{
  "family": "saencrypt",
  "sample_count": 1,
  "category": "ransomware",
  "description": "<h3>Executive Summary</h3>\nSAEncrypt is a variant of destructive Ransomware designed to infiltrate corporate networks, exfiltrate sensitive data (in double-extortion schemes), and rapidly encrypt critical file systems. Upon successful encryption, the malware renders the victim's data completely inaccessible and demands a cryptocurrency payment in exchange for the decryption key.\n\n<h3>Infection Vector and Technical Capabilities</h3>\nSAEncrypt typically gains access to a network through compromised Remote Desktop Protocol (RDP) connections (via brute-forcing or purchased credentials), malicious phishing attachments, or by exploiting public-facing vulnerabilities on edge devices (like VPN gateways or firewalls).\n\nOnce inside the network, SAEncrypt executes a devastating attack chain:\n<ul>\n<li><strong>Lateral Movement and Privilege Escalation:</strong> Before encrypting the local machine, the attackers often manually deploy tools like Cobalt Strike or Mimikatz to dump credentials and move laterally, aiming to compromise the Domain Controller to push the ransomware globally.</li>\n<li><strong>Defense Evasion:</strong> The malware actively attempts to terminate endpoint security services, disable Windows Defender, and delete Volume Shadow Copies (`vssadmin.exe Delete Shadows /All /Quiet`) to prevent easy data restoration.</li>\n<li><strong>Rapid Encryption:</strong> It utilizes strong, military-grade cryptographic algorithms (e.g., AES paired with RSA) to encrypt user files, databases, and network shares. The encrypted files are typically appended with a specific extension (e.g., `.saencrypt` or `.encrypted`), and a ransom note is dropped into every affected directory.</li>\n</ul>\n\n<h3>Threat Assessment</h3>\nAn SAEncrypt infection is a catastrophic security incident that immediately halts business operations. It poses an existential threat to the organization through severe data loss, extended downtime, potential regulatory fines, and reputational damage.\n\n<h3>Incident Response and Remediation</h3>\n<ul>\n<li><strong>Immediate Network Segmentation:</strong> Do not simply turn off the machines, as this destroys volatile memory forensics. Instantly sever the network connection of all infected machines (and the Domain Controller if compromised) from the internet and the rest of the LAN to halt lateral movement and data exfiltration.</li>\n<li><strong>Engage Incident Response:</strong> Immediately engage specialized third-party Incident Response and legal counsel. Do not attempt to negotiate with the threat actors without professional guidance.</li>\n<li><strong>Eradication and Recovery:</strong> Eradicating ransomware requires a complete infrastructure rebuild. All affected machines must be wiped to bare metal and rebuilt from known-good, offline backups. All enterprise credentials, especially service accounts and Domain Admins, must be rotated globally.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Ransomware.SAEncrypt",
    "Trojan-Ransom.Win32.SAEncrypt",
    "Cryptolocker.SA"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1486",
    "T1490",
    "T1012",
    "T1078"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-02T07:25:05Z",
  "type": "Ransomware",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}