Remcos RAT Being Distributed to Korean Users

Remcos RAT Being Distributed to Korean Users

AhnLab SEcurity intelligence Center (ASEC) has confirmed the RAT distribution of the Remcos RAT targeting users in South Korea. While the original distribution pages remain unknown, the malware appears to masquerade as VeraCrypt installers or software associated with illegal gambling websites.   1. Malware Distribution One of the initial malware

GeoServer, Where Various CoinMiner Attacks Occur

GeoServer, Where Various CoinMiner Attacks Occur

AhnLab SEcurity intelligence Center (ASEC) previously covered the case of threat actors exploiting the GeoServer vulnerability to install CoinMiner and NetCat through the “CoinMiner Attacks Exploiting GeoServer Vulnerability” blog. [1] The threat actors have been continuously targeting vulnerable GeoServers to install CoinMiner. This post will cover the identified cases of

Analysis of Trigona Threat Actor’s Latest Attack Cases

Analysis of Trigona Threat Actor’s Latest Attack Cases

AhnLab SEcurity intelligence Center (ASEC) has covered the case of Trigona threat actors attacking MS-SQL servers in the past post, “Trigona Ransomware Threat Actor Uses Mimic Ransomware.”[1] In the attack cases, both Trigona and Mimic ransomware were used. However, while the email address used by the threat actor in the

August 2025 Security Issues in Korean & Global Financial Sector

August 2025 Security Issues in Korean & Global Financial Sector

This report comprehensively covers actual cyber threats and security issues related to financial companies in South Korea and abroad. This article includes an analysis of malware and phishing cases distributed to the financial sector, the top 10 malware strains targeting the financial sector, and the industry statistics of leaked Korean

July 2025 Security Issues in Korean & Global Financial Sector

July 2025 Security Issues in Korean & Global Financial Sector

This report comprehensively covers actual cyber threats and security issues that have taken place targeting financial companies in Korea and abroad. This report includes an analysis of malware and phishing cases distributed to the financial industry, the top 10 malware strains targeting the financial sector, and statistics on the industries

Proxyware Malware Being Distributed on YouTube Video Download Site

Proxyware Malware Being Distributed on YouTube Video Download Site

AhnLab SEcurity intelligence Center (ASEC) introduced a case of threat actors distributing proxyware through the advertising page of a freeware software site in the past blog post “DigitalPulse Proxyware Being Distributed Through Ad Pages” [1]. The same threat actor has been continuously distributing proxyware, and multiple infection cases have been

June 2025 Security Issues in Korean & Global Financial Sector

June 2025 Security Issues in Korean & Global Financial Sector

This report comprehensively covers actual cyber threats and security issues related to financial companies in South Korea and abroad. This article includes an analysis of malware and phishing cases distributed to the financial sector, the top 10 malware strains targeting the financial sector, and the industry statistics of leaked Korean

May 2025 Security Issues in Korean & Global Financial Sector

May 2025 Security Issues in Korean & Global Financial Sector

This report comprehensively covers actual cyber threats and security issues that have taken place targeting financial companies in Korea and abroad. This report includes an analysis of malware and phishing cases distributed to the financial industry, the top 10 malware strains targeting the financial sector, and statistics on the industries

Analysis of T-Rex CoinMiner Attacks Targeting Internet Cafés in Korea

Analysis of T-Rex CoinMiner Attacks Targeting Internet Cafés in Korea

AhnLab SEcurity intelligence Center (ASEC) has recently identified cases of attacks installing CoinMiners in Korean Internet cafés. The threat actor is believed to have been active since 2022, and the attacks against Internet cafés have been occurring since the second half of 2024. The method of initial access is unknown,

PyBitmessage Backdoor Malware Installed with CoinMiner

PyBitmessage Backdoor Malware Installed with CoinMiner

The AhnLab SEcurity intelligence Center (ASEC) has recently detected a new type of backdoor malware being distributed alongside the Monero coin miner. This blog post covers malware that utilizes the PyBitmessage library to perform communications on a P2P (Peer to Peer) network and encrypt the communication content between endpoints, instead