N. Korean Hackers 'Mixing' macOS Malware Tactics to Evade Detection

The North Korean threat actors behind macOS malware strains such as RustBucket and KANDYKORN have been observed "mixing and matching" different elements of the two disparate attack chains, leveraging RustBucket droppers to deliver KANDYKORN. The findings come from cybersecurity firm SentinelOne,...

Konni Group Using Russian-Language Malicious Word Docs in Latest Attacks

A new phishing attack has been observed leveraging a Russian-language Microsoft Word document to deliver malware capable of harvesting sensitive information from compromised Windows hosts. The activity has been attributed to a threat actor called Konni, which is assessed to share overlaps with a...

The Lethal Advancement of DarkGate Malware-as-a-Service

Summary: DarkGate, a formidable Remote Access Trojan RAT, functions as a Malware-as-a-Service MaaS and is masterminded by the elusive RastaFarEye within the underground cybercrime landscape. The latest iteration, DarkGate 5.0.19, advances upon its predecessors with sophisticated evasion technique...

New Agent Tesla Malware Variant Using ZPAQ Compression in Email Attacks

A new variant of the Agent Tesla malware has been observed delivered via a lure file with the ZPAQ compression format to harvest data from several email clients and nearly 40 web browsers. "ZPAQ is a file compression format that offers a better compression ratio and journaling function compared t...

The Continued Evolution of the DarkGate Malware-as-a-Service

The Continued Evolution of the DarkGate Malware-as-a-Service By Ernesto Fernández Provecho, Pham Duy Phuc, Ciana Driscoll and Vinoo Thomas · November 21, 2023 On September 2023, the Trellix Security Operations Center SOC successfully detected and stopped an attack against Musarubra, the holding...

The Continued Evolution of the DarkGate Malware-as-a-Service

The Continued Evolution of the DarkGate Malware-as-a-Service By Ernesto Fernández Provecho, Pham Duy Phuc, Ciana Driscoll and Vinoo Thomas · November 21, 2023 On September 2023, the Trellix Security Operations Center SOC successfully detected and stopped an attack against Musarubra, the holding...

NetSupport RAT Infections on the Rise - Targeting Government and Business Sectors

Threat actors are targeting the education, government and business services sectors with a remote access trojan called NetSupport RAT. "The delivery mechanisms for the NetSupport RAT encompass fraudulent updates, drive-by downloads, utilization of malware loaders such as GHOSTPULSE, and various...

New PoC Exploit for Apache ActiveMQ Flaw Could Let Attackers Fly Under the Radar

Cybersecurity researchers have demonstrated a new technique that exploits a critical security flaw in Apache ActiveMQ to achieve arbitrary code execution in memory. Tracked as CVE-2023-46604 CVSS score: 10.0, the vulnerability is a remote code execution bug that could permit a threat actor to run...

Quasar RAT Utilizes DLL Side-Loading to Evade Detection

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Quasar RAT is an open-source remote access trojan that has been used by cybercriminals and threat actors for various malicious purposes. The use of DLL side-loading is a sophisticated technique that allo...

Quasar RAT Leverages DLL Side-Loading to Fly Under the Radar

The open-source remote access trojan known as Quasar RAT has been observed leveraging DLL side-loading to fly under the radar and stealthily siphon data from compromised Windows hosts. "This technique capitalizes on the inherent trust these files command within the Windows environment," Uptycs...

Vietnamese Hackers Target U.K., U.S., and India with DarkGate Malware

Attacks leveraging the DarkGate commodity malware targeting entities in the U.K., the U.S., and India have been linked to Vietnamese actors associated with the use of the infamous Ducktail stealer. "The overlap of tools and campaigns is very likely due to the effects of a cybercrime marketplace,"...

Malicious NuGet Package Targeting .NET Developers with SeroXen RAT

A malicious package hosted on the NuGet package manager for the .NET Framework has been found to deliver a remote access trojan called SeroXen RAT. The package, named Pathoschild.Stardew.Mod.Build.Config and published by a user named Disti, is a typosquat of a legitimate package called...

Guyana Governmental Entity Hit by DinodasRAT in Cyber Espionage Attack

A governmental entity in Guyana has been targeted as part of a cyber espionage campaign dubbed Operation Jacana. The activity, which was detected by ESET in February 2023, entailed a spear-phishing attack that led to the deployment of a hitherto undocumented implant written in C++ called...

Electron_Shell - Developing A More Covert Remote Access Trojan (RAT) Tool By Leveraging Electron's Features For Command Injection And Combining It With Remote Control Methods

Electronshell Developing a more covert Remote Access Trojan RAT tool by leveraging Electron's features for command injection and combining it with remote control methods. Read More: AOH 024探索将Shell寄生于Electron程序的自动化实现 Features Supports almost all operating systems mac linux windows Supports almost...

ZenRAT Targeting Windows Users Through Fake Bitwarden Installs

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary ZenRAT is a new malware distributed through fake Bitwarden password manager installers, primarily targeting Windows users. It operates as a modular remote access trojan RAT with information-stealing...

Inside XWorm: Malware Analysts Decode the Stealthy Tactics of the Latest Variant

XWorm is a relatively new representative of the remote access trojan cohort that has already earned its spot among the most persistent threats across the globe. Since 2022, when it was first observed by researchers, it has undergone a number of major updates that have significantly enhanced its...

Chinese Redfly Group Compromised a Nation's Critical Grid in 6-Month ShadowPad Campaign

A threat actor called Redfly has been linked to a compromise of a national grid located in an unnamed Asian country for as long as six months earlier this year using a known malware referred to as ShadowPad. "The attackers managed to steal credentials and compromise multiple computers on the...

Sophisticated Phishing Campaign Deploying Agent Tesla, OriginBotnet, and RedLine Clipper

A sophisticated phishing campaign is using a Microsoft Word document lure to distribute a trifecta of threats, namely Agent Tesla, OriginBotnet, and RedLine Clipper, to gather a wide range of information from compromised Windows machines. "A phishing email delivers the Word document as an...

New SuperBear Trojan Emerges in Targeted Phishing Attack on South Korean Activists

A new phishing attack likely targeting civil society groups in South Korea has led to the discovery of a novel remote access trojan called SuperBear. The intrusion singled out an unnamed activist, who was contacted in late August 2023 and received a malicious LNK file from an address impersonatin...

Lazarus Group Uses ManageEngine Exploit to Unlock Path for QuiteRAT

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The Lazarus Group, a threat actor associated with North Korea, has been detected utilizing a recently patched critical security vulnerability in Zoho ManageEngine ServiceDesk Plus. This vulnerability was...