Word Documents Disguised as Normal MS Office URLs Being Distributed Posted By jcleebobgatenet , November 25, 2022 Recently, there has been a case of malware disguised as a Word document being distributed through certain paths (e.g. KakaoTalk group chats). The ASEC analysis team has discovered during our additional monitoring process that the URL used in the fake Word document is becoming very cleverly disguised to closely resemble the normal URL, and we wish to advise caution on the part of users. The currently identified filenames of the malicious Word documents are as follows.The real names of Koreans found…
Malicious Word Document Being Distributed in Disguise of a News Survey Posted By jcleebobgatenet , November 25, 2022 The ASEC analysis team discovered that the Word document type identified in the blog, ‘Malicious Word Files Targeting Specific Individuals Related to North Korea,’ has recently been using FTP to leak user credentials. The filename of the identified Word document is ‘CNA[Q].doc’, disguised as a CNA Singaporean TV program interview. The file is password-protected and is deemed to be distributed as an attachment in emails alongside the password. The identified Word file contains information related to North Korea like the…
Wiki Ransomware Being Distributed in Korea Posted By jcleebobgatenet , November 25, 2022 Through the AhnLab ASD infrastructure’s history of blocking suspicious ransomware behavior, the ASEC analysis team has identified the distribution of Wiki ransomware, which has been determined to be a variant of Crysis ransomware, disguised as a normal program. Before performing the actual encryption, Wiki ransomware copies itself into the %AppData% or %windir%\system32 paths and undergoes a process of increasing the infection success rate of the ransomware by adding itself to the registry (HKLM\Software\Microsoft\Windows\CurrentVersion\Run) to be registered as one of the…
Koxic Ransomware Being Distributed in Korea Posted By jcleebobgatenet , November 25, 2022 It has been discovered that Koxic ransomware is being distributed in Korea. It was first identified earlier this year, and recently, the team found that a file with a modified appearance and internal ransom note had been detected and blocked via the ASD infrastructure. When infected, the “.KOXIC_[random string]” extension is added to the names of the encrypted files, and a TXT file ransom note is generated in each directory. The filename of the ransom note is as follows. The…
DAGON LOCKER Ransomware Being Distributed Posted By jcleebobgatenet , November 16, 2022 It was discovered that the DAGON LOCKER ransomware (hereinafter referred to as “DAGON”) is being distributed in Korea. It was first found through AhnLab ASD infrastructure’s suspicious ransomware behavior block history. In October, it was also reported to AhnLab as a suspicious file by a Korean organization. DAGON is commonly distributed through phishing mails or as an attachment to emails, but because it is a ransomware-as-a-service, the distribution route and target can vary according to the threat actor. As the…
