The UAC-0099 hacking collective, which has been launching targeted cyber-espionage attacks against Ukraine since the second half of 2022, resurfaces in the cyber threat arena. The CERT-UA team has observed a spike in the group’s malicious activity throughout November-December 2024 against Ukrainian government entities using the phishing attack vector and spreading LONEPAGE malware. Detect UAC-0099 […]
New day, a new menace for cyber defenders. Recently, security researchers from ThreatLabz have uncovered two novel malicious strains adding to the 100 million count of those already identified in 2024. As per reports, the newly revealed RevC2 and Venom Loader have been making the rounds since the summer of 2024, leveraging Venom Spider’s Malware-as-a-Service […]
The nefarious SmokeLoader malware resurfaces in the cyber threat arena targeting Taiwanese companies in multiple industry sectors, including manufacturing, healthcare, and IT. Typically used as a downloader for deploying other malicious samples, in the latest attack campaign, SmokeLoader executes the attack directly by retrieving plugins from its C2 server. Detect SmokeLoader Malware Almost 100 million […]
For nearly three years since the full-scale war in Ukraine began, cyber defenders have reported a growing number of russia-aligned offensive operations targeting Ukrainian organizations to collect intelligence, with attacks increasingly expanding their geographical scope. The russia-backed hacking collective tracked as TAG-110 or UAC-0063 has been observed behind an ongoing cyber-espionage campaign against organizations in […]
A new Rust-based stealer malware dubbed Fickle Stealer has come to the scene, capable of extracting sensitive data from compromised users. The new stealer masquerades itself as GitHub Desktop software for Windows and employs a wide range of anti-malware and detection evasion techniques, posing a growing threat to its potential victims. Detect Fickle Stealer Malware […]
Hot on the heels of the recent wave of cyber-attacks leveraging a highly evasive Strela Stealer in Central and Southwestern Europe, a new infostealer comes into the spotlight targeting sensitive data within the government and education sectors across Europe and Asia. Defenders have observed an ongoing info-stealing campaign attributed to Vietnamese-speaking adversaries who leverage a […]
Cybersecurity researchers have identified an ongoing in-the-wild adversary campaign, which leverages a known RCE vulnerability in Microsoft Office tracked as CVE-2017-0199 exploited by a malicious Excel file used as a lure attachment in phishing emails. The phishing campaign is designed to distribute a new fileless version of the notorious Remcos RAT malware and take full […]
Adversaries employ new Interlock ransomware in recently observed big-game hunting and double-extortion attacks against U.S. and European organizations in multiple industry sectors. Defenders assume with low confidence that Interlock ransomware might be a newly diversified group linked to the Rhysida ransomware affiliates or developers, based on comparable TTPs and encryptor binaries. Detect Interlock Ransomware Ransomware […]
Security researchers have revealed a stealthy campaign targeting users in Central and Southwestern Europe with an email credential stealer. Dubbed Strela, this evasive malware is deployed via phishing emails, utilizing obfuscated JavaScript and WebDAV to circumvent conventional security measures. Since its emergence two years ago, Strela Stealer has significantly enhanced its malicious capabilities, allowing it […]
The notorious Russian state-sponsored hacking group known as APT28 or UAC-0001, which has a history of launching targeted phishing attacks on Ukrainian public sector organizations, has resurfaced in the cyber threat landscape. In the latest adversary campaign covered by CERT-UA, attackers weaponize a PowerShell command embedded in the clipboard as an entry point to further conduct offensive […]