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Category: Trend Micro Research : Malware

Analyzing a Multi-Stage AsyncRAT Campaign via Managed Detection and Response

Threat actors exploited Cloudflare’s free-tier infrastructure and legitimate Python environments to deploy the AsyncRAT remote access trojan, demonstrating advanced evasion techniques that abuse trusted cloud services for malicious operations.

ValleyRAT Campaign Targets Job Seekers, Abuses Foxit PDF Reader for DLL Side-loading

Job seekers looking out for opportunities might instead find their personal devices compromised, as a ValleyRAT campaign propagated through email leverages Foxit PDF Reader for concealment and DLL side-loading for initial entry.

Shai-hulud 2.0 Campaign Targets Cloud and Developer Ecosystems

Shai-hulud 2.0 campaign features a sophisticated variant capable of stealing credentials and secrets from major cloud platforms and developer services, while automating the backdooring of NPM packages maintained by victims. Its advanced tactics enable rapid, stealthy propagation across the software supply chain, putting countless downstream users at risk.

Trend & AWS Partner on Cloud IPS: One-Click Protection

In the race to secure cloud infrastructure, intrusion prevention systems (IPS) remain one of the most critical yet complex at the cloud network layer of defense. For many organizations, deploying IPS in the cloud is a balancing act between agility and control.

How are you managing cloud risk?

Learn why managing cloud risk demands unified visibility, continuous risk assessment, and efficient security operations. Discover how a full-featured CNAPP like Trend Vision One™ Cloud Security enables organizations to move from reactive to proactive cloud protection.

Active Water Saci Campaign Spreading Via WhatsApp Features Multi-Vector Persistence and Sophisticated C&C

Continuous investigation on the Water Saci campaign reveals innovative email-based C&C system, multi-vector persistence, and real-time command capabilities that allow attackers to orchestrate coordinated botnet operations, gather detailed campaign intelligence, and dynamically control malware activity across multiple infected machines.

Fast, Broad, and Elusive: How Vidar Stealer 2.0 Upgrades Infostealer Capabilities

Trend Research examines the latest version of the Vidar stealer, which features a full rewrite in C, a multithreaded architecture, and several enhancements that warrant attention. Its timely evolution suggests that Vidar is positioning itself to occupy the space left after Lumma Stealer’s decline.

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

EvilAI Operators Use AI-Generated Code and Fake Apps for Far-Reaching Attacks

Combining AI-generated code and social engineering, EvilAI operators are executing a rapidly expanding campaign, disguising their malware as legitimate applications to bypass security, steal credentials, and persistently compromise organizations worldwide.

An MDR Analysis of the AMOS Stealer Campaign Targeting macOS via ‘Cracked’ Apps

Trend™ Research analyzed a campaign distributing Atomic macOS Stealer (AMOS), a malware family targeting macOS users. Attackers disguise the malware as “cracked” versions of legitimate apps, luring users into installation.

Unlocking the Power of Amazon Security Lake for Proactive Security

Security is a central challenge in modern application development and maintenance, requiring not just traditional practices but also a deep understanding of application architecture and data flow. While organizations now have access to rich data like logs and telemetry, the real challenge lies in translating this information into actionable insights. This article explores how leveraging…

Back to Business: Lumma Stealer Returns with Stealthier Methods

Lumma Stealer has re-emerged shortly after its takedown. This time, the cybergroup behind this malware appears to be intent on employing more covert tactics while steadily expanding its reach. This article shares the latest methods used to propagate this threat.

BPFDoor’s Hidden Controller Used Against Asia, Middle East Targets

A controller linked to BPF backdoor can open a reverse shell, enabling deeper infiltration into compromised networks. Recent attacks have been observed targeting the telecommunications, finance, and retail sectors across South Korea, Hong Kong, Myanmar, Malaysia, and Egypt.

BPFDoor’s Hidden Controller Used Against Asia, Middle East Targets

A controller linked to BPF backdoor can open a reverse shell, enabling deeper infiltration into compromised networks. Recent attacks have been observed targeting the telecommunications, finance, and retail sectors across South Korea, Hong Kong, Myanmar, Malaysia, and Egypt.

BPFDoor’s Hidden Controller Used Against Asia, Middle East Targets

A controller linked to BPF backdoor can open a reverse shell, enabling deeper infiltration into compromised networks. Recent attacks have been observed targeting the telecommunications, finance, and retail sectors across South Korea, Hong Kong, Myanmar, Malaysia, and Egypt.

SocGholish’s Intrusion Techniques Facilitate Distribution of RansomHub Ransomware

Trend Research analyzed SocGholish’s MaaS framework and its role in deploying RansomHub ransomware through compromised websites, using highly obfuscated JavaScript loaders to evade detection and execute various malicious tasks.

SocGholish’s Intrusion Techniques Facilitate Distribution of RansomHub Ransomware

Trend Research analyzed SocGholish’s MaaS framework and its role in deploying RansomHub ransomware through compromised websites, using highly obfuscated JavaScript loaders to evade detection and execute various malicious tasks.

SocGholish’s Intrusion Techniques Facilitate Distribution of RansomHub Ransomware

Trend Research analyzed SocGholish’s MaaS framework and its role in deploying RansomHub ransomware through compromised websites, using highly obfuscated JavaScript loaders to evade detection and execute various malicious tasks.

Black Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal

In this blog entry, we discuss how the Black Basta and Cactus ransomware groups utilized the BackConnect malware to maintain persistent control and exfiltrate sensitive data from compromised machines.

Black Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal

In this blog entry, we discuss how the Black Basta and Cactus ransomware groups utilized the BackConnect malware to maintain persistent control and exfiltrate sensitive data from compromised machines.

Black Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal

In this blog entry, we discuss how the Black Basta and Cactus ransomware groups utilized the BackConnect malware to maintain persistent control and exfiltrate sensitive data from compromised machines.