*"
    condition: selection
level: medium

Containment & Response Steps

Ordered checklist for responders. Adapt to your environment and engage professional support for active incidents.

1. Instantly isolate the endpoint from the network; Glupteba's blockchain resolution means it can re-establish C2 instantly if left online.
2. Due to the deployment of rootkits, do not trust the live operating system. Run offline forensic scans or utilize specialized rootkit removal tools.
3. Monitor network edge firewalls for automated API calls to Bitcoin block explorers (e.g., blockchain.info, blockexplorer.com) originating from endpoints.
4. Given the deep system compromise and rootkit presence, a complete rebuild of the operating system is the only guaranteed remediation.

What to Avoid

Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.

1. Do not assume the threat is neutralized because you blocked the current C2 IP; Glupteba will simply query the blockchain and find the next one.
2. Avoid relying solely on standard AV scans; the rootkit components hide the malicious binaries from the file system.

References & External Analysis

• Search "glupteba" on VirusTotal (External Analysis)

Frequently Asked Questions

Related Families (Category: trojan)

Explore other malware families in the same category:

• Keyboy
• Protux
• Genericrxby
• Comproc
• Jacksbot

Machine-readable

Get this profile as JSON: https://jordanricky1604-ship-it.github.io/malware-families-catalog/api/glupteba.json

Ecosystem & Interactive Environments

This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.