ASEC Weekly Phishing Email Threat Trends (March 26th, 2023 – April 1st, 2023)

ASEC Weekly Phishing Email Threat Trends (March 26th, 2023 – April 1st, 2023)

AhnLab Security Emergency response Center (ASEC) 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 March 26th, 2023 to April 1st, 2023 and provide statistical information on each type. Generally,

Qakbot Being Distributed in Korea Through Email Hijacking

Qakbot Being Distributed in Korea Through Email Hijacking

AhnLab Security Emergency response Center (ASEC) has identified circumstances of Qakbot being distributed via malicious PDF files attached to forwarded or replies to existing emails. Qakbot banking malware is one of those that are continuously being distributed through various media. ASEC has covered the distribution trends of Qakbot over the

3CX DesktopApp Supply Chain Attack Also Detected in Korea

3CX DesktopApp Supply Chain Attack Also Detected in Korea

On March 29, 2023, CrowdStrike announced that a threat group based in North Korea launched a supply chain attack through 3CX DesktopApp. [1] With this app, the threat actor installed an Infostealer in the target system. AhnLab Security Emergency response Center (ASEC) previously announced a 3CX DesktopApp supply chain attack in the

Bitter Group Distributes CHM Malware to Chinese Organizations

Bitter Group Distributes CHM Malware to Chinese Organizations

The Bitter (T-APT-17) group is a threat group that usually targets South Asian government organizations, using Microsoft Office programs to distribute malware such as Word or Excel. AhnLab Security Emergency response Center (ASEC) has identified multiple circumstances of the group distributing CHM malware to certain Chinese organizations. CHM files have

Caution When Using 3CX DesktopApp (CVE-2023-29059)

Caution When Using 3CX DesktopApp (CVE-2023-29059)

Overview Details about how supply chains were attacked through the 3CX DesktopApp were published. [1] This software provides users with various communication functions, such as voice calls and video conferences, and can be operated on both Windows and MAC operating systems. Currently, the 3CX company is preparing to issue a new

Initech Product (INISAFE CrossWEB) Security Update Recommendation

Initech Product (INISAFE CrossWEB) Security Update Recommendation

Overview A security update to patch the vulnerability of Initech’s INISAFE CrossWeb EX V3 has been announced. INISAFE CrossWeb EX V3 is a software program used for electronic financial transactions and financial security certification in the public sector. It is used by various companies and individuals for Internet banking, so

ASEC Weekly Phishing Email Threat Trends (March 19th, 2023 – March 25th, 2023)

ASEC Weekly Phishing Email Threat Trends (March 19th, 2023 – March 25th, 2023)

AhnLab Security Emergency response Center (ASEC) 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 March 19th, 2023 to March 25th, 2023 and provide statistical information on each type. Generally,

Emotet Being Distributed via OneNote

Emotet Being Distributed via OneNote

AhnLab Security Emergency response Center (ASEC) has recently discovered the distribution of Emotet being distributed via OneNote. A spear phishing email as below attached with a OneNote file prompts the reader to open the attachment which contains a malicious script file (JS file). Upon running the OneNote file, it directs

EDR Product Analysis of an Infostealer

EDR Product Analysis of an Infostealer

AhnLab Security Emergency response Center (ASEC) released an analysis report on an Infostealer that is being distributed through YouTube. Infostealer Being Distributed via YouTube As mentioned in the report, an Infostealer is being distributed through various platforms, and the leaked information is causing both direct and indirect harm to users.

Kimsuky Group Uses ADS to Conceal Malware

Kimsuky Group Uses ADS to Conceal Malware

AhnLab Security Emergency response Center (ASEC) has discovered that the Kimsuky group is using Alternate Data Stream (ADS) to hide their malware. This malware is an Infostealer that collects data by starting the VBScript included inside an HTML file. It can be characterized by its tendency to add the actual