Since the outbreak of the full-scale war in Ukraine, cyber defenders have identified the growing volumes of cyber-espionage campaigns aimed at collecting intelligence from the Ukrainian state bodies. Further, the same tactics, techniques, and procedures are applied to target broader geography, including North America, Europe, and Asia. Precisely, in May 2023, the UAC-0063 group launched […]
Defenders have been observing a DarkGate malware campaign in which adversaries have taken advantage of Microsoft Excel files to spread malicious samples from publicly accessible SMB file shares. DarkGate represents a highly adaptable malicious strain, potentially stepping into the gap left by the dismantling of the notorious QakBot in late summer 2023. Detect DarkGate Malware […]
New ransomware maintainers have rapidly emerged in the cyber threat arena, employing innovative locker malware and a variety of detection evasion tactics. The ransomware gang dubbed “Volcano Demon” leverages novel LukaLocker malware and demands ransom payment via phone calls to IT executives and decision-makers. Detect Volcano Demon Ransomware Attacks Ransomware remains one of the top […]
Cybersecurity researchers discovered a new code execution technique that employs specially crafted MSC files and a Windows XSS flaw. The newly uncovered infection technique, dubbed GrimResource, allows attackers to perform code execution in the Microsoft Management Console (MMC). Defenders discovered a sample using GrimResource that was recently uploaded to VirusTotal in early June 2024, indicating […]
The China-linked cyber-espionage group Velvet Ant has been infiltrating F5 BIG-IP devices for about three years, using them as internal C2 servers, deploying malware, and gaining persistence to smartly evade detection and steal sensitive data. Detect Velvet Ant Attacks In Q1 2024, APT groups from various regions, including China, North Korea, Iran, and Russia, demonstrated […]
The TellYouThePass ransomware operators have been spotted behind a novel adversary campaign leveraging the PHP-CGI vulnerability tracked as CVE-2024-4577. Adversaries weaponize the flaw to upload web shells and distribute TellYouThePass ransomware on compromised instances. Detect TellYouThePass Ransomware Campaign In light of the newly uncovered PHP-CGI bug being swiftly weaponized for in-the-wild attacks, facilitating the distribution […]
The Vermin hacking group, also known as UAC-0020, resurfaces, targeting the Armed Forces of Ukraine. In the latest “SickSync” campaign uncovered by CERT-UA in collaboration with the Cybersecurity Center of the Armed Forces of Ukraine, adversaries once again employ SPECTR malware, which has been part of their adversary toolkit since 2019. SickSync Campaign Targeting the […]
Since the onset of the Russia-Ukraine war in 2022, there has been a significant rise in offensive operations, highlighting the profound impact of geopolitical tensions on global enterprises. Multiple hacking groups continue to use Ukraine as a testing ground to extend their attack surface into European and U.S. political arenas. CERT-UA has been lately reported […]
In mid-April 2024, CERT-UA warned defenders of repeated adversary attempts to compromise Ukrainian organizations using COOKBOX malware. Defenders observed the ongoing phishing campaign targeting Ukraine and took measures to disrupt the offensive attempts. The identified russia-linked malicious activity is tracked under the moniker FlyingYeti and overlaps with the UAC-0149 operation covered in the CERT-UA#9522 alert. […]
Heads up! The nefarious cyber-espionage group Kimsuky APT, aka Springtail, enriches its offensive toolkit with a novel malware variant dubbed Linux.Gomir. The novel backdoor, which is considered to be a Linux iteration of the GoBear malware, is leveraged by adversaries in the ongoing cyber attacks against South Korean organizations. Detect Gomir Backdoor Delivered by Kimsuky […]