Zebrocy’s Multilanguage Malware Salad

Zebrocy is Russian speaking APT that presents a strange set of stripes. To keep things simple, there are three things to know about Zebrocy Zebrocy is an active sub-group of victim profiling and access specialists Zebrocy maintains a lineage back through 2013, sharing malware artefacts and...

Steganography in contemporary cyberattacks

Steganography is the practice of sending data in a concealed format so the very fact of sending the data is disguised. The word steganography is a combination of the Greek words στεγανός steganos, meaning "covered, concealed, or protected", and γράφειν graphein meaning "writing". Unlike...

Exploits and vulnerabilities in Q1 2024

We at Kaspersky continuously monitor the evolving cyberthreat landscape to ensure we respond promptly to emerging threats, equipping our products with detection logic and technology. Software vulnerabilities that threat actors can exploit or are already actively exploiting are a critical componen...

Operation TunnelSnake

Windows rootkits, especially those operating in kernel space, are pieces of malware infamous for their near absolute power in the operating system. Usually deployed as drivers, such implants have high privileges in the system, allowing them to intercept and potentially tamper with core I/O...

Large-scale SIM swap fraud

Introduction SIM swap fraud is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification, where the second factor or step is an SMS or a call placed to a mobile telephone. The fraud centers around exploiting a mobile phone operator's...

Windows CLFS and five exploits used by ransomware operators

In April 2023, we published a blog post about a zero-day exploit we discovered in ransomware attacks that was patched as CVE-2023-28252 after we promptly reported it to Microsoft. In that blog post, we mentioned that the zero-day exploit we discovered was very similar to other Microsoft Windows...

SynAck targeted ransomware uses the Doppelgänging technique

The Process Doppelgänging technique was first presented in December 2017 at the BlackHat conference. Since the presentation several threat actors have started using this sophisticated technique in an attempt to bypass modern security solutions. In April 2018, we spotted the first ransomware...

Hey there! How much are you worth?

Have you ever stopped to think just how much your life is worth? I mean really think about it. For instance, let's say you wanted to sell everything you have – your house, your car, your job, your private life, photos and home movies from your childhood, your accounts on various social media, you...

-=TWELVE=- is back

In the spring of 2024, posts with real people's personal data began appearing on the -=TWELVE=- Telegram channel. Soon it was blocked for falling foul of the Telegram terms of service. The group stayed off the radar for several months, but as we investigated a late June 2024 attack, we found that...

Remote spring: the rise of RDP bruteforce attacks

With the spread of COVID-19, organizations worldwide have introduced remote working, which is having a direct impact on cybersecurity and the threat landscape. Alongside the higher volume of corporate traffic, the use of third-party services for data exchange, and employees working on home...

XZ backdoor story – Initial analysis

On March 29, 2024, a single message on the Openwall OSS-security mailing list marked an important discovery for the information security, open source and Linux communities: the discovery of a malicious backdoor in XZ. XZ is a compression utility integrated into many popular distributions of Linux...

OpenTIP, command line edition

For more than a year, we have been providing free intelligence services via the OpenTIP portal. Using the web interface, anyone can upload and scan files with our antivirus engine, get a basic sandbox report, look up various network indicators IP addresses, hosts, URLs. Later on, we presented an...

Looking at Big Threats Using Code Similarity. Part 1

Today, we are announcing the release of KTAE, the Kaspersky Threat Attribution Engine. This code attribution technology, developed initially for internal use by the Kaspersky Global Research and Analysis Team, is now being made available to a wider audience. You can read more about KTAE in our...

How do file partner programs work?

It's easy to notice if you've fallen victim to an advertising partner program: the system has new apps that you didn't install, ad pages spontaneously open in the browser, ads appear on sites where they never used to, and so on. If you notice these symptoms on your computer, and in the list of...

Adaptive protection against invisible threats

Corporate endpoint security technologies for mid-sized companies struggle to surprise us with anything brand new. They provide reliable protection against malware and, when combined with relevant policies, regular updates, and employee cyberhygiene, they can shield a business from a majority of...

Dox, steal, reveal. Where does your personal data end up?

The technological shift that we have been experiencing for the last few decades is astounding, not least because of its social implications. Every year the online and offline spheres have become more and more connected and are now completely intertwined, leading to online actions having real...

GReAT Ideas follow-up

On June 17, we hosted our first "GReAT Ideas. Powered by SAS" session, in which several experts from our Global Research and Analysis Team shared insights into APTs and threat actors, attribution, and hunting IoT threats. Here is a brief summary of the agenda from that webinar: Linking attacks to...

