The Play ransomware gang exploited critical vulnerabilities in SimpleHelp, a remote support tool widely used by managed service providers (MSPs) and IT teams. The most severe flaw, CVE-2024-57727 (path traversal), allowed unauthenticated attackers to download arbitrary files from SimpleHelp servers, granting initial access to multiple client environments simultaneously. This breach enabled follow-on ransomware attacks, including deployments of DragonForce ransomware in at least one confirmed case. While only nine healthcare organizations were directly impacted, the advisory from the FBI and CISA warned that Play ransomware has compromised ~900 organizations globally since 2022, targeting critical infrastructure across North/South America and Europe. The attack chain leveraged SimpleHelp’s trusted status to propagate laterally, disrupting operations, exposing sensitive data, and potentially enabling supply-chain attacks on downstream clients. SimpleHelp released patches, but delayed updates left many systems vulnerable, amplifying the risk of data exfiltration, operational outages, and financial extortion. The incident underscores the systemic threat posed by RMM tool exploits in enabling large-scale ransomware campaigns.
Source: https://www.cybersecuritydive.com/news/fbi-cisa-play-ransomware-critical-infrastructure/749940/
TPRM report: https://www.rankiteo.com/company/simplehelp-ltd
"id": "sim2780927120125",
"linkid": "simplehelp-ltd",
"type": "Ransomware",
"date": "6/2022",
"severity": "100",
"impact": "5",
"explanation": "Attack threatening the organization’s existence"{'affected_entities': [{'customers_affected': '900+ organizations (indirectly '
'via compromised RMM tool)',
'industry': 'IT/Remote Monitoring and Management (RMM)',
'name': 'SimpleHelp (vendor)',
'type': 'software vendor'},
{'industry': ['energy',
'transportation',
'healthcare (9 entities)',
'other sectors'],
'location': ['North America',
'South America',
'Europe'],
'type': 'critical infrastructure organizations'},
{'industry': 'IT services',
'type': 'managed service providers (MSPs)'}],
'attack_vector': ['exploitation of public-facing application (SimpleHelp)',
'path traversal (CVE-2024-57727)',
'initial access broker (IAB) affiliation'],
'customer_advisories': ['SimpleHelp vendor notifications',
'MSP-specific guidance from CISA'],
'date_publicly_disclosed': '2024-05-29',
'description': 'The FBI and CISA issued a joint advisory warning that the '
'Play ransomware gang (also known as PlayCrypt) has been '
'actively targeting U.S. critical infrastructure and other '
'organizations globally since June 2022. The group has '
'breached approximately 900 organizations across North '
'America, South America, and Europe as of May 2024. Recent '
'attacks exploit three vulnerabilities in the SimpleHelp '
'remote support tool, including a critical path traversal flaw '
'(CVE-2024-57727), which allows unauthenticated file '
'downloads. The group has previously targeted ConnectWise '
'ScreenConnect and Rackspace. While only nine healthcare '
'entities were affected, the advisory urges all sectors to '
'apply mitigations urgently. SimpleHelp has released patches, '
'and CISA added CVE-2024-57727 to its known exploited '
'vulnerabilities catalog in February 2024.',
'impact': {'brand_reputation_impact': 'High (targeting critical '
'infrastructure and 900+ organizations '
'globally)',
'operational_impact': 'Potential disruption to managed service '
'providers (MSPs) and their clients due to '
'RMM tool compromise',
'systems_affected': ['SimpleHelp remote support tool',
'connected client environments (via RMM '
'compromise)']},
'initial_access_broker': {'entry_point': ['SimpleHelp vulnerabilities '
'(CVE-2024-57727, others)',
'ConnectWise ScreenConnect '
'(historical)',
'Rackspace (historical)'],
'high_value_targets': ['RMM tools',
'managed service providers '
'(MSPs)',
'critical infrastructure '
'organizations']},
