Proofpoint’s Threat Research Team details a recent cyber espionage campaign targeting entities globally and conducted by a threat actor publicly which was attributed in 2021 by multiple governments and was the focus of a 2021 indictment by the US Department of Justice. The targets of this recent campaign spanned Australia, Malaysia, and Europe, as well as entities that operate in the South China Sea.…
Tag: TROJAN
Remcos is a remote access trojan – a malware used to take remote control over infected PCs.This trojan is created and sold to clients by a “business” called Breaking Security.
Although Breaking Security promises that the program is only available to those who intend to use it for legal purposes, in reality, Remcos RAT gives clients all the necessary features to launch potentially destructive attacks.…
A new piece of ransomware written in the Go language has been targeting healthcare and education enterprises in Asia and Africa. This ransomware is called Agenda and is customized per victim.
We recently discovered a new piece of targeted ransomware that was created in the Go programming language and that explicitly targeted one of our customers.…
By Adithya Chandra · August 24, 2022This blog was also written by Sushant Kumar Arya
Executive summaryThe Trellix SecOps Team has observed an uptick in the Qbot malware infections in recent months. Qbot has been an active threat for over 14 years and continues to evolve, adopting new infection vectors to evade detection mechanisms.…
The ASEC analysis team has recently discovered the distribution of BitRAT and XMRig CoinMiner disguised as a Windows license verification tool. As introduced in previous posts, BitRAT has a history of being distributed on webhards as MS Windows license verification tools and MS Office installation programs.…
The ASEC analysis team has recently discovered that malicious AsyncRAT codes are being distributed in fileless form. The distributed AsyncRAT is executed in fileless form through multiple script files and is thought to be distributed as a compressed file attachment in emails. AsyncRAT is an open-source RAT malware developed with .NET…
Threat actors behind the XCSSET malware have been relatively quiet since last year. However, new activity beginning around April 2022 and increasing through May to August shows that actors have not only adapted to changes in macOS Monterey, but are preparing for the demise of Python, an integral and essential part of their current toolkit.…
Recently, a simple and short email with a suspicious RTF attachment that had been sent to a telecommunications agency in South Asia caught the attention of FortiGuard Labs. The email was disguised as having come from a Pakistan government division and delivered the PivNoxy malware.
Affected Platforms: WindowsImpacted Parties: Windows usersImpact: Controls victim’s machine and collects sensitive informationSeverity Level: Medium
This blog describes how the attack works, suggests who the threat actor behind the operation might be, and details the techniques used by the attacker.…
Introduction
Recently Zscaler ThreatLabz observed a Grandoreiro campaign targeting organizations in the Spanish-speaking nations of Mexico and Spain that work across a variety of different industry verticals such as Automotive, Chemicals Manufacturing and others. In this campaign, the threat actors impersonate government officials from the Attorney General’s Office of Mexico City and from the Public Ministry in the form of spear-phishing emails in order to lure victims to download and execute “Grandoreiro” a prolific banking trojan that has been active since at least 2016, and that specifically targets users in Latin America.…
Sophisticated XWorm RAT with Ransomware and HNVC Attack Capabilities
Read More During a routine threat-hunting exercise, Cyble research labs discovered a dark web post where a malware developer was advertising a powerful Windows RAT.
Figure 1 – Dark Web Post for XWormThis post redirected us to the website of the malware developer, where multiple malicious tools are being sold.…
Key Findings:TA558 is a likely financially motivated small crime threat actor targeting hospitality, hotel, and travel organizations.
Since 2018, this group has used consistent tactics, techniques, and procedures to attempt to install a variety of malware including Loda RAT, Vjw0rm, and Revenge RAT.
TA558’s targeting focus is mainly on Portuguese and Spanish speakers, typically located in the Latin America region, with additional targeting observed in Western Europe and North America.…
Read More On August 8, CheckPoint published a report on ten malicious Python packages in the Python Package Index (PyPI), the most popular Python repository among software developers. The malicious packages were intended to steal developers’ personal data and credentials.
Following this research, we used our internal automated system for monitoring open-source repositories and discovered two other malicious Python packages in the PyPI.…
Summary
Read More DarkTortilla is a complex and highly configurable .NET-based crypter that has possibly been active since at least August 2015. It typically delivers popular information stealers and remote access trojans (RATs) such as AgentTesla, AsyncRat, NanoCore, and RedLine. While it appears to primarily deliver commodity malware, Secureworks® Counter Threat Unit™ (CTU) researchers identified DarkTortilla samples delivering targeted payloads such as Cobalt Strike and Metasploit.…
Whether you want to block ads, keep a to-do list or check your spelling, browser extensions allow you to do all of the above and more, improving convenience, productivity and efficiency for free, which is why they are so popular. Chrome, Safari, Mozilla — these and many other major Web browsers — have their own online stores to distribute thousands of extensions, and the most popular plug-ins there reach over 10 million users.…
Webhards are the main platforms that the attackers targeting Korean users exploit to distribute malware. The ASEC analysis team has been monitoring malware types distributed through webhards and uploaded multiple blog posts about them in the past.
Generally, attackers distribute malware with illegal programs such as adult games and crack versions of games.…
This post is also available in: 日本語 (Japanese)
Executive SummaryBeginning in early May 2022, Unit 42 observed a threat actor deploying Cuba Ransomware using novel tools and techniques. Using our naming schema, Unit 42 tracks the threat actor as Tropical Scorpius.
Here, we start with an overview of the ransomware and focus on an evolution of behavior observed leading up to deployment of Cuba Ransomware.…
This blog post was authored by Ankur Saini and Hossein Jazi
The Malwarebytes Threat Intelligence team has identified a new Remote Access Trojan we are calling Woody Rat that has been in the wild for at least one year.
This advanced custom Rat is mainly the work of a threat actor that targets Russian entities by using lures in archive file format and more recently Office documents leveraging the Follina vulnerability.…
Executive Summary
Read More This paper investigates a recent Emotet intrusion and details how the final Emotet payload is installed onto the system. The key observations are:
Obfuscated Excel macros used to download and run the Emotet loader. Emotet loader executed using regsvr32.exe. Encrypted Emotet payload embedded in loader’s .rsrc…
Cisco Talos recently discovered a new attack framework called “Manjusaka” being used in the wild that has the potential to become prevalent across the threat landscape. This framework is advertised as an imitation of the Cobalt Strike framework.
The implants for the new malware family are written in the Rust language for Windows and Linux.…
Read More Industrial Spy is a relatively new ransomware group that emerged in April 2022. In some instances, the threat group appears to only exfiltrate and ransom data, while in other cases they encrypt, exfiltrate and ransom data. Industrial Spy started as a data extortion marketplace where criminals could buy large companies’ internal data; they promoted this marketplace using README.txt…