ASEC Weekly Phishing Email Threat Trends (January 1st, 2023 – January 7th, 2023)

ASEC Weekly Phishing Email Threat Trends (January 1st, 2023 – January 7th, 2023)

The ASEC analysis team monitors phishing email threats with the ASEC automatic sample analysis system (RAPIT) and honeypot. This post will cover the cases of distribution of phishing emails during the week from January 1st, 2023 to January 7th, 2022 and provide statistical information on each type. Generally, phishing is

Malware Disguised as a Manuscript Solicitation Letter (Targeting Security-Related Workers)

Malware Disguised as a Manuscript Solicitation Letter (Targeting Security-Related Workers)

On January 8th, the ASEC analysis team identified the distribution of a document-type malware targeting workers in the security field. The obtained malware uses an external object within a Word document to execute an additional malicious macro. Such a technique is called the template Injection method. and a similar attack

Phishing Web Server Identified Through an Impostor National Tax Service Email

Phishing Web Server Identified Through an Impostor National Tax Service Email

The ASEC analysis team recently discovered that a phishing email impersonating the National Tax Service was being distributed. This phishing email emphasizes the urgency of the company email password expiring on the same day, and it is being sent with a message urging recipients to extend their password duration before the

ASEC Weekly Malware Statistics (December 26th, 2022 – January 1st, 2023)

ASEC Weekly Malware Statistics (December 26th, 2022 – January 1st, 2023)

The ASEC analysis team uses the ASEC automatic analysis system RAPIT to categorize and respond to known malware. This post will list weekly statistics collected from December 26th, 2022 (Monday) to January 1st, 2023 (Sunday). For the main category, downloader ranked top with 48.8%, followed by backdoor with 24.2%, Infostealer

ASEC Weekly Phishing Email Threat Trends (December 25th, 2022 – December 31st, 2022)

ASEC Weekly Phishing Email Threat Trends (December 25th, 2022 – December 31st, 2022)

The ASEC analysis team monitors phishing email threats with the ASEC automatic sample analysis system (RAPIT) and honeypot. This post will cover the cases of distribution of phishing emails during the week from December 25th, 2022 to December 31st, 2022 and provide statistical information on each type. Generally, phishing is

Orcus RAT Being Distributed Disguised as a Hangul Word Processor Crack

Orcus RAT Being Distributed Disguised as a Hangul Word Processor Crack

The ASEC analysis team recently identified Orcus RAT being distributed on file-sharing sites disguised as a cracked version of Hangul Word Processor. The threat actor that distributed this malware is the same person that distributed BitRAT and XMRig CoinMiner disguised as a Windows license verification tool on file-sharing sites.[1] The malware

Web Page Disguised as a Kakao Login Page

Web Page Disguised as a Kakao Login Page

The ASEC analysis team recently identified a fake Kakao login page attempting to gain access to the account credentials of specific individuals. The specific route through which users first arrive on these pages is unknown, but it is assumed that users were led to log in via web on a

ASEC Weekly Malware Statistics (December 19th, 2022 – December 25th, 2022)

ASEC Weekly Malware Statistics (December 19th, 2022 – December 25th, 2022)

The ASEC analysis team uses the ASEC automatic analysis system RAPIT to categorize and respond to known malware. This post will list weekly statistics collected from December 19th, 2022 (Monday) to December 25th, 2022 (Sunday). For the main category, Infostealer ranked top with 37.3%, followed by downloader with 35.7%, backdoor