Ransomware - Cybersec Sentinel

Ransomware

A collection of 28 posts

Threat Actor Azote Group Expands Nitrogen Ransomware Campaign Targeting IT and Finance

Threat Actor Azote Group Expands Nitrogen Ransomware Campaign Targeting IT and Finance

Threat Group: Azote Group / UNC4696 Threat Type: Ransomware (Double Extortion), Initial Access Broker Exploited Vulnerabilities: Malvertising, DLL Sideloading, Vulnerable Drivers, Social Engineering Malware Used: NitrogenLoader, NitrogenInstaller, NitrogenStager, Sliver, Cobalt Strike, BlackCat/ALPHV, KeeLoader Threat Score: 🔥 Critical (9.1/10) – Due to its modular, evasive attack chain, and confirmed links to

PE32 Ransomware Operators Leverage RDP and Phishing to Breach Enterprise Systems

PE32 Ransomware Operators Leverage RDP and Phishing to Breach Enterprise Systems

Threat Group: - Dmc Threat Type: - Ransomware Exploited Vulnerabilities: - None identified (Phishing and RDP compromise suspected) Malware Used: - PE32 Ransomware Threat Score: - 🔴 High (7.5/10) – Due to Telegram-based C2, data exfiltration, and rapid file encryption Last Threat Observation: - 23 April 2025 Overview PE32 ransomware

MedusaLocker Variant ETHAN Deploys Stronger Encryption and Data Theft

MedusaLocker Variant ETHAN Deploys Stronger Encryption and Data Theft

Threat Group: MedusaLocker Threat Type: Ransomware Exploited Vulnerabilities: No specific vulnerabilities identified; relies on common malware distribution methods Malware Used: ETHAN Ransomware (variant of MedusaLocker) Threat Score: High (9.0/10) – Due to its double-extortion tactics, data encryption capabilities, and impact on critical business operations. Last Threat Observation: March 02,

The New Ransomware Menace Vgod Gains Momentum

The New Ransomware Menace Vgod Gains Momentum

Threat Group – Vgod Crew Threat Type – Ransomware Exploited Vulnerabilities – Unpatched remote code execution flaws, vulnerabilities in VPNs, weak passwords Malware Used – Vgod Ransomware, Custom Trojanized Toolsets Threat Score – High (8.7 out of 10) – Reflecting advanced encryption, double extortion tactics, cross-platform targeting, and alignment with broader ransomware trends Last Threat

Interlock Ransomware Targets FreeBSD and Critical Infrastructure

Interlock Ransomware Targets FreeBSD and Critical Infrastructure

Threat Group: Interlock Threat Type: Ransomware Exploited Vulnerabilities: Network vulnerabilities; FreeBSD and VMware ESXi environments Malware Used: Interlock ransomware variants for FreeBSD and Windows Threat Score: High (8.0/10) — due to cross-platform targeting, focus on critical infrastructure, and double-extortion tactics Last Threat Observation: November 2024 Overview Interlock ransomware is

Emerging Threat Play Ransomware Targets Critical Infrastructure

Emerging Threat Play Ransomware Targets Critical Infrastructure

Threat Type: Ransomware Exploited Vulnerabilities: Microsoft Exchange ProxyNotShell (CVE-2022-41040, CVE-2022-41082), FortiOS vulnerabilities (CVE-2018-13379, CVE-2020-12812), Remote Desktop Protocol (RDP) Malware Used: Play ransomware encryptor, custom VSS copying tool, Grixba information stealer Threat Score: Critical (9/10) — Enhanced threat level due to state-backed collaborations and increased targeting of high-value sectors Last Threat

Qilin.B New Variant Disrupts Backups and Evades Detection Tools

Qilin.B New Variant Disrupts Backups and Evades Detection Tools

Threat Group: Qilin (formerly Agenda) Threat Type: Ransomware-as-a-Service (RaaS) Exploited Vulnerabilities: Weak credentials, network misconfigurations Malware Used: Qilin.B variant Threat Score: High (8.5/10) — Due to enhanced encryption, evasion, and the ability to disrupt backup systems. Last Threat Observation: October 2024, spotted in attacks against healthcare and large

Akira Ransomware Adapts Its Tactics to Exploit Major Vulnerabilities in 2024

Akira Ransomware Adapts Its Tactics to Exploit Major Vulnerabilities in 2024

Threat Group: Akira Ransomware Threat Type: Ransomware Exploited Vulnerabilities: , CVE-2024-40766 (SonicWall), CVE-2020-3259 (Cisco), CVE-2023-20263 (Cisco), CVE-2023-20269 (Cisco), CVE-2023-27532 (Veeam), CVE-2023-48788 (Ubuntu), CVE-2024-37085 (SAP), CVE-2024-40711 (Microsoft) Malware Used: Akira, Megazord Threat Score: 8.5/10 Last Threat Observation: October 22, 2024 (Resurfaced) Overview Akira ransomware has resurfaced with advanced capabilities, exploiting

Fog Ransomware Goes Global, Disrupting U.S. and Australian Sectors

Fog Ransomware Goes Global, Disrupting U.S. and Australian Sectors

Threat Group: FOG Threat Type: Ransomware Exploited Vulnerabilities: Compromised VPN credentials, Windows system vulnerabilities Malware Used: FOG Ransomware (Variant of STOP/DJVU) Threat Score: High (8.5/10) – due to its rapid file encryption, expanding target range, and recent pivot towards data exfiltration for double extortion. Last Threat Observation: October

Dual Threat Crystal Rans0m Combines Ransomware and Infostealing Capabilities

Dual Threat Crystal Rans0m Combines Ransomware and Infostealing Capabilities

Threat Group: Unattributed Threat Type: Hybrid ransomware with stealer capabilities Exploited Vulnerabilities: Outdated software, phishing, P2P downloads Malware Used: Crystal Rans0m (Rust-based) Threat Score: High (8.5/10) — Due to the combination of file encryption, information theft, modular structure, and anti-VM techniques. Last Threat Observation: October 21, 2024 Overview Crystal