Tag: downloader

This intelligence details the emergence of malicious campaigns spreading from VSCode to npm. Researchers observed an increasing amount of malicious activity in VSCode Marketplace, with threat actors using npm packages to inject malicious code into VSCode IDE. The campaign initially targeted the cry…

The APT-C-60 group targeted organizations in Japan and East Asia with a sophisticated attack campaign. The attack begins with a phishing email containing a Google Drive link to download a VHDX file. This file includes an LNK file that executes a downloader, which then retrieves a backdoor called Sp…

IBM X-Force observed Hive0147, a highly active threat group in Latin America, distributing a new Golang-based downloader named Picanha to deploy the Mekotio banking trojan. Picanha is a two-stage malware that uses advanced techniques like direct syscalls and supports multiple download URLs, reliabl…

This report provides an in-depth technical analysis of a new variant of the CryptBot infostealer, dubbed Yet Another Silly Stealer (YASS). It details the delivery chain, involving the MustardSandwich downloader, and dissects the YASS payload's functionalities, including its data gathering, encrypti…

Zharkbot is a C++ downloader with extensive anti-analysis and anti-sandbox features. It uses in-line string encryption and API calls, making static and emulation analysis challenging. The malware performs sandbox detection by checking for specific usernames and hypervisors. It installs itself in th…

In April 2024, S2W's Threat Research and Intelligence Center TALON analyzed a malicious LNK file disguised as a list of tax evasion explanatory documents. The LNK file executed a PowerShell command to download and run an AutoIt script-based Lilith RAT malware from an attacker's server, which establ…

The Cyble Research and Intelligence Lab (CRIL) discovered a sophisticated phishing website mimicking Google Safety Centre, designed to trick users into downloading malware. The malware, compromising security and stealing sensitive information, drops two threats: Latrodectus, which maintains persist…

This intelligence report discusses SocGholish, a JavaScript downloader used by threat actors to deliver malware payloads disguised as fake browser updates. It analyzes the recent tactics, techniques, and procedures employed by threat groups like Evil Corp in compromising WordPress websites, fingerp…

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 cybersecurity analysis has identified a malicious operation involving the distribution of a downloader, dubbed DBatLoader or ModiLoader, through CMD files disguised as innocuous files. The campaign leverages phishing emails containing compressed CMD files that, when executed on English-language W…