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CERT-UA reports UAC-0247 targeting Ukrainian clinics and government bodies with malware stealing data from Chromium browsers and WhatsApp. CERT-UA has revealed a cyber campaign by the threat actor UAC-0247 targeting Ukrainian government entities and municipal healthcare facilities, including clinics and emergency hospitals. The operation between March and April 2026, used malware designed to steal sensitive […]
Threat actors impersonated CERT-UA to send phishing emails with AGEWHEEZE malware, tricking victims into installing a fake “security tool.” A threat actor, tracked as UAC-0255, impersonated CERT-UA in a phishing campaign, sending emails to about 1 million users. The messages urged victims to download a password-protected archive from Files.fm and install a fake “specialized software,” […]
Russian state-sponsored hackers Fancy Bear (aka APT 28) are exploiting CVE-2026-21509, a Microsoft Office vulnerability for which Microsoft released an emergency fix last week. The exploitation CVE-2026-21509 allows unauthorized attackers to bypass a s…
CERT-UA reported PLUGGYAPE malware attacks on Ukraine’s defense forces, linked with medium confidence to Russia’s Void Blizzard group. The Computer Emergency Response Team of Ukraine (CERT-UA) reported new cyberattacks against Ukraine’s defense forces using PLUGGYAPE malware. Government experts attributed the attack with medium confidence to the Russian-linked group Void Blizzard (aka Laundry Bear, UAC-0190), active […]
CERT-UA reported three cyberattacks targeting Ukraine’s state agencies and critical infrastructure to steal sensitive data. The Computer Emergency Response Team of Ukraine (CERT-UA) reported three cyberattacks in March 2025 targeting Ukrainian agencies and infrastructure to steal sensitive data. This activity is tracked under the identifier UAC-0219. “The Ukrainian government’s computer emergency response team, CERT-UA, is […]
CERT-UA warns of a cyber campaign using Dark Crystal RAT to target Ukraine’s defense sector, including defense industry employees and Defense Forces members. The Computer Emergency Response Team of Ukraine (CERT-UA) uncovered a new cyber espionage campaign targeting employees of defense-industrial complex enterprises and representatives of the Defense Forces of Ukraine with Dark Crystal RAT. […]
CERT-UA warns of UAC-0173 using DCRat malware to target Ukrainian notaries in a new attack wave since mid-January 2025. The Computer Emergency Response Team of Ukraine (CERT-UA) warned of a new campaign by criminal group UAC-0173 targeting Ukrainian notaries with a remote access trojan DCRat (aka DarkCrystal RAT). The campaign started in mid-January 2025, the attack […]
Ukraine’s Computer Emergency Response Team (CERT-UA) states that Russia-linked APT Gamaredon starts stealing data 30 minutes after the initial compromise. Ukraine’s Computer Emergency Response Team (CERT-UA) is warning that the Russia-linked APT group Gamaredon (aka Shuckworm, Actinium, Armageddon, Primitive Bear, UAC-0010, and Trident Ursa) use to steal data from victims’ networks in less than an hour after the initial compromise. Gamaredon has […]
The post Russia-linked APT Gamaredon starts stealing data from victims between 30 and 50 minutes after the initial compromise appeared first on Security Affairs.
Ukraine’s CERT-UA warns of an ongoing phishing campaign aimed at distributing the SmokeLoader malware in the form of a polyglot file. CERT-UA warns of an ongoing phishing campaign that is distributing the SmokeLoader malware in the form of a polyglot file. Threat actors are using emails sent from compromised accounts with the subject “bill/payment” with […]
The post CERT-UA warns of an ongoing SmokeLoader campaign appeared first on Security Affairs.
CERT-UA warns of a spear-phishing campaign conducted by APT28 group targeting Ukrainian government bodies with fake ‘Windows Update’ guides. Russia-linked APT28 group is targeting Ukrainian government bodies with fake ‘Windows Update’ guides, Computer Emergency Response Team of Ukraine (CERT-UA) warns. The APT28 group (aka Fancy Bear, Pawn Storm, Sofacy Group, Sednit, and STRONTIUM) has been active since at least 2007 and it has targeted governments, […]
The post Russia-linked APT28 uses fake Windows Update instructions to target Ukraine govt bodies appeared first on Security Affairs.