FrostyGoop’s Zoom-In: A Closer Look into the Malware Artifacts, Behaviors and Network Communications


In July 2024, the operational technology (OT)-centric malware FrostyGoop/BUSTLEBERM became publicly known, after attackers used it to disrupt critical infrastructure. The outage occurred after the Cyber Security Situation Center (CSSC), affiliated with the Security Service of Ukraine, disclosed details of an attack on a municipal energy company in Ukraine in early 2024.

FrostyGoop is the ninth reported OT-centric malware, but the first that used Modbus TCP communications to impact the power supply to heating services for over 600 apartment buildings. FrostyGoop can be used both within a compromised perimeter and externally if the target device is accessible over the internet. FrostyGoop sends Modbus commands to read or modify data on industrial control systems (ICS) devices, causing damage to the environment where attackers installed it.

Read more…
Source: Trend Micro


Sign up for our Newsletter


Related:

  • Attackers used social engineering to access third-party business apps and steal patient information

    June 16, 2026

    Heart monitoring biz iRhythm says thieves made off with patient health information and tried to turn it into a payday. The California-based cardiac monitoring specialist offers customers a wearable device that collects data, then analyzes it to create reports about heart health. The company said it detected unauthorized activity on June 8 and launched an investigation ...

  • Dozens of malicious wallpapers found on Steam Workshop

    June 16, 2026

    Since late 2025, malware has been spreading rapidly through the Steam Workshop, the gaming platform’s built-in service for players to create and share custom content. The attackers are primarily targeting gamers in China and Russia, aiming to hijack their accounts. To pull this off, they are exploiting Wallpaper Engine – a popular live wallpaper app ...

  • Council of Europe hacked in ShinyHunters’ PeopleSoft heist

    June 15, 2026

    ShinyHunters claims to have breached the Council of Europe and stolen more than 297 GB of data after exploiting a zero-day flaw in Oracle PeopleSoft and abusing that hole to hack more than 100 organizations. According to a post on the extortion crew’s data-leak site, the 429,000 pilfered files contain HR and payroll records, payslips, purchase-order ...

  • Public and Private Medical Community Targeted by China-Nexus Threat Actor

    June 15, 2026

    Google Threat Intelligence Group (GTIG) has identified a sophisticated campaign attributed to UNC6508, a People’s Republic of China (PRC)-nexus threat actor, targeting institutions in the North American academic, medical, and military research community. While remaining undetected for over a year, the threat actor compromised externally facing web applications, deployed bespoke malware, pivoted to sensitive internal ...

  • Japanese electricity giant apologises after physical drive with data of 10.9 million clients goes missing

    June 12, 2026

    A Japanese energy giant has apologised after losing a physical storage drive containing the data on millions of its clients. Workers for Kyushu Electric Power Co. apparently mislaid the drive, which had been left in an unlocked cabinet, the company explained in an official announcement. The drive allegedly contained information on up to 10.9 million accounts, including customer ...

  • Novo Nordisk reports cyberattack as UK gives Wegovy pill the nod

    June 12, 2026

    Pharmaceutical giant Novo Nordisk says data related to clinical trial participants was stolen as part of a cyberattack. The affected patient data was pseudonymized and not directly linked to names or other direct identifiers, the company said. The maker of the Wegovy weight-loss drug said the affected data types include patient ID, information on trial participation, gender, ...