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 David Deflache, Sebastien Tricaud Summary This week, we share data from another attack being exploited. In mid-Autumn 2021, Kaspersky experts uncovered a ShadowPad malware campaign targeting a national telecom company in Pakistan. The attack, presumed to have begun in winter 2021, exploited MS Exchange vulnerability (CVE-2021-26855) to install a Cobalt…
TLP TLP TLP CLEAR Author Sebastien Tricaud Summary This scenario automates the download and installation of AnyDesk, a remote desktop software, on a Windows system. It begins by resolving the IP address of the AnyDesk download server through DNS resolution. Subsequently, it simulates a Windows environment for an HTTP request, fetches the AnyDesk.exe file from…
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, 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 David DEFLACHE Summary MGM Resorts recently fell victim to a cyberattack orchestrated by a group called Scattered Spider, who employed vishing (voice phishing) techniques to gain access to the company’s systems. The attackers, believed to be in their late teens and early 20s and fluent in English, impersonated an employee…
TLP TLP TLP CLEAR Author David Deflache Summary Microsoft has detected China-linked state-sponsored group HAFNIUM using zero-day exploits to target on-premises Microsoft Exchange Servers. The group gained access to servers, email accounts, and installed malware. Vulnerabilities CVE-2021-26855, -26857, -26858, and -27065 were patched in the latest release. Exchange Online is unaffected. HAFNIUM’s targets include US…
TLP TLP TLP CLEAR Authors Sebastien Tricaud, David Deflache Summary GoBruteforcer is a newly discovered Golang-based malware that targets web servers running phpMyAdmin, MySQL, FTP, and Postgres services. The malware was found on a legitimate website and utilizes different processor architectures. It deploys an IRC bot for communication with the attacker’s server and uses specific…
TLP TLP TLP CLEAR Author David Deflache Summary The attack on the Microsoft SQL Server involved a series of sophisticated techniques employed by the adversaries. It began with the initial stage of reconnaissance, where the attackers sought to identify vulnerabilities and potential entry points. They then proceeded to exploit a known vulnerability in the server…
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