ScarCruft利用福岛核废水排放话题进行攻击活动

2023-09-06 • 安恒信息 • ScarCruft uses the topic of Fukushima nuclear wastewater discharge to carry out attacks •

https://starmap.dbappsecurity.com.cn/blog/articles/2023/09/06/scarcruft-fukushima/

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ScarCruft used the Fukushima treated-water discharge controversy as a social-engineering theme against Korean users, distributing a `Fukushima.rar` archive containing a CHM file. When opened, the CHM executed remote code from `navercorp.ru/dashboard/image/202302/4.html` and displayed decoy content about Japanese beer sales after the discharge to distract the victim. The payload chain again launched a Chinotto backdoor through PowerShell, with C2-style communication to `navercorp.ru/dashboard/image/202302/com.php?U=`. The captured Chinotto variant retained file theft and upload capabilities while adding scheduled-task creation for persistence and file-deletion functionality to remove traces.

Indicators of Compromise

Type Value First Seen Last Seen
HASH b31b89e646de6e9c5cbe21798e0157f… 2023-09-06 2023-09-13
URL http://navercorp.ru/dashboard/i… 2023-09-04 2023-09-08
DOMAIN navercorp.ru 2023-09-04 2023-09-08
HASH a4ac2b37cd35ad8b4f4cb737a7dbf5a… 2023-09-06 2023-09-06
URL http://navercorp.ru/dashboard/i… 2023-09-06 2023-09-06

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