DarkPulsar

In March 2017, the ShadowBrokers published a chunk of stolen data that included two frameworks: DanderSpritz and FuzzBunch. DanderSpritz consists entirely of plugins to gather intelligence, use exploits and examine already controlled machines. It is written in Java and provides a graphical window...

Backdoors in D-Link’s backyard

"If you want to change the world, start with yourself." In the case of security research this can be rephrased to: "If you want to make the world safer, start with the smart things in your home." Or, to be more specific, start with your router – the core of any home network as well as an...

Operation Triangulation: The last (hardware) mystery

Today, on December 27, 2023, we Boris Larin, Leonid Bezvershenko, and Georgy Kucherin delivered a presentation, titled, "Operation Triangulation: What You Get When Attack iPhones of Researchers", at the 37th Chaos Communication Congress 37C3, held at Congress Center Hamburg. The presentation...

This is what our summer’s like

For the second summer straight, we cover the children's interests during the period when they have enough leisure to give themselves full time to their hobbies. Modern children are active users of the internet, so most of their interests find reflection in their online activities, which are the...

KoffeyMaker: notebook vs. ATM

Despite CCTV and the risk of being caught by security staff, attacks on ATMs using a direct connection — so-called black box attacks — are still popular with cybercriminals. The main reason is the low "entry requirements" for would-be cyber-robbers: specialized sites offer both the necessary tool...

Nokoyawa ransomware attacks with Windows zero-day

Updated April 20, 2023 In February 2023, Kaspersky technologies detected a number of attempts to execute similar elevation-of-privilege exploits on Microsoft Windows servers belonging to small and medium-sized businesses in the Middle East, in North America, and previously in Asia regions. These...

HQWar: the higher it flies, the harder it drops

Mobile dropper Trojans are one of today's most rapidly growing classes of malware. In Q1 2019, droppers are in the 2nd or 3rd position in terms of share of total detected threats, while holding nearly half of all Top 20 places in 2018. Since the droppers' main task is to deliver payload while...

APT trends report Q1 2019

For just under two years, the Global Research and Analysis Team GReAT at Kaspersky Lab has been publishing quarterly summaries of advanced persistent threat APT activity. The summaries are based on our threat intelligence research and provide a representative snapshot of what we have published an...

The world’s southernmost security conference

When asked about his best race, Ayrton Senna replied that it was when he raced karting cars. For him it was the best because it was only for the sake of sports and free from commercial sponsoring and commercial interests. I have this same feeling about computer security conferences, because they...

Platinum is back

In June 2018, we came across an unusual set of samples spreading throughout South and Southeast Asian countries targeting diplomatic, government and military entities. The campaign, which may have started as far back as 2012, featured a multi-stage approach and was dubbed EasternRoppels. The acto...

EAGERBEE, with updated and novel components, targets the Middle East

Introduction In our recent investigation into the EAGERBEE backdoor, we found that it was being deployed at ISPs and governmental entities in the Middle East. Our analysis uncovered new components used in these attacks, including a novel service injector designed to inject the backdoor into a...

Updated MATA attacks industrial companies in Eastern Europe

In early September 2022, we discovered several new malware samples belonging to the MATA cluster. As we were collecting and analyzing the relevant telemetry data, we realized the campaign had been launched in mid-August 2022 and targeted over a dozen corporations in Eastern Europe from the oil an...

APT trends report Q2 2023

For more than six years, the Global Research and Analysis Team GReAT at Kaspersky has been publishing quarterly summaries of advanced persistent threat APT activity. These summaries are based on our threat intelligence research; and they provide a representative snapshot of what we have published...

Roaming Mantis implements new DNS changer in its malicious mobile app in 2022

Roaming Mantis a.k.a Shaoye is well-known as a long-term cyberattack campaign that uses malicious Android package APK files to control infected Android devices and steal device information; it also uses phishing pages to steal user credentials, with a strong financial motivation. Kaspersky has be...

TOP 10 unattributed APT mysteries

Targeted attack attribution is always a tricky thing, and in general, we believe that attribution is best left to law enforcement agencies. The reason is that, while in 90% of cases it is possible to understand a few things about the attackers, such as their native language or even location, the...

APT ToddyCat

ToddyCat is a relatively new APT actor that we have not been able to relate to other known actors, responsible for multiple sets of attacks detected since December 2020 against high-profile entities in Europe and Asia. We still have little information about this actor, but we know that its main...

Russian-speaking cybercrime evolution: What changed from 2016 to 2021

Experts at Kaspersky have been investigating various computer incidents on a daily basis for over a decade. Having been in the field for so long, we have witnessed some major changes in the cybercrime worlds modus operandi. This report shares our insights into the Russian-speaking cybercrime worl...

