How ToddyCat tried to hide behind AV software

To hide their activity in infected systems, APT groups resort to various techniques to bypass defenses. Most of these techniques are well known and detectable by both EPP solutions and EDR threat-monitoring and response tools. In early 2024, while investigating Read More …

TookPS: DeepSeek isn’t the only game in town

In early March, we published a study detailing several malicious campaigns that exploited the popular DeepSeek LLM as a lure. Subsequent telemetry analysis indicated that the TookPS downloader, a malware strain detailed in the article, was not limited to mimicking Read More …

The Espionage Toolkit of Earth Alux: A Closer Look at its Advanced Techniques

The Earth Alux APT group’s schemes and tactics have been uncloaked through our relentless monitoring and investigation efforts. The China-linked intrusion set is actively launching cyberespionage attacks against the government, technology, logistics, manufacturing, telecommunications, IT services, and retail sectors. The Read More …

MoDiRAT Malware Uses Horus Protector to Target France

The SonicWall Capture Labs threat research team has identified a new development in the Horus Protector distributed infection chain. Recently, it has been targeting the French region with MoDiRAT, a malware notorious for stealing credit card and other victim information. Read More …

StilachiRAT analysis: From system reconnaissance to cryptocurrency theft

In November 2024, Microsoft Incident Response researchers uncovered a novel remote access trojan (RAT) they named StilachiRAT that demonstrates sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data. Analysis of the StilachiRAT’s WWStartupCtrl64.dll module that Read More …

New XCSSET malware adds new obfuscation, persistence techniques to infect Xcode projects

Microsoft Threat Intelligence has uncovered a new variant of XCSSET, a sophisticated modular macOS malware that infects Xcode projects, in the wild during routine threat hunting. Its first known variant since 2022, this latest XCSSET malware features enhanced obfuscation methods, Read More …

DCRat backdoor returns

Since the beginning of the year, Kaspersky researchers have been tracking in their telemetry a new wave of DCRat distribution, with paid access to the backdoor provided under the Malware-as-a-Service (MaaS) model. The cybercriminal group behind it also offers support Read More …

Threat Actor Delivers Highly Targeted Multistage Polyglot Malware

In fall 2024, UNK_CraftyCamel leveraged a compromised Indian electronics company to target fewer than five organizations in the United Arab Emirates with a malicious ZIP file that leveraged multiple polyglot files to eventually install a custom Go backdoor dubbed Sosano. Read More …

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

The Trend Micro Managed XDR and Incident Response (IR) teams recently analyzed incidents where threat actors deploying Black Basta and Cactus ransomware used the same BackConnect malware to strengthen their foothold on compromised machines. The BackConnect malware is a tool Read More …