CERT-UA Warns of HTA-Delivered C# Malware Attacks Using Court Summons Lures

The Computer Emergency Response Team of Ukraine CERT-UA has warned of cyber attacks carried out by a threat actor called UAC-0099 targeting government agencies, the defense forces, and enterprises of the defense-industrial complex in the country. The attacks, which leverage phishing emails as an...

CERT-UA Warns of Cyber Scams Using Fake AnyDesk Requests for Fraudulent Security Audits

The Computer Emergency Response Team of Ukraine CERT-UA is warning of ongoing attempts by unknown threat actors to impersonate the cybersecurity agency by sending AnyDesk connection requests. The AnyDesk requests claim to be for conducting an audit to assess the "level of security," CERT-UA added...

Russian Hackers Deploy HATVIBE and CHERRYSPY Malware Across Europe and Asia

Threat actors with ties to Russia have been linked to a cyber espionage campaign aimed at organizations in Central Asia, East Asia, and Europe. Recorded Future's Insikt Group, which has assigned the activity cluster the name TAG-110, said it overlaps with a threat group tracked by the Computer...

CERT-UA Warns of New Vermin-Linked Phishing Attacks with PoW Bait

The Computer Emergency Response Team of Ukraine CERT-UA has warned of new phishing attacks that aim to infect devices with malware. The activity has been attributed to a threat cluster it tracks as UAC-0020, which is also known as Vermin. The exact scale and scope of the attacks are presently...

Ukraine Warns of New Phishing Campaign Targeting Government Computers

The Computer Emergency Response Team of Ukraine CERT-UA has warned of a new phishing campaign that masquerades as the Security Service of Ukraine to distribute malware capable of remote desktop access. The agency is tracking the activity under the name UAC-0198. More than 100 computers are...

Ukrainian Institutions Targeted Using HATVIBE and CHERRYSPY Malware

The Computer Emergency Response Team of Ukraine CERT-UA has alerted of a spear-phishing campaign that targeted a scientific research institution in the country with malware known as HATVIBE and CHERRYSPY. The agency attributed the attack to a threat actor it tracks under the name UAC-0063, which...

SPECTR Malware Targets Ukraine Defense Forces in SickSync Campaign

The Computer Emergency Response Team of Ukraine CERT-UA has warned of cyber attacks targeting defense forces in the country with a malware called SPECTR as part of an espionage campaign dubbed SickSync. The agency attributed the attacks to a threat actor it tracks under the moniker UAC-0020, whic...

Ukraine Targeted in Cyberattack Exploiting 7-Year-Old Microsoft Office Flaw

Cybersecurity researchers have discovered a targeted operation against Ukraine that has been found leveraging a nearly seven-year-old flaw in Microsoft Office to deliver Cobalt Strike on compromised systems. The attack chain, which took place at the end of 2023 according to Deep Instinct, employs...

New IDAT Loader Attacks Using Steganography to Deploy Remcos RAT

Ukrainian entities based in Finland have been targeted as part of a malicious campaign distributing a commercial remote access trojan known as Remcos RAT using a malware loader called IDAT Loader. The attack has been attributed to a threat actor tracked by the Computer Emergency Response Team of...

DirtyMoe Malware Infects 2,000+ Ukrainian Computers for DDoS and Cryptojacking

The Computer Emergency Response Team of Ukraine CERT-UA has warned that more than 2,000 computers in the country have been infected by a strain of malware called DirtyMoe. The agency attributed the campaign to a threat actor it calls UAC-0027. DirtyMoe, active since at least 2016, is capable of...

CERT-UA Uncovers New Malware Wave Distributing OCEANMAP, MASEPIE, STEELHOOK

The Computer Emergency Response Team of Ukraine CERT-UA has warned of a new phishing campaign orchestrated by the Russia-linked APT28 group to deploy previously undocumented malware such as OCEANMAP, MASEPIE, and STEELHOOK to harvest sensitive information. The activity, which was detected by the...

CERT-UA Reports: 11 Ukrainian Telecom Providers Hit by Cyberattacks

The Computer Emergency Response Team of Ukraine CERT-UA has revealed that threat actors "interfered" with at least 11 telecommunication service providers in the country between May and September 2023. The agency is tracking the activity under the name UAC-0165, stating the intrusions led to servi...

Ukrainian Military Targeted in Phishing Campaign Leveraging Drone Manuals

Ukrainian military entities are the target of a phishing campaign that leverages drone manuals as lures to deliver a Go-based open-source post-exploitation toolkit called Merlin. "Since drones or Unmanned Aerial Vehicles UAVs have been an integral tool used by the Ukrainian military, malware-lace...

Cybercriminals Using PowerShell to Steal NTLMv2 Hashes from Compromised Windows

A new cyber attack campaign is leveraging the PowerShell script associated with a legitimate red teaming tool to plunder NTLMv2 hashes from compromised Windows systems primarily located in Australia, Poland, and Belgium. The activity has been codenamed Steal-It by Zscaler ThreatLabz. "In this...

Ukraine's CERT Thwarts APT28's Cyberattack on Critical Energy Infrastructure

The Computer Emergency Response Team of Ukraine CERT-UA on Tuesday said it thwarted a cyber attack against an unnamed critical energy infrastructure facility in the country. The intrusion, per the agency, started with a phishing email containing a link to a malicious ZIP archive that activates th...

CERT-UA Warns of SmokeLoader and RoarBAT Malware Attacks Against Ukraine

An ongoing phishing campaign with invoice-themed lures is being used to distribute the SmokeLoader malware in the form of a polyglot file, according to the Computer Emergency Response Team of Ukraine CERT-UA. The emails, per the agency, are sent using compromised accounts and come with a ZIP...

APT28 Targets Ukrainian Government Entities with Fake "Windows Update" Emails

The Computer Emergency Response Team of Ukraine CERT-UA has warned of cyber attacks perpetrated by Russian nation-state hackers targeting various government bodies in the country. The agency attributed the phishing campaign to APT28, which is also known by the names Fancy Bear, Forest Blizzard,...

Russian Hackers Using Graphiron Malware to Steal Data from Ukraine

A Russia-linked threat actor has been observed deploying a new information-stealing malware in cyber attacks targeting Ukraine. Dubbed Graphiron by Broadcom-owned Symantec, the malware is the handiwork of an espionage group known as Nodaria, which is tracked by the Computer Emergency Response Tea...

CERT-UA Alerts Ukrainian State Authorities of Remcos Software-Fueled Cyber Attacks

The Computer Emergency Response Team of Ukraine CERT-UA has issued an alert warning of cyber attacks against state authorities in the country that deploy a legitimate remote access software named Remcos. The mass phishing campaign has been attributed to a threat actor it tracks as UAC-0050, with...

Cyber Attack on Ukrainian National Information Agency

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary On 17th January 2023, the Ukrainian National Information Agency "Ukrinform" suffered a partial cyber attack. The Government Computer Emergency Response Team of Ukraine CERT-UA initiated an investigation...