ASEC Weekly Phishing Email Threat Trends (November 13th, 2022 – November 19th, 2022 )

ASEC Weekly Phishing Email Threat Trends (November 13th, 2022 – November 19th, 2022 )

The ASEC analysis team monitors phishing email threats with the ASEC automatic analysis system (RAPIT) and Honeypot. This post will cover the cases of distribution of phishing emails during the week from November 13th, 2022 to November 19th, 2022 and provide statistical information on each type. Additionally, we will introduce

Phishing Website Disguised as a Famous Korean Email Login Website Being Distributed

Phishing Website Disguised as a Famous Korean Email Login Website Being Distributed

The ASEC analysis team has identified the distribution of a malicious website in Korea that aims to steal account credentials from a famous Korean email service website. The phishing website the email is redirected to is disguised as a login page for a Korean email website, and over 50 cases

Phishing Websites Disguised as Korean Groupware Login Website Being Distributed

Phishing Websites Disguised as Korean Groupware Login Website Being Distributed

The ASEC analysis team has been building a honeypot to collect various malware strains that are being distributed both in Korea and overseas. The honeypot also collects phishing emails and recently caught one targeting Korean users, which was being distributed continuously to Korean email accounts only since August. The phishing

Phishing Email Disguised as Korean Web Portal Page (Daum)

Phishing Email Disguised as Korean Web Portal Page (Daum)

On July 21st, the ASEC analysis team discovered the distribution of phishing email disguised as Daum, one of Korea’s portal websites. The email was made to resemble an estimate request by including RFQ on the title. It uses its attachment to lead the user to a phishing webpage.   The

GuLoader Disguised as Estimate Requests Being Distributed via Phishing Email

GuLoader Disguised as Estimate Requests Being Distributed via Phishing Email

GuLoader has ranked again in Top 5 malware keywords of ASEC Weekly Malware Statistics for the first time in two years. It is a downloader malware that can download additional malware, and got its name as Google Drive is frequently used as its download URL. ASEC Weekly Malware Statistics (June

Increased Phishing Attacks Disguised as Microsoft

Increased Phishing Attacks Disguised as Microsoft

The ASEC analysis team has recently discovered phishing emails disguised as Microsoft login pages. As shown in the figure below, one of the collected samples is disguised as the company’s voice message to prompt users to click the attached playback file. Clicking the file redirects users to a phishing webpage

Phishing Email Disguised as a Well-Known Korean Web Portal

Phishing Email Disguised as a Well-Known Korean Web Portal

The ASEC analysis team has recently discovered a phishing email that impersonates a well-known Korean web portal to collect user credentials. The phishing email demands the users to upgrade the mailbox storage, prompting them to click the link. Upon clicking the link, the user is redirected to the phishing page

Phishing Script Files Being Distributed by Impersonating Various Groupware

Phishing Script Files Being Distributed by Impersonating Various Groupware

The ASEC analysis team introduced ‘phishing websites targeting Korean email service users’ last year May through the TI analysis report and ASEC blog post. The team showed back then how the attackers leaked user credentials targeting users of NAVER WORKS, MAILPLUG, hiworks, Chollian, and Daum. Files that disguise themselves as

Distribution of Phishing Emails Targeting Korean Research Institutes and Companies

Distribution of Phishing Emails Targeting Korean Research Institutes and Companies

The ASEC analysis team has discovered the distribution of phishing emails targeting Korean research institutes and companies to steal passwords. The phishing email impersonated an international transport company, requesting the user to submit custom information, and open the attachment file to prompt the user to click the URL. Upon clicking

Phishing PDF Files with CAPTCHA Screen Being Mass-distributed

Phishing PDF Files with CAPTCHA Screen Being Mass-distributed

Phishing PDF files that have CAPTCHA screens are rapidly being mass-distributed this year. A CAPTCHA screen appears upon running the PDF file, but it is not an invalid CAPTCHA. It is simply an image with a link that redirects to a malicious URL. Related types that have been collected by