Category: Malware Analysis
Articles tagged Malware Analysis

Illuminating VoidLink: Technical analysis of the VoidLink rootkit framework
Elastic Security Labs analyzes VoidLink, a sophisticated Linux malware framework that combines traditional Loadable Kernel Modules with eBPF to maintain persistence.

From Invitation to Infection: How SILENTCONNECT Delivers ScreenConnect
SILENTCONNECT is a multi-stage loader that leverages VBScript, in-memory PowerShell execution, and PEB masquerading to silently deploy the ScreenConnect RMM tool.

Hooked on Linux: Rootkit Taxonomy, Hooking Techniques and Tradecraft
In this first part of a two-part series, we explore Linux rootkit taxonomy, trace their evolution from userland shared object hijacking and kernel-space loadable kernel module hooking to modern eBPF- and io_uring-powered techniques.

MIMICRAT: ClickFix Campaign Delivers Custom RAT via Compromised Legitimate Websites
Elastic Security Labs uncovered a ClickFix campaign using compromised legitimate sites to deliver a five-stage chain ending in MIMICRAT, a custom native C RAT with malleable C2, token theft, and SOCKS5 tunneling.

BADIIS to the Bone: New Insights to a Global SEO Poisoning Campaign
In November 2025, Elastic Security Labs observed an intrusion affecting a multinational organization based in Southeast Asia. During the analysis of this activity, our team observed various post-compromise techniques and tooling used to deploy BADIIS malware onto a Windows web server consistent with other industry publications.

NANOREMOTE, cousin of FINALDRAFT
The fully-featured backdoor we call NANOREMOTE shares characteristics with malware described in REF7707 and is similar to the FINALDRAFT implant.

RONINGLOADER: DragonBreath’s New Path to PPL Abuse
Elastic Security Labs uncovers RONINGLOADER, a multi-stage loader deploying DragonBreath’s updated gh0st RAT variant. The campaign weaponizes signed drivers, thread-pool injection, and PPL abuse to disable Defender and evade Chinese EDR tools.

TOLLBOOTH: What's yours, IIS mine
REF3927 abuses publicly disclosed ASP.NET machine keys to compromise IIS servers and deploy TOLLBOOTH SEO cloaking modules globally.

NightMARE on 0xelm Street, a guided tour
This article describes nightMARE, a python-based library for malware researchers that was developed by Elastic Security Labs to help scale analysis. It describes how we use nightMARE to develop malware configuration extractors and carve out intelligence indicators.

WARMCOOKIE One Year Later: New Features and Fresh Insights
A year later: Elastic Security Labs re-examines the WARMCOOKIE backdoor.

MaaS Appeal: An Infostealer Rises From The Ashes
NOVABLIGHT is a NodeJS infostealer developed and sold as a MaaS offering; it is used primarily to steal credentials and compromise cryptowallets.

A Wretch Client: From ClickFix deception to information stealer deployment
Elastic Security Labs detected a surge in ClickFix campaigns, using GHOSTPULSE to deploy Remote Access Trojans and data-stealing malware.