Just because it’s a familiar tactic doesn’t mean you can let your guard down. A similar attack method using cryptocurrency rewards as bait has recently been identified again. This time, a case was confirmed in which the Node.Js-based malware JSCEAL was distributed through Facebook ads impersonating a cryptocurrency exchange. The threat actors lured users to […]

Overview AhnLab monitored APT (Advanced Persistent Threat) attacks targeting entities in Korea using its own infrastructure. This report summarizes the types and statistics on domestic APT attacks identified during the month of August 2026. Trends of APT Attacks in South Korea Most of the APT attacks detected in South Korea were distributed via spear phishing […]

The AhnLab SEcurity intelligence Center (ASEC) has identified two vulnerability attack cases that exploited a remote code execution vulnerability (CVE-2019-18935) targeting unpatched Telerik UI for ASP.NET AJAX servers. In the first incident, after exploiting the vulnerability, the attacker executed a reverse shell, attempted to perform privilege escalation, and installed a web shell; in the second […]

Recently, the AhnLab SEcurity intelligence Center (ASEC) identified a case of phishing emails that disguise themselves as project material purchase request forms. These emails impersonate employees of a specific company in Korea and trick recipients into opening a malicious XLS file attached to the email, which is disguised as a project material purchase request form. […]

Recently, the AhnLab SEcurity intelligence Center (ASEC) confirmed that phishing emails disguised as requests for project quotes are being circulated. The email body is disguised as a request to submit a quote for discussing the project budget and prompts recipients to download an attached compressed file for verification.   [Figure 1] Phishing email body   […]

The threat actor used SEO poisoning (a technique that exploits search results to redirect users to fake sites) to distribute a malicious installer disguised as a KakaoTalk installer. The appearance and packaging method of the installer changed continuously, and the threat actor sequentially used NSIS, Advanced Installer, and Inno Setup. It contained both legitimate installation […]

Purpose and Scope This report summarizes statistics on new ransomware samples, affected systems, and statistics on targeted businesses collected during the month of August 2026, as well as major Korean & Global ransomware issues. Statistics on targeted businesses were compiled based on the time when publicly available information from ransomware groups’ DLS (Dedicated Leak Sites, […]