Medusa Group

Techniques (MITRE ATT&CK)57

SourceMITRE ATT&CK

Vexday analysis

O Medusa Group atua desde pelo menos 2021, tendo iniciado suas operações como um grupo fechado de ransomware antes de evoluir para um modelo de Ransomware-as-a-Service (RaaS); alguns relatos indicam que determinados ataques ainda são conduzidos diretamente pelos desenvolvedores centrais do malware. O grupo é também referenciado publicamente pelos aliases "Spearwing" e "Medusa Actors". Em suas operações, emprega técnicas de living-off-the-land, fazendo uso frequente de ferramentas publicamente disponíveis e softwares comuns de gerenciamento remoto, além de adotar táticas de dupla extorsão mediante exfiltração de dados. O grupo possui 57 técnicas documentadas no MITRE ATT&CK (identificador G1051) e 4 CVEs atribuídas como parte de seu repertório de exploração.

Attack chain

Plausible scenario built from the group's real techniques, ordered by the phases of an attack. Each step shows how the group typically operates.

Arsenal severity82

Impact: High

Illustrative chain derived from techniques documented in MITRE ATT&CK — it does not represent a specific past attack. Severity summarizes the known arsenal (kill-chain coverage, actively exploited CVEs, techniques).

Techniques (MITRE ATT&CK) 57

How the group operates, mapped to the MITRE ATT&CK matrix and organized by the phases of an attack.

Resource development

Web Services Social Media Accounts Email Accounts Tool Upload Tool Acquire Access

Initial access

Exploit Public-Facing Application

Execution

Windows Management Instrumentation PowerShell Windows Command Shell Software Deployment Tools Native API Component Object Model Service Execution

Persistence

Domain Account Web Shell Windows Service

Privilege escalation

Bypass User Account Control

Credential access

LSASS Memory NTDS

Discovery

System Network Configuration Discovery Remote System Discovery System Owner/User Discovery Network Service Discovery Process Discovery Domain Groups System Information Discovery File and Directory Discovery Local Account Network Share Discovery Security Software Discovery Device Driver Discovery

Lateral movement

Remote Desktop Protocol Lateral Tool Transfer

Command and control

Web Protocols Multi-hop Proxy Ingress Tool Transfer Remote Access Tools Asymmetric Cryptography

Exfiltration

Exfiltration to Cloud Storage

Impact

Data Encrypted for Impact Service Stop Inhibit System Recovery System Shutdown/Reboot Financial Theft

defense-impairment

Modify Registry Code Signing Disable or Modify Tools Disable or Modify System Firewall Prevent Command History Logging

stealth

Software Packing Command Obfuscation Clear Command History File Deletion Valid Accounts MMC Hidden Window

Exploited vulnerabilities 4

CVEs this group is known to exploit, per MITRE ATT&CK. Ordered by real-world severity.

CVE-2024-1709CRITICALEPSS 100%KEV CVE-2014-7169CRITICALEPSS 100%KEV CVE-2023-48788CRITICALEPSS 98%KEV CVE-2016-6662EPSS 68%

Known infrastructure 3

Real indicators (C2, domains, URLs and hashes) associated with the malware this group uses. Source: abuse.ch (ThreatFox, URLhaus, MalwareBazaar).

sha1_hashc5ec7e2ad924e832e49fbac9d0c82719b570e080MimiKatzthreatfox

md5_hash77c96f339974b65ae435313a8fcc3b35MimiKatzthreatfox

sha256_hash889cc3e793cb39889c7acc8e73a84973e9a08fcd69451f7b546509c74ffdda90MimiKatzthreatfox

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