{
  "family": "phonerooter",
  "sample_count": 1,
  "category": "trojan",
  "description": "<h3>Executive Summary</h3>\nPhoneRooter is a classification encompassing various Android \"rooting\" utilities (e.g., KingoRoot, Towelroot, Framaroot) that utilize software exploits to bypass the Android operating system's security architecture and grant the user \"superuser\" or \"root\" access. While sometimes used intentionally by tech-savvy users to customize their devices, these tools are universally classified as HackTools or Exploits because they deliberately attack vulnerabilities in the Linux kernel to permanently subvert the device's security model. Threat actors frequently weaponize these identical exploits to quietly compromise mobile devices.\n\n<h3>Infection Vector and Technical Capabilities</h3>\nLegitimate users intentionally download these APKs from third-party websites (as they are banned from the Google Play Store). However, malicious apps often embed these exploits to achieve root access silently in the background without user consent.\n\nUpon execution, PhoneRooter tools perform the following actions:\n<ul>\n<li><strong>Vulnerability Exploitation:</strong> The tool scans the device's hardware architecture and Android OS version, then deploys a specific, known exploit (e.g., \"Dirty COW,\" \"PingPongRoot\") targeting a flaw in the Linux kernel or a specific hardware driver.</li>\n<li><strong>Privilege Escalation:</strong> If the exploit is successful, the tool bypasses the Android Application Sandbox, elevating its privileges from a standard application to a highly privileged kernel-level process.</li>\n<li><strong>SU Binary Installation:</strong> It remounts the system partition as read/write and installs the `su` (superuser) binary and a root management app (like SuperSU), permanently breaking the security model and allowing any application (with permission) to execute arbitrary commands.</li>\n</ul>\n\n<h3>Threat Assessment</h3>\nThe presence of a PhoneRooter tool or a successfully rooted device in a corporate environment (e.g., BYOD or Corporate-Owned devices) is a critical compliance violation. Rooting completely destroys the integrity of MDM (Mobile Device Management) controls, allows data exfiltration by bypassing application sandboxing, and makes the device highly susceptible to advanced mobile malware (like banking trojans that steal SMS 2FA codes).\n\n<h3>Incident Response and Remediation</h3>\n<ul>\n<li><strong>MDM Enforcement (Automated Isolation):</strong> Enterprise MDM solutions (e.g., Intune, Workspace ONE) must be configured with strict compliance policies that constantly monitor for \"Jailbroken/Rooted\" status. If detected, the MDM should automatically revoke corporate access, wipe corporate data, and quarantine the device from the network.</li>\n<li><strong>Device Wipe (Factory Reset):</strong> A device that has been rooted using an exploit cannot be trusted. The only secure remediation is a complete factory reset, which restores the original, uncompromised system partition from the manufacturer's recovery image.</li>\n<li><strong>Policy Review:</strong> Reiterate corporate BYOD policies regarding unauthorized device modifications and enforce strict conditional access based on device health attestation.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "HackTool.AndroidRoot",
    "Exploit.Android.Rooter",
    "Tool.KingoRoot"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1068",
    "T1404",
    "T1636"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-02T07:36:34Z",
  "type": "HackTool / Exploit (Android)",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}