IAmTheKing and the SlothfulMedia malware family

On October 1, 2020, the DHS CISA agency released information about a malware family called SlothfulMedia, which they attribute to a sophisticated threat actor. We have been tracking this set of activity through our private reporting service, and we would like to provide the community with...

Corporate security prediction 2020

Kaspersky Security Bulletin 2019. Advanced threat predictions for 2020 Cybersecurity of connected healthcare 2020: Overview and predictions 5G technology predictions 2020 Cyberthreats to financial institutions 2020: Overview and predictions Moving to the cloud The popularity of cloud services is...

The 2019 DBIR is out

Once again, we are happy to support a large, voluntary, collaborative effort like the 2019 Data Breach Investigations Report. While our data contribution is completely anonymous, it is based in some of the 2018 data set that our private report customers receive from our efforts to protect all of...

Convuster: macOS adware now in Rust

Introduction Traditionally, most malicious objects detected on the macOS platform are adware: besides the already familiar Shlayer family, the TOP 10 includes Bnodlero, Cimpli, Adload and Pirrit adware. As a rule, most tend to be written in C, Objective-C or Swift. Recently, however, cybercrimina...

Phishing for knowledge

When we talk about phishing, top of mind are fake banking sites, payment systems, as well as mail and other globally popular services. However, cybercriminals have their fingers in far more pies than that. Unobviously, perhaps, students and university faculties are also in the line of fire. The...

Kaspersky Security Bulletin: Threat Predictions for 2018

Download the Kaspersky Security Bulletin: Threat Predictions for 2018 Introduction As hard as it is to believe, it's once again time for our APT Predictions. Looking back at a year like 2017 brings the internal conflict of being a security researcher into full view: on the one hand, each new even...

Windows CLFS and five exploits used by ransomware operators (Exploit #3 – October 2022)

This is part four of our study about the Common Log File System CLFS and five vulnerabilities in this Windows OS component that have been used in ransomware attacks throughout the year. Please read the previous parts first if you havent already. You can skip to the other parts using this table of...

DNS Manipulation in Venezuela in regards to the Humanitarian Aid Campaign

Venezuela is a country facing an uncertain moment in its history. Reports suggests it is in significant need of humanitarian aid. On February 10th, Mr. Juan Guaidó made a public call asking for volunteers to join a new movement called "Voluntarios por Venezuela" Volunteers for Venezuela. Accordin...

Operation AppleJeus Sequel

The Lazarus group is currently one of the most active and prolific APT actors. In 2018, Kaspersky published a report on one of their campaigns, named Operation AppleJeus. Notably, this operation marked the first time Lazarus had targeted macOS users, with the group inventing a fake company in ord...

The cake is a lie! Uncovering the secret world of malware-like cheats in video games

In 2018, the video game industry became one of the most lucrative in the world, generating $43.4 billion in revenue within the United States alone. When we consider that video game licenses are only a fraction of the total market, it becomes clear just how important the industry is compared to th...

Comprehensive analysis of initial attack samples exploiting CVE-2023-23397 vulnerability

On March 14, 2023, Microsoft published a blogpost describing an Outlook Client Elevation of Privilege Vulnerability CVSS: 9.8 CRITICAL. The publication generated a lot of activity among white, grey and black hat researchers, as well as lots of publications and tweets about the vulnerability and i...

Digital Education: The cyberrisks of the online classroom

This past spring, as the COVID-19 pandemic took hold, online learning became the new norm as universities and classrooms around the world were forced to close their doors. By April 29, 2020, more than 1.2 billion children across 186 countries were impacted by school closures. Shortly after school...

Operation ShadowHammer: a high-profile supply chain attack

In late March 2019, we briefly highlighted our research on ShadowHammer attacks, a sophisticated supply chain attack involving ASUS Live Update Utility, which was featured in a Kim Zetter article on Motherboard. The topic was also one of the research announcements made at the SAS conference, whic...

Digital Doppelgangers

Carding exists for over 20 years. And it is not dead yet. It is alive, and even more – it is being actively developed by cybercriminals. The "good" old method of entering stolen credit card information into online store forms to buy goods and services or using online payment system accounts for t...

DarkPulsar FAQ

What's it all about? In March 2017, a group of hackers calling themselves "the Shadow Brokers" published a chunk of stolen data that included two frameworks: DanderSpritz and FuzzBunch. The Fuzzbunch framework contains various types of plugins designed to analyze victims, exploit vulnerabilities,...

To crypt, or to mine – that is the question

Way back in 2013 our malware analysts spotted the first malicious samples related to the Trojan-Ransom.Win32.Rakhni family. That was the starting point for this long-lived Trojan family, which is still functioning to this day. During that time the malware writers have changed: the way their Troja...