TLP TLP TLP CLEAR Author David Deflache, Sebastien Tricaud Summary In early November 2022, a targeted intrusion began via email, delivering an HTML file utilizing HTML smuggling. Previously relying on Excel macros, the threat actor adapted to Microsoft’s macro control updates. Upon opening the HTML, a disguised Adobe page prompted a ZIP download with a…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary In a recent cyber attack, the Snatch Team used RDP brute force to infiltrate a network and rapidly executed a series of sophisticated actions within a short time frame. They gained initial access by logging into a Domain Administrator (DA) account, performed various commands, and initiated…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary The Trigona ransomware, emerging in late 2022, has rapidly evolved with continuous updates. By April 2023, it started targeting MSSQL servers through brute force methods. This threat is linked to the CryLock ransomware group and possibly ALPHV (BlackCat), though their involvement remains uncertain. The US and…
TLP TLP TLP CLEAR Author Jordi M. Lobo, David Deflache, Sebastien Tricaud Summary Nokoyawa is a cyber intrusion that began with a malicious Excel document in October 2022. The document triggered macros, leading to the execution of an IcedID DLL payload. The attackers established persistence on the host, deployed Cobalt Strike beacons, escalated privileges, and…
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary A new ransomware variant has emerged as part of the Adhubllka ransomware family, targeting individuals and small enterprises with smaller ransom demands to evade media attention. The ransomware spreads via phishing emails and employs a victim portal on Tor for decryption key delivery after ransom payment….
TLP TLP TLP CLEAR Author Jordi M. Lobo Summary Mallox is a ransomware strain that targets Microsoft Windows systems and has been active since June 2021. Recently, Unit 42 researchers observed a significant increase in Mallox ransomware activities, with a rise of almost 174% compared to the previous year. The group exploits unsecured MS-SQL servers…
TLP TLP TLP CLEAR Author Jordi Lobo Summary ESXiArgs VMware Ransomware: Massive VMware: Ransomware attack targeting the VMware ESXi hypervisor. Exploits CVE-2021-21974 vulnerability: This vulnerability affects the Service Location Protocol (SLP) service and allows attackers to exploit arbitrary code remotely. The systems currently targeted are ESXi hypervisors in version 6.x, prior to 6.7, CERT-FR stated….
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