Chinese Hacking Group ‘Flax Typhoon’ Targeting Taiwan Organizations

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Flax Typhoon, a Chinese nation-state actor, employs sophisticated tactics to target organizations in Taiwan for espionage, utilizing living-off-the-land techniques and legitimate tools to maintain long-te...

Decoding the DNA of Ransomware Attacks: Unveiling the Anatomy Behind the Threat

Decoding the DNA of Ransomware Attacks: Unveiling the Anatomy Behind the Threat By Trellix Advanced Research Center · August 28, 2023 Introduction Ransomware, a malicious software that encrypts valuable data and demands a ransom for its release, has a notorious history marked by its evolution fro...

Monti Ransomware’s New Linux Variant Enhanced Encryption

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Monti ransomware, resembling Conti, resurfaces after a break, targeting legal and government sectors. A new Linux variant diverges significantly, using distinct tactics for encryption and virtual machine...

Monti Ransomware Returns with New Linux Variant and Enhanced Evasion Tactics

The threat actors behind the Monti ransomware have resurfaced after a two-month break with a new Linux version of the encryptor in its attacks targeting government and legal sectors. Monti emerged in June 2022, weeks after the Conti ransomware group shut down its operations, deliberately imitatin...

Behind the Scenes of a Tailor-Made Massive Phishing Campaign

A global phishing campaign caught our attention after one of our colleagues was targeted by, and nearly fell victim, to a social engineering attack. The campaign involved more than 800 different scam domains and impersonated around 340 legitimate companies all over the world – including well-know...

CISA Releases Analysis of FY22 Risk and Vulnerability Assessments

CISA has released an analysis and infographic detailing the findings from the 121 Risk and Vulnerability Assessments RVAs conducted across multiple critical infrastructure sectors in fiscal year 2022 FY22. The analysis details a sample attack path including tactics and steps a cyber threat actor...

Casbaneiro Banking Malware Goes Under the Radar with UAC Bypass Technique

The financially motivated threat actors behind the Casbaneiro banking malware family have been observed making use of a User Account Control UAC bypass technique to gain full administrative privileges on a machine, a sign that the threat actor is evolving their tactics to avoid detection and...

Ransomware making big money through "big game hunting"

Ransomware generates big money for the groups behind it, with new research confirming some of the scale of the problem. Chainalysis, a blockchain research firm, looked at data from monitored cryptocurrency wallets, concluding that around $449 million has been taken from victims in the last six...

How to Apply MITRE ATT&CK to Your Organization

Discover all the ways MITRE ATT&CK can help you defend your organization. Build your security strategy and policies by making the most of this important framework. What is the MITRE ATT&CK Framework? MITRE ATT&CK Adversarial Tactics, Techniques, and Common Knowledge is a widely adopted framework...

Unveiling New Big Head Ransomware Variants and Their Stealthy Tactics

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The emergence of Big Head ransomware and its variants suggests a shared source, distributed through deceptive Windows update and Word installer disguises. The threat actor engages via email and Telegram,...

MAL-2023-1550 Malicious code in btc-api-node (npm)

--- -= Per source details. Do not edit below this line.=- Source: checkmarx f59f6e40fe31bd4d5d4aa5da8bc0d032e2bbff9166104dc707c2987f953a5d93 Lazarus Group targeting blockchain and cryptocurrency companies by exploiting software supply chains through malicious npm packages and social engineering...

Charming Kitten’s Latest Malware Arsenal and Targeting Strategies

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Charming Kitten, an adaptable threat actor, has shifted to new malware tactics and targets by employing LNK infection chains and utilizing cloud hosting providers. This evolution in their approach poses ...

Tailing Big Head Ransomware’s Variants, Tactics, and Impact

We analyze the technical details of a new ransomware family named Big Head. In this entry, we discuss the Big Head ransomware’s similarities and distinct markers that add more technical details to initial reports on the ransomware...

MAL-2023-314 Malicious code in eth-api-node (npm)

--- -= Per source details. Do not edit below this line.=- Source: checkmarx ae0229b0b9b6f52ad99cbadf592c4cd4a35c6b90764717a8d37ce843df055398 Lazarus Group targeting blockchain and cryptocurrency companies by exploiting software supply chains through malicious npm packages and social engineering...

Malicious code in sync-http-api (npm)

--- -= Per source details. Do not edit below this line.=- Source: checkmarx 666c54b1098d52ea02eebf562d8cf02c1a736ee608eb15029543afd5181e4094 Lazarus Group targeting blockchain and cryptocurrency companies by exploiting software supply chains through malicious npm packages and social engineering...

MAL-2023-107 Malicious code in assets-graph (npm)

--- -= Per source details. Do not edit below this line.=- Source: checkmarx e513e7556846ca62fa4d27646eef928d55f2c2954ce9caa51dd63643e2adf445 Lazarus Group targeting blockchain and cryptocurrency companies by exploiting software supply chains through malicious npm packages and social engineering...

Experts Uncover Year-Long Cyber Attack on IT Firm Utilizing Custom Malware RDStealer

A highly targeted cyber attack against an East Asian IT company involved the deployment of a custom malware written in Golang called RDStealer. "The operation was active for more than a year with the end goal of compromising credentials and data exfiltration," Bitdefender security researcher Vict...

Activities in the Cybercrime Underground Require a New Approach to Cybersecurity

As Threat Actors Continuously Adapt their TTPs in Today's Threat Landscape, So Must You Earlier this year, threat researchers at Cybersixgill released the annual report, The State of the Cybercrime Underground . The research stems from an analysis of Cybersixgill's collected intelligence items...

Asylum Ambuscade Unmasking the Hybrid Threat Group in Cybersecurity

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Asylum Ambuscade: A cybercrime group active since 2020, targeting banks, cryptocurrency traders, and governments in North America, Europe, Asia, Africa, and South America. Their tactics include spear...

CISA and FBI Release #StopRansomware: CL0P Ransomware Gang Exploits MOVEit Vulnerability

CISA and FBI released a joint Cybersecurity Advisory CSA CL0P Ransomware Gang Exploits MOVEit Vulnerability in response to a recent vulnerability exploitation attributed to CL0P Ransomware Gang. This joint guide provides indicators of compromise IOCs and tactics, techniques, and procedures TTPs...