'investigation_status': 'ongoing (FBI/CISA-led)',
'lessons_learned': ['RMM tools like SimpleHelp are high-value targets due to '
'their broad access to client environments.',
'Prompt patching of vulnerabilities in remote support '
'tools is critical to prevent supply chain attacks.',
'Initial access brokers (IABs) play a key role in '
'facilitating ransomware attacks by selling access to '
'compromised systems.',
'Cross-sector collaboration (e.g., FBI/CISA advisories) '
'is essential for mitigating widespread threats.'],
'motivation': 'financial gain (ransomware operations)',
'post_incident_analysis': {'corrective_actions': ['Vendor patches for '
'SimpleHelp vulnerabilities',
'Enhanced monitoring of RMM '
'tools by MSPs',
'Updated FBI/CISA guidance '
'on securing remote '
'management tools',
'Inclusion of '
'CVE-2024-57727 in CISA KEV '
'catalog to drive patching'],
'root_causes': ['Unpatched vulnerabilities in '
'SimpleHelp (CVE-2024-57727 and '
'others)',
'Inadequate security controls for '
'RMM tools (historical pattern)',
'Effective exploitation of supply '
'chain trust relationships']},
'ransomware': {'ransomware_strain': ['Play (PlayCrypt)',
'DragonForce (in separate but related '
'incident)']},
'recommendations': ['Apply SimpleHelp security updates immediately to address '
'CVE-2024-57727 and related vulnerabilities.',
'Implement network segmentation to limit lateral movement '
'from compromised RMM tools.',
'Monitor RMM tools for anomalous activity, such as '
'unauthorized file downloads or lateral movement.',
'Review and harden configurations of remote support tools '
'to reduce attack surface.',
'Educate employees and MSP clients on the risks of '
'ransomware and phishing attacks.',
'Participate in information-sharing organizations (e.g., '
'ISACs) for sector-specific threat intelligence.',
'Develop and test incident response plans for ransomware '
'scenarios, including supply chain compromises.'],
'references': [{'date_accessed': '2024-05-29', 'source': 'Cybersecurity Dive'},
{'date_accessed': '2024-05-29',
'source': 'FBI/CISA Joint Advisory on Play Ransomware'},
{'date_accessed': '2024-01',
'source': 'Horizon3.ai Vulnerability Disclosure (SimpleHelp)'},
{'date_accessed': '2024-05',
'source': 'Sophos Incident Report (DragonForce Ransomware via '
'SimpleHelp)'},
{'date_accessed': '2024-02',
'source': 'CISA Known Exploited Vulnerabilities (KEV) Catalog',
'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog'}],
'regulatory_compliance': {'regulatory_notifications': ['FBI/CISA joint '
'advisory (May 2024)',
'CISA KEV catalog '
'addition (February '
'2024)']},
'response': {'communication_strategy': ['joint FBI/CISA advisory (May 2024)',
'vendor notifications (SimpleHelp)'],
'containment_measures': ['vendor patches for SimpleHelp '
'vulnerabilities',
'CISA KEV catalog inclusion '
'(CVE-2024-57727)'],
'enhanced_monitoring': 'Recommended for RMM tools and connected '
'environments',
'law_enforcement_notified': True,
'remediation_measures': ['apply SimpleHelp security updates',
'review RMM tool configurations',
'monitor for unauthorized access'],
'third_party_assistance': ['Horizon3.ai (vulnerability research)',
'Sophos (incident analysis)']},
'stakeholder_advisories': ['FBI/CISA joint advisory (May 2024)',
'Health-ISAC recommendations for healthcare '
'sector'],
'threat_actor': 'Play Ransomware Gang (aka PlayCrypt)',
'title': 'Play Ransomware Gang Targets U.S. Critical Infrastructure via '
'SimpleHelp Vulnerabilities',
'type': ['ransomware', 'supply chain attack', 'vulnerability exploitation'],
'vulnerability_exploited': [{'cve_id': 'CVE-2024-57727',
'description': 'Path traversal vulnerability in '
'SimpleHelp allowing '
'unauthenticated arbitrary file '
'downloads',
'patch_status': 'patched (vendor update '
'available)'},
{'description': 'Two additional undisclosed '
'vulnerabilities in SimpleHelp '
'(disclosed by Horizon3.ai in '
'January 2024)',
'patch_status': 'patched'}]}