Statistics

ASEC Weekly Malware Statistics (January 23rd, 2023 – January 29th, 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 January 23rd, 2023 (Monday) to January 29th, 2023 (Sunday). For the main category, downloader ranked top with 44.2%, followed by Infostealer with 34.3%, backdoor with 18.5%, ransomware with 2.6%, and CoinMiner with 0.4%. Top 1 – BeamWinHTTP BeamWinHTTP is a downloader malware that ranked top with 24.0%. The malware is distributed via malware disguised…

ASEC Weekly Phishing Email Threat Trends (January 15th, 2023 – January 21st, 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 15th, 2023 to January 21st, 2023 and provide statistical information on each type. Generally, phishing is cited as an attack that leaks users’ login account credentials by disguising as or impersonating an institute, company, or individual through social engineering methods. On a broader note, the act…

ASEC Weekly Malware Statistics (January 16th, 2023 – January 22nd, 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 January 16th, 2022 (Monday) to January 22nd, 2023 (Sunday). For the main category, Infostealer ranked top with 43.0%, followed by downloader with 30.06%, backdoor with 19.9%, ransomware with 3.8%, CoinMiner 2.4%, and baking malware with 0.3%. Top 1 – BeamWinHTTP BeamWinHTTP is a downloader malware that ranked top with 20.3%. The malware is distributed…

ASEC Weekly Phishing Email Threat Trends (January 8th, 2023 – January 14th, 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 8th, 2023 to January 14th, 2023 and provide statistical information on each type. Generally, phishing is cited as an attack that leaks users’ login account credentials by disguising as or impersonating an institute, company, or individual through social engineering methods. On a broader note, the act…

ASEC Weekly Malware Statistics (January 9th, 2023 – January 15th, 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 January 9th, 2023 (Monday) to January 15th, 2023 (Sunday). For the main category, downloader ranked top with 38.4%, followed by Infostealer with 37.0%, backdoor with 18.2%, ransomware with 4.0%, CoinMiner with 1.5%. Top 1 – SmokeLoader SmokeLoader is an Infostealer/downloader malware that is distributed via exploit kits. This week, it ranked first place with…