Quantum ransomware, a strain that has garnered significant attention since its discovery in July 2021, has proven to be an especially malicious and rapidly evolving form of ransomware. As cybersecurity professionals strive to stay one step ahead of cybercriminals, understanding the intricacies and potential impact of Quantum ransomware becomes imperative. It is a sub-variant of […]
Cybersecurity researchers warn defenders of yet another phishing campaign dubbed MULTI#STORM, in which hackers abuse JavaScript files to drop RAT malware onto the targeted systems. The MULTI#STORM attack chain contains multiple stages with the final one spreading Quasar RAT and Warzone RAT samples. According to the investigation, in this campaign threat actors have set eyes […]
On June 16, 2023, CERT-UA researchers issued a new alert covering the recently discovered malicious activity targeting the National Defense University of Ukraine, named after Ivan Cherniakhovskyi, the country’s leading military educational institution. In this ongoing campaign, threat actors spread PicassoLoader and Cobalt Strike Beacon on the compromised systems via a malicious file containing a […]
Since russia’s full-scale invasion of Ukraine, the aggressor’s offensive forces have launched an avalanche of cyber-espionage campaigns against Ukraine and its allies, mainly targeting government agencies and frequently leveraging the phishing attack vector. The infamous hacking collective dubbed Shuckworm (Armageddon, Gamaredon), which is known to have links with russia’s FSB, has been observed behind a […]
Since the outbreak of russia’s full-scale invasion of Ukraine, the aggressor has been targeting multiple cyber attacks against Ukraine and its allies, with a growing number of state-sponsored hacking collectives emerging and resurfacing in the cyber threat arena. During the conflict, russia’s offensive forces have launched over 2,100 attacks with disparate levels of sophistication and […]
On February 24, 2022, a little more than a year ago, the russian federation started an offensive invasion of Ukraine by land, air, and sea. The war escalated in cyberspace as well. As a result, we are now witnessing the first-ever full-fledged cyber war in human history, with multiple offensive counterparts engaged in attacks against […]
Hot on the heels of the massive phishing attacks launched by UAC-0006 at the beginning of May 2023, CERT-UA warns cyber defenders of a new wave of cyber attacks resulting in SmokeLoader infections. The latest investigation indicates that adversaries increasingly spread phishing emails with financial subject lures and use ZIP/RAR attachments to drop malicious samples […]
A new DDoS botnet dubbed AndoryuBot poses a threat to Ruckus Wireless Admin panels by exploiting a newly patched critical severity flaw tracked as CVE-2023-25717 with the CVSS base score reaching 9.8. The vulnerability exploitation can potentially lead to remote code execution (RCE) and a full compromise of wireless Access Point (AP) equipment. Detecting CVE-2023-25717 […]
On May 9, 2023, the U.S. Department of Justice revealed the details of a joint operation dubbed MEDUSA that resulted in the disruption of the Snake cyber-espionage implant infrastructure actively leveraged to target 50+ countries in North America, Europe, and Africa. First emerging in 2003, the malicious tool has been used by the Turla group, […]
The financially-motivated hacking collective tracked as UAC-0006 comes back to the cyber threat arena exploiting the phishing attack vector and distributing the SmokeLoader malware. According to the latest CERT-UA cybersecurity alert, threat actors massively distribute phishing emails exploiting the compromised accounts with the financially related email subject and using a malicious ZIP attachment to deploy […]