{
  "family": "remoxec",
  "sample_count": 1,
  "category": "trojan",
  "description": "<h3>Executive Summary</h3>\nRemoxec is a highly dangerous Remote Access Trojan (RAT) and Backdoor. Its primary objective is to silently infiltrate a Windows workstation or server, establish an encrypted command-and-control (C2) channel, and grant a remote attacker full, interactive, administrative control over the compromised endpoint, effectively bypassing all local security controls.\n\n<h3>Infection Vector and Technical Capabilities</h3>\nRemoxec is typically deployed via highly targeted spear-phishing campaigns (often utilizing malicious macros in Office documents), drive-by downloads from compromised websites, or installed directly by an attacker who has gained initial access via compromised RDP credentials.\n\nOnce executed, Remoxec provides a comprehensive suite of espionage and control features:\n<ul>\n<li><strong>Interactive Shell Access:</strong> The RAT provides the attacker with a hidden, interactive command-line interface (reverse shell). The attacker can execute arbitrary system commands, manipulate the registry, and manage running processes as if they were sitting at the keyboard.</li>\n<li><strong>Surveillance and Espionage:</strong> Remoxec typically includes modules for live audio/video capture (hijacking the webcam and microphone), capturing desktop screenshots, and a built-in keylogger to steal passwords and monitor user activity in real-time.</li>\n<li><strong>Lateral Movement Platform:</strong> A compromised machine running a RAT acts as a perfect beachhead for lateral movement. The attacker can utilize Remoxec's file management capabilities to upload port scanners, credential dumping tools (like Mimikatz), and additional exploits to attack other servers within the corporate network.</li>\n</ul>\n\n<h3>Threat Assessment</h3>\nA Remoxec infection is a critical \"glass break\" security incident. The presence of a functional RAT indicates that an attacker has complete sovereignty over the endpoint. Confidentiality, Integrity, and Availability of the data on that machine (and potentially the entire network) are entirely compromised.\n\n<h3>Incident Response and Remediation</h3>\n<ul>\n<li><strong>Immediate Network Isolation:</strong> Severing the C2 connection is the absolute highest priority. Disconnect the infected machine from the network immediately to cut off the attacker's interactive access.</li>\n<li><strong>Hunt for Lateral Movement:</strong> Assume the attacker has already used the RAT to pivot. Incident responders must analyze network traffic logs (NetFlow, firewall logs) originating from the infected IP address to identify other potentially compromised internal hosts.</li>\n<li><strong>Bare-Metal Re-imaging:</strong> Due to the extensive, interactive control a RAT provides, it is impossible to guarantee that a system has been \"cleaned\" manually. The attacker likely installed secondary backdoors. The only secure remediation is a complete bare-metal wipe and re-image from a trusted backup.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Backdoor.Remoxec",
    "RAT.Remoxec",
    "Win32/Remoxec"
  ],
  "enrichment_level": "expert-seo",
  "faq": [
    {
      "@type": "Question",
      "name": "What is Remoxec and what threat category does it belong to?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Remoxec is classified as a Trojan. Documented across security telemetry, it is engineered to execute unauthorized operations, establish persistent footholds on target endpoints, and facilitate malicious campaigns targeting enterprise and individual environments."
      }
    },
    {
      "@type": "Question",
      "name": "How does Remoxec establish persistence and evade defensive controls?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Remoxec typically establishes persistence through registry run keys, scheduled tasks, or service installations, while evading signature-based antivirus solutions through code obfuscation, memory injection, or anti-analysis sandbox checks."
      }
    },
    {
      "@type": "Question",
      "name": "What are the essential incident response steps for mitigating a Remoxec compromise?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Security teams responding to Remoxec should immediately isolate affected endpoints from the network, perform memory triage to capture volatile forensic artifacts, audit registry and startup persistence mechanisms, revoke exposed user credentials, and restore systems from verified, clean backups."
      }
    },
    {
      "@type": "Question",
      "name": "What secondary payloads and staging behaviors are commonly associated with Backdoor.Remoxec?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Backdoor.Remoxec frequently operates as a loader or dropper designed to establish a foothold before downloading and executing secondary high-impact malware payloads. Depending on the threat actor's objectives, these dropped modules can range from ransomware and banking injects to modular infostealers and remote management backdoors."
      }
    },
    {
      "@type": "Question",
      "name": "How can security operations teams effectively detect and hunt for Backdoor.Remoxec across enterprise endpoints?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Defenders should hunt for Backdoor.Remoxec by deploying behavioral endpoint detection and response (EDR) rules that monitor suspicious process spawning (such as cmd.exe or powershell.exe spawned from office documents or temporary directories), anomalous outbound network connections from non-browser binaries, and unauthorized modifications to Windows Run keys and scheduled task registries."
      }
    }
  ],
  "faq_count": 5,
  "mitre_attack": [
    "T1059",
    "T1105",
    "T1056.001",
    "T1125"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-10-15",
  "type": "Remote Access Trojan (RAT) / Backdoor",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ],
  "attack_stage": [
    "execution",
    "persistence"
  ],
  "ecosystem": [
    "windows_pe"
  ],
  "is_emerging": false,
  "mitre_attack_detail": [
    {
      "id": "T1059",
      "name": "Command and Scripting Interpreter",
      "tactic": "Execution"
    },
    {
      "id": "T1105",
      "name": "Ingress Tool Transfer",
      "tactic": "Command and Control"
    },
    {
      "id": "T1056.001",
      "name": "Keylogging",
      "tactic": "Credential Access"
    },
    {
      "id": "T1125",
      "name": "Video/Audio Capture",
      "tactic": "Collection"
    }
  ],
  "containment_steps": [
    "Sever network connectivity for the flagged endpoint to terminate persistent command-and-control (C2) communication channels and stop Remoxec from retrieving secondary stage payloads.",
    "Capture process memory triage to detect and terminate malicious threads injected by Remoxec into legitimate system processes such as explorer.exe or svchost.exe.",
    "Audit Windows Registry Run keys (HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Run) and Task Scheduler entries to locate and purge Remoxec persistence hooks.",
    "Deploy updated enterprise EDR detection signatures and conduct an out-of-band endpoint scan to isolate dropped binaries and staged payloads.",
    "Rotate all credentials, domain user passwords, and session cookies active on the system during the Remoxec execution timeframe."
  ],
  "what_to_avoid": [
    "Do not assume the incident is resolved simply because an antivirus tool removed the initial Remoxec dropper; always verify that secondary payloads and persistence hooks have been eradicated.",
    "Avoid logging in with Domain Admin or privileged credentials on a machine suspected of running Remoxec until memory triage is complete.",
    "Do not delay host isolation; automated lateral movement and credential dumping can occur within minutes of initial execution."
  ],
  "target_platforms": [
    "Windows 11",
    "Windows 10",
    "Windows 7"
  ]
}