APT Intelligence Directory
Institute for Critical Infrastructure Cybersecurity
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BianLian

Medium ConfidenceMedium Threat

Bianlian Ransomware

BianLian is a ransomware operation that has been active since at least 2022, initially using encryption-based attacks before transitioning to pure data extortion in early 2023. The group targets organizations across healthcare, education, and professional services sectors. BianLian is known for exploiting vulnerabilities in remote access services and using legitimate tools for lateral movement. Their shift away from encryption represents an evolution in ransomware tactics toward data theft-focused extortion.

Origin: Russia
Sponsor: Cybercriminal (No State Sponsor)
Active: 2022 - Present
Victims: 150+ organizations
Advanced
Active
Financial Gain
Risk Assessment
66
Composite Risk Score
Medium Risk
ARCS Compliance68
Escalation Risk65
Grievance Index60
Infrastructure Impact70
History & Evolution

BianLian is a ransomware operation that has been active since at least 2022, initially using encryption-based attacks before transitioning to pure data extortion in early 2023. The group targets organizations across healthcare, education, and professional services sectors. BianLian is known for exploiting vulnerabilities in remote access services and using legitimate tools for lateral movement. Their shift away from encryption represents an evolution in ransomware tactics toward data theft-focused extortion.

Targeting

Target Sectors

HealthcareProfessional ServicesManufacturingLegal

Target Regions

United StatesEuropeAustralia
Attribution & Affiliations

Attributed to Cybercriminal (No State Sponsor) (Russia). Attribution confidence: Medium.

Intelligence Assessment
Medium
Threat Level
Moderately
Targeting
Moderately
Adaptability
Medium
Persistence
Continuous
Op Tempo
Active
Status

Future Outlook

BianLian is expected to continue operations targeting Healthcare sectors.

Timeline of Key Events
2022
Major

First observed activity of BianLian

2024
Moderate

Continued active operations