APT-C-28(ScarCruft)组织对韩国地区攻击活动分析

2023-04-11 Qihoo360 APT-C-28 (ScarCruft) analysis of attack activities in South Korea

https://mp.weixin.qq.com/s/RHbsCLzahLP0zGgC3N5pPQ

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360 Threat Intelligence Center reports that APT-C-28/ScarCruft, also known as Konni, conducted targeted attacks against South Korean entities using Korean-language lure documents related to rewards, payments, cryptocurrency, and contacts. The malicious macro documents downloaded or released CAB payloads, executed batch scripts, selected UAC-bypass methods based on system version and CPU architecture, and installed a disguised Remote Database Service Update service for persistence. The final remote-control DLL collected system and process information, encrypted uploads, and communicated with C2 infrastructure such as 4895750.c1.biz and 5645780.c1.biz. The report ties the activity to Konni based on targeting, lure style, CAB-based loading, remote-control behavior, and overlap with prior payloads used by the group.

Indicators of Compromise

Type Value First Seen Last Seen
HASH 7b27586c4b332c5e87784c8d3e45a523 2023-04-11 2024-09-05
DOMAIN 4895750.c1.biz 2022-12-07 2024-09-05
HASH cf5f18032667bfb4c7373191e7fb1fbf 2022-11-16 2024-09-05
HASH 00e6e9ed4666623860686c123ed334f0 2022-11-16 2024-09-05
DOMAIN c1.biz 2020-01-23 2024-09-05
HASH 1ae5b24456d9751dbd15c5c4fccef261 2023-04-11 2023-04-11
HASH d3dbd7bb1299096441c5ebba6ce2675e 2023-04-11 2023-04-11
HASH 8a37c1614aed81a2b9d1f44cf84e2515 2023-04-11 2023-04-11
HASH 8e50622992a4b4b33127c34ff3fdbd30 2023-04-11 2023-04-11
HASH 079be709ce7e57f4015b0ca8347e8a29 2023-04-11 2023-04-11
HASH 3f96cd95327a8c801972620c7906dcf… 2023-04-11 2023-04-11
URL http://5645780.c1.biz//index.ph… 2023-04-11 2023-04-11
DOMAIN 5645780.c1.biz 2022-12-07 2023-04-11

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