Malware Disguised as HWP Document File (Kimsuky)

2023-06-23 • Ahnlab •

https://asec.ahnlab.com/en/54736/

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Considering that the words used in the malware and the executed script code are similar to that of previously analyzed codes, it is suspected that the same threat group (Kimsuky) is also the creator of this malware. Both the script present in the above URL and the subsequent scripts executed perform functions such as user credential leakage and keylogging, which are consistent with the findings in the <Analysis Report on Malware Distributed by the Kimsuky Group>. The message contains North Korean dialect as shown in Figure 4 below. Given the continuous detection of this malware type being distributed, users are advised to exercise extra caution.

Indicators of Compromise

Type Value First Seen Last Seen
HASH e5226f945e3ec29868891edc63e64ca… 2023-06-16 2024-04-17
DOMAIN well-story.co.kr 2023-06-16 2024-04-17
HASH 91029801f6f3a415392ccfee8226be67 2023-06-16 2023-08-16
HASH 73174c9d586531153a5793d050a394a8 2023-06-16 2023-08-16
HASH 6875ea7bb026e5756b0d5fa0467bc8b… 2023-06-16 2023-06-23
HASH 767a9085f6d793a1583ab5b850a3fe2… 2023-06-16 2023-06-23
URL http://well-story.co.kr/adm/inc… 2023-06-16 2023-06-23
URL http://well-story.co.kr/adm/inc… 2023-06-16 2023-06-23
URL http://well-story.co.kr/adm/inc… 2023-06-16 2023-06-23
URL http://well-story.co.kr/adm/inc… 2023-06-16 2023-06-23
URL http://well-story.co.kr/adm/inc… 2023-06-16 2023-06-23

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