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RATatouille: Today’s Special: Impersonating Companies in Korea, Payments in Cryptocurrency

While tracking infrastructure related to ValleyRAT, numerous suspicious websites were identified that impersonated companies and brands from Korea such as Doosan Robotics and Cheonjeong. The identified sites used the actual companies’ logos, promotional videos, and descriptions to disguise themselves as official websites. The websites offered features such as invitation-code-based registration, login, fee history inquiries, VIP […]

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

Statistics on Malware Distributed to the Financial Sector In Attack Stage 1, phishing (attacks that trick users into revealing information) had the highest rate at 2.1, Up from 1.8 The previous month. In Attack Stage 2, “Dropper/Downloader” (a type that downloads additional malware) was the most common at 1.1, Though this was a decrease from […]

They told me to check my retirement savings balance, but now they’re asking for my password?

You should also be wary of emails urging you to check the status of your retirement pension fund—a topic that might interest office workers. Recently, phishing emails have been identified that use retirement pension notifications as a pretext to steal email account information. Under the pretext of verifying a secure email, threat actors trick recipients […]

Beware of Phishing Emails Disguised as Purchase Orders

Recently, the AhnLab SEcurity intelligence Center (ASEC) identified instances of phishing emails being circulated that disguise themselves as requests to confirm purchase orders. The email body asks recipients to review the attached purchase order and reply with the relevant information, prompting users to download and open the attached DOCX file. Attachment: PURCHASED ORDER.Docx   [Figure […]

Beware of Malware infection in Facebook Ads Offering Cryptocurrency Rewards

Just because it’s a familiar tactic doesn’t mean you can let your guard down. A similar attack method using cryptocurrency rewards as bait has recently been identified again. This time, a case was confirmed in which the Node.Js-based malware JSCEAL was distributed through Facebook ads impersonating a cryptocurrency exchange. The threat actors lured users to […]

Beware of SMS messages claiming to protect your Pi Coin account—phishing sites are stealing wallets

One day, out of the blue, I received a text message claiming to protect my cryptocurrency account. However, this message concealed a sinister intent: to steal the user’s wallet information. Recently, a smishing campaign was identified that impersonated Pi Coin account protection to lure users to phishing pages and steal their cryptocurrency wallet information. The […]

Beware of Phishing Emails That Disguise Themselves as Project Material Purchase Requests

Recently, the AhnLab SEcurity intelligence Center (ASEC) identified a case of phishing emails that disguise themselves as project material purchase request forms. 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 project material purchase request form. […]

Beware of phishing emails disguised as quote requests

Recently, the AhnLab SEcurity intelligence Center (ASEC) confirmed that phishing emails disguised as requests for project quotes are being circulated. The email body is disguised as a request to submit a quote for discussing the project budget and prompts recipients to download an attached compressed file for verification.   [Figure 1] Phishing email body   […]

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

Statistics on Malware Distributed to the Financial Sector Malware Distribution Trends. In Attack Stage 1, phishing was the highest at 2.1, Up from 1.8 The previous month. In Attack Stage 2, dropper/downloader was the highest at 1.1, Down from 3.2 The previous month. In Stage 3 of the attack, Infostealers were the most prevalent at […]

I just trusted the security certificate prompt… Beware of the LegionLoader malware being distributed via the ClickFix method

The AhnLab SEcurity intelligence Center (ASEC) recently identified the LegionLoader malware, which is currently being distributed via the ClickFix method. There are two main distribution methods identified so far; both involve tricking users into visiting a malicious URL and then prompting them to directly execute malicious PowerShell commands through a fake Cloudflare CAPTCHA screen.   […]

“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, […]

July 2026 Security Issues in Korean & Global Financial Sector

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 […]
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