kimsuky group's attack using hwp malware

2019-10-20 • kino •

https://sfkino.tistory.com/75

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The source analyzes a Kimsuky-style malicious HWP document disguised as a KINU expert consultation request on Korea-related policy issues. Embedded exploit and shellcode content decrypted a payload, injected code into HimTrayIcon.exe and userinit.exe, and then used svchost.exe for follow-on activity. The malware collected system information, supported file upload and download through Daum mail, and referenced C2 paths under clouds.scienceontheweb.net. The archive includes hashes, mutex values, RC4 key material, and related URLs for defenders investigating the intrusion chain.

Indicators of Compromise

Type Value First Seen Last Seen
HASH d94f26158dc3fd9fd93aa7f38afe63f… 2019-10-20 2021-05-01
HASH 702074bb1b644e1207633154ebf08eb9 2019-10-20 2021-05-01
URL http://clouds.scienceontheweb.n… 2019-10-20 2021-05-01
URL http://clouds.scienceontheweb.n… 2019-10-20 2021-05-01
DOMAIN clouds.scienceontheweb.net 2019-10-20 2021-05-01
HASH 0aa978d3ec302c57370201906148280… 2019-10-20 2019-10-20
HASH ddbca65cf7246eb3c970c00165c2245… 2019-10-20 2019-10-20
HASH ed4c809ec7fb8aec56e4280b3f2867a… 2019-10-20 2019-10-20
HASH fb6eabdefca6d447e72147f8054a28a… 2019-10-20 2019-10-20
HASH 683dd86af996b9e7e10c54f99e64753c 2019-10-20 2019-10-20
EMAIL [email protected] 2019-10-20 2019-10-20
URL http://clouds.scienceontheweb.n… 2019-10-20 2019-10-20

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