All attack reports

This report analyzes how threat actors can exploit misconfigured Jenkins servers to execute malicious Groovy scripts, leading to activities like deploying cryptocurrency miners. Misconfigurations exposing the /script endpoint allow remote code execution, enabling attackers to run scripts that downl…

This analysis describes the identification of a server likely exploiting ProxyLogon and ProxyShell vulnerabilities to gain unauthorized access to government email servers across Asia, Europe, and South America. The threat actor leveraged open-source exploit code to infiltrate systems and steal sens…

In June 2024, eSentire's Threat Response Unit observed several incidents involving users downloading the ScreenConnect remote access client, potentially facilitated through drive-by downloads. Threat actors exploited ScreenConnect to establish unauthorized remote sessions, ultimately deploying the …

The report analyzes Kematian Stealer, a sophisticated PowerShell-based malware that exfiltrates sensitive data from infected systems. It is a forked version of PowerShell Token Grabber, with added capabilities like GUI builder, anti-analysis features, and stealing WiFi passwords, screenshots, and s…

The Mekotio banking trojan, active since 2015, primarily targets Latin American countries to steal sensitive banking credentials through phishing emails containing malicious links or attachments. Upon execution, it gathers system information, connects to a command-and-control server, and performs c…

The report analyzes the Mallox ransomware, which has been active since mid-2021 and focuses on multi-extortion by encrypting victims' data and threatening to post it on public TOR sites. Initially targeting Windows systems, Mallox has now developed Linux variants using custom Python scripts for pay…

This article demonstrates how to circumvent anti-analysis techniques employed by GootLoader malware while utilizing Node.js debugging in Visual Studio Code. GootLoader JavaScript files employ an evasion technique that can pose a formidable challenge for sandboxes attempting to analyze the malware. …

This report provides an in-depth analysis of the evolution of SmokeLoader, a prominent malware downloader that has been active since 2011. It examines the significant changes and improvements introduced in SmokeLoader versions from 2015 to 2022, including updates to its communication protocol, encr…

A remote code execution vulnerability (CVE-2024-23692) in the HFS (HTTP File Server) program has allowed attackers to execute malicious commands on vulnerable systems. Various attack cases exploiting this vulnerability have been observed, leading to the installation of malware such as coin miners, …

A cybersecurity firm has encountered a new ransomware organization, dubbed Volcano Demon, responsible for recent attacks involving an encryptor called LukaLocker. The malware encrypts victims' files with the .nba extension and was successful in compromising Windows workstations and servers after ha…

This intelligence report analyzes the ONNX Store, a phishing-as-a-service platform targeting financial institutions through embedded QR codes in PDF attachments redirecting victims to phishing sites. The report details the platform's features, including two-factor authentication bypass, realistic M…

During the first semester of 2024, FakeBat (aka EugenLoader, PaykLoader) was one of the most widespread loaders using the drive-by download technique. Researchers uncovered multiple FakeBat distribution campaigns leveraging malvertising, software impersonation, fake web browser updates, and social …