{
  "family": "xiaobaminer",
  "sample_count": 1,
  "category": "trojan",
  "description": "<h3>Executive Summary</h3>\nXiaobaMiner is a malicious cryptocurrency mining Trojan (Cryptojacker) designed to hijack the computational resources (CPU and GPU) of infected Windows systems. Its primary objective is to silently mine cryptocurrencies (frequently Monero/XMR due to its privacy features and CPU-friendly mining algorithm) in the background, generating illicit profit for the threat actors while significantly degrading the performance and lifespan of the victim's hardware.\n\n<h3>Infection Vector and Technical Capabilities</h3>\nXiaobaMiner is typically distributed through malvertising networks, bundled with pirated software or keygens on peer-to-peer networks, or dropped by exploit kits targeting unpatched browser vulnerabilities.\n\nUpon execution, the miner prioritizes silent, continuous operation:\n<ul>\n<li><strong>Resource Hijacking:</strong> The malware injects a modified version of popular open-source mining software (like XMRig) into a legitimate-looking process (like `svchost.exe` or a fake `wuauclt.exe`). It immediately begins consuming maximum available CPU/GPU cycles.</li>\n<li><strong>Evasion via Throttling:</strong> Advanced variants of XiaobaMiner implement logic to monitor system activity (e.g., checking for mouse movement or the launch of the Task Manager). If user activity is detected, the miner throttles its resource usage to avoid detection, ramping back up when the system is idle.</li>\n<li><strong>Persistence and Updates:</strong> It establishes persistence via Scheduled Tasks and maintains a connection to a mining pool (C2 server) to receive configuration updates, new wallet addresses, or updated mining binaries.</li>\n</ul>\n\n<h3>Threat Assessment</h3>\nWhile generally not destructive to data, XiaobaMiner poses a significant operational threat. The constant, maximum CPU utilization leads to severe system slowdowns, reduced productivity, increased energy consumption, and premature hardware failure (thermal wear). In cloud environments (IaaS), it can trigger massive, unexpected auto-scaling billing charges.\n\n<h3>Incident Response and Remediation</h3>\n<ul>\n<li><strong>Process Termination and Isolation:</strong> Utilize EDR or advanced task managers to identify the hollowed process consuming excessive CPU and terminate it. Isolate the machine to cut communication with the mining pool.</li>\n<li><strong>Targeted Malware Scan:</strong> Run a comprehensive anti-malware scan to identify the root executable, persistence mechanisms (registry keys, scheduled tasks), and any secondary payloads (miners are sometimes bundled with info-stealers).</li>\n<li><strong>Vulnerability Assessment:</strong> Determine how the miner gained initial access. Ensure the OS, web browsers, and all third-party software are fully patched to close the exploited vulnerability.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Trojan.CoinMiner.Xiaoba",
    "Riskware.Miner.Xiaoba",
    "Win32/CoinMiner"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1496",
    "T1055",
    "T1562.001"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-02T07:10:57Z",
  "type": "Cryptominer",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}