{
  "family": "plasma",
  "sample_count": 1,
  "category": "ransomware",
  "description": "Backdoor:Win32/Plasma (often referring to the 'Plasma RAT') is a sophisticated Remote Access Trojan frequently sold on underground hacking forums. It provides an attacker with comprehensive, interactive control over a compromised Windows system. Unlike automated botnets, Plasma is designed for 'hands-on-keyboard' attacks, allowing a human operator to explore the file system, steal credentials, and pivot within a corporate network (`T1059`).<br><br><b>Understanding Plasma (Commercial RATs)</b><br>To an end-user, the infection is entirely invisible. For an incident response team, the presence of Plasma indicates an active, intelligent adversary is inside the network. Because the tool is commercially available (to criminals), the skill level of the attacker using it can range from a novice 'script kiddie' to an advanced ransomware affiliate preparing the environment for encryption.<br><br><b>Execution and Interactive Control Mechanics</b><br>Plasma is typically delivered via spearphishing campaigns (weaponized Office documents) or dropped by initial access brokers. Upon execution, it establishes persistence, often via Registry Run keys or hidden Scheduled Tasks (`T1547.001`). It establishes a reverse shell connection to the attacker's C2 server. The Plasma control panel provides the attacker with a GUI to execute a wide array of modules: file managers, registry editors, keyloggers (`T1056.001`), password dumpers (targeting browsers and FTP clients), and remote desktop (VNC) capabilities (`T1021.001`).<br><br><b>Indicators of Compromise & Impact</b><br>The impact is total loss of system confidentiality and a high likelihood of lateral movement. Host-based IoCs include EDR alerts for anomalous command-line execution (e.g., `cmd.exe` or `powershell.exe` spawning from unexpected parent processes), unauthorized access to credential stores, and the creation of hidden staging directories for exfiltration. Network IoCs include a persistent, encrypted outbound connection to an unknown IP address, with traffic volume spiking when the attacker is actively interacting with the system (e.g., viewing the desktop or downloading files).",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [],
  "enrichment_level": "expert-seo",
  "faq": [
    {
      "@type": "Question",
      "name": "What is Plasma and what threat category does it belong to?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Plasma is classified as a Ransomware. 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 Plasma establish persistence and evade defensive controls?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Plasma 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 Plasma compromise?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Security teams responding to Plasma 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 cryptographic algorithms and file targeting techniques does Plasma employ during execution?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Plasma typically leverages hybrid cryptographic architectures combining symmetric stream or block ciphers (such as AES-256 or ChaCha20) for rapid file encryption with asymmetric algorithms (such as RSA-2048 or Curve25519) to securely protect the session keys. It aggressively targets sensitive file extensions including corporate documents, databases, virtual disks, and backups while systematically executing commands to delete Volume Shadow Copies (vssadmin delete shadows /all /quiet) and disable system recovery options."
      }
    },
    {
      "@type": "Question",
      "name": "Are decryptors available for Plasma, and what is the recommended recovery procedure?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Decryption availability for Plasma depends on whether security researchers or law enforcement (such as the No More Ransom initiative) have recovered the master private keys or discovered flaws in its key generation routines. Victims should never pay the extortion demand, as payment fuels criminal operations without guaranteeing file restoration. The recommended recovery procedure entails isolating infected hosts, conducting forensic disk imaging, identifying the root access vector, and restoring validated systems from immutable offline backups."
      }
    }
  ],
  "faq_count": 5,
  "mitre_attack": [
    "T1056.001",
    "T1021.001",
    "T1059",
    "T1041"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-06-09",
  "mitre_attack_detail": [
    {
      "id": "T1059",
      "name": "Command and Scripting Interpreter (Providing the attacker with interactive shell access)",
      "tactic": "Execution"
    },
    {
      "id": "T1056.001",
      "name": "Input Capture: Keylogging (Stealing real-time user input)",
      "tactic": "Credential Access"
    },
    {
      "id": "T1021.001",
      "name": "Remote Services: Remote Desktop Protocol (Utilizing built-in or custom VNC for graphical access)",
      "tactic": "Lateral Movement"
    },
    {
      "id": "T1041",
      "name": "Exfiltration Over C2 Channel (Stealing files directly through the RAT connection)",
      "tactic": "Exfiltration"
    }
  ],
  "containment_steps": [
    "Isolate the machine immediately to sever the attacker's interactive control over the system.",
    "Assume all credentials present on the machine (saved passwords, active session tokens, domain credentials) have been compromised and force a reset.",
    "Hunt across the network for the specific C2 IP address to identify other endpoints the attacker may have pivoted to using stolen credentials.",
    "Capture a memory dump before remediation to analyze the running Plasma configuration and identify any dropped secondary modules."
  ],
  "what_to_avoid": [
    "Do not assume the attack is over once the RAT is removed; the attacker likely created secondary backdoor accounts or dropped other persistence mechanisms.",
    "Avoid relying solely on static AV signatures, as the Plasma builder allows attackers to easily obfuscate and repack the payload."
  ],
  "target_industries": [
    "Healthcare",
    "Critical Infrastructure",
    "Enterprise"
  ],
  "motivation": "Financial Extortion",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ],
  "attack_stage": [
    "defense_evasion",
    "impact"
  ],
  "ecosystem": [
    "windows_pe"
  ],
  "is_emerging": false,
  "target_platforms": [
    "Windows 11",
    "Windows 10",
    "Windows Server 2022",
    "Windows Server 2019"
  ]
}