OneNote Malware Disguised as Compensation Form (Kimsuky) Posted By ye_eun , March 24, 2023 AhnLab Security Emergency response Center (ASEC) has discovered the distribution of a OneNote malware disguised as a form related to compensation. The confirmed file is impersonating the same research center as the LNK-type malware covered in the post below. Based on the identical malicious activity performed by the VBS files, the team has deduced that the same threat actor is behind both incidents. Malware Distributed Disguised as a Password File As shown in the figure below, a page discussing compensation…
Malware Distributed Disguised as a Password File Posted By ye_eun , March 17, 2023 AhnLab Security Emergency response Center (ASEC) discovered a malware strain disguised as a password file and being distributed alongside a normal file within a compressed file last month. It is difficult for users to notice that this file is malicious because this type of malware is distributed together with a normal file. The recently discovered malware was in CHM and LNK file formats. In the case of the CHM file, it shares the same type as the malware covered in…
2022 Threat Trend Report on Kimsuky Posted By ahnlabti , March 16, 2023 In comparison to 2021, 2022 was a year filled with invisible activities, new attack types, Fully Qualified Domain Names (FQDN), and attack preparations. AhnLab identified a significantly higher number of these activities in comparison to 2021. One of these cases involved an incorrect configuration of C2 servers, causing the files within the said servers to be exposed and allowing AhnLab to procure samples, server information files, and variant samples that had never been known externally. The threat actors are using…
Unique characteristics of Kimsuky group’s spear phishing emails Posted By ahnlabti , March 16, 2023 A unique difference with the past cases was discovered during the analysis of the Kimsuky group’s spear phishing URLs. Until now, the group used Fully Qualified Domain Names (FQDN) disguised as famous Korean web portals. An analysis of the URLs collected during the past two months revealed multiple new FQDNs including keywords related to certain Korean banks, instead of the past FQDNs disguised as web portals. Unique characteristics of Kimsuky group’s spear phishing emails
CHM Malware Disguised as North Korea-related Questionnaire (Kimsuky) Posted By ye_eun , March 13, 2023 AhnLab Security Emergency response Center (ASEC) has recently discovered a CHM malware which is assumed to have been created by the Kimsuky group. This malware type is the same as the one covered in the following ASEC blog posts and the analysis report on the malware distributed by the Kimsuky group, its goal being the exfiltration of user information. Analysis Report on Malware Distributed by the Kimsuky Group – Oct 20, 2022 APT Attack Being Distributed as Windows Help File (*.chm) –…
