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“Evasive” Malware Attack Tactics: Hiding, Bypassing, and Reappearing

  People who initially seem fine but tend to subtly avoid others as the relationship deepens or when conflicts arise—and who disappear when pressured—are commonly referred to as “avoidant types.” By repeatedly pulling away only to reappear, they drain the other person’s emotions and energy, ultimately undermining the relationship. The attack pattern of the recently […]

Kim Sooki again? This time, it was disguised as a request for seafood ingredients

A request to review the purchase of seafood ingredients arrived. When the file is opened, a normal hwp document appears, but while the user is reviewing the contents, a malicious script runs in the background and even registers a scheduled task. It then extracts system information to an external location, downloads and executes additional commands, […]

Security Issues in the Korean & Global Financial Sector in July 2026

Statistics on Malware Distributed to the Financial Sector In Attack Stage 1, phishing (a technique that tricks users into opening malicious links or attachments) had the highest rate at 1.7, Down from 2.3 The previous month. In Attack Stage 2, Dropper/Downloader (a type that downloads additional malware) was the most prevalent at 1.7, Up from […]

Beware of Phishing Emails Disguised as Transaction Receipts

Recently, the AhnLab SEcurity intelligence Center (ASEC) identified instances of phishing emails that were disguised as transaction receipts. The emails impersonated employees of a specific US company. The body of the message stated that a transaction receipt was attached and asked the recipient to review it and confirm whether funds had been deposited into their […]

June 2026 Security Issues in Korean & Global Financial Sector

Statistics on Malware Distributed to the Financial Sector In the June threat analysis for the financial sector, phishing was the most prevalent attack method in Attack Stage 1, while droppers/downloaders (distribution tools that download additional malware) were the most prevalent in Attack Stage 2. Infostealers were identified in the third attack stage, indicating that multi-stage […]

Beware of Phishing Emails Disguised as Money Transfer Confirmations

Recently, the AhnLab SEcurity intelligence Center (ASEC) identified a case of phishing emails that disguise themselves as payment confirmation notices. These emails impersonate employees of a specific company in Korea and trick recipients into opening a malicious XLS file attached to the email, which is disguised as a payment confirmation notice.   [Figure 1] Body […]

Beware of Phishing Emails Disguised as Project Proposals

The AhnLab SEcurity intelligence Center (ASEC) recently confirmed that phishing emails disguised as project proposals are being circulated. The body of the email pretends to request that the proposal and confirmed delivery schedule be submitted as soon as possible, and prompts the recipient to download the attached compressed file.   [Figure 1] Phishing email body […]

What if you received an email about transferring your Kakao account? Check this first.

Recently, a phishing email disguised as an official Kakao account transfer notification has been identified. The email attempts to instill anxiety by claiming that the user’s Kakao account is scheduled to be transferred, and prompts the user to click on the “Verify Account” link included in the body of the message. If a user enters […]

May 2026 Security Issues in Korean & Global Financial Sector

Statistics on Malware Distributed to the Financial Sector In Attack Stage 1 targeting the financial sector in May 2026, phishing had the highest score at 2.3. This is the highest figure since December 2025, indicating that Initial Breach attempts are increasingly centered on phishing. In Attack Stage 2, Dropper/Downloader had the highest rate at 1.4, […]

It looks like a normal resume, but the infection begins the moment it is opened.

Malicious shortcut files disguised as resume files have recently been circulating, requiring corporate users to exercise caution. Threat actors name the files to resemble resume documents containing company names and job titles, and when executed, they display a legitimate decoy file alongside the malicious file to lower the user’s suspicion. The file then downloads additional […]

The proliferation and evolution of AI-powered hacking tools – how generative AI has changed the cyber attack ecosystem and response strategies

WormGPT, which emerged in June 2023, has brought a paradigm shift to the cybercrime ecosystem. generative AI has lowered the barrier to entry for attacks, and AI-powered hacking tools are rapidly proliferating in both paid subscription services and free open source. furthermore, AI is evolving beyond the creation of attack tools to the management of […]

Don’t trust ‘secure mail’! malicious Files Impersonating Credit Card Companies Are Being Distributed

ahnLab recently confirmed the distribution of malicious files disguised as security emails from a major credit card company in Korea. this attack has a similar flow to the Kimsuky group’s past malicious LNK distribution case of disguising password files, but it is characterized by a change in the command execution of the initial LNK file. […]

April 2026 Security Issues in Korean & Global Financial Sector

Statistics on Malware Distributed to the Financial Sector attack Stage 1 Phishing, Attack Stage 2 Backdoor-Downloader-Dropper, and Attack Stage 3 Infostealer-Ransomware were identified as the top malware in the financial sector. The actual distribution files were identified based on MD5 Hash, and it was explained that there may be many variants of the same family. […]

April 2026 Phishing Email Trends Report

Statistics on Attachment Threat Types in April 2026, the most common threat in phishing email attachments was Trojan (47%). this type was distributed by disguising itself with a double extension or a legitimate file name to trick the user into executing it and installing malware on the system. they continued to spread through multiple variants […]

March 2026 Phishing Email Trends Report

Statistics on Attachment Threats Types. trojans accounted for the largest share of attachment-based threats in March 2026 at 21%. phishing (FakePage) came in at 15%, with a significant month-over-month decrease in share from 42% to 15%, but a slight decrease in volume. downloaders were identified at 9% and droppers at 7%. trojans continue to circulate […]
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