Attacker: CaptainSmok3r
Target: https://www.klongmai-sampran.go.th
Source: http://www.zone-h.org/mirror/id/41322638

Attacker: HACKED BY NANS
Target: santri.darussalamskb.sch.id/
Source: https://haxor.id/archive/mirror/215141

Based on the provided list, two victim countries can be identified along with the sectors that were targeted:

1. Thailand
Sector Targeted: Government Services
Nature of Attack: The website https://www.klongmai-sampran.go.th, which is presumably related to local government services or cultural affairs in Thailand, was compromised by the attacker known as CaptainSmok3r.

2. Indonesia
Sector Targeted: Education
Nature of Attack: The site santri.darussalamskb.sch.id, which is associated with an educational institution in Indonesia, was hacked by a group calling themselves HACKED BY NANS. This suggests that there may be vulnerabilities in the educational sector that were exploited.

In summary, the attacks highlight significant cybersecurity challenges faced by both Thailand in its government services and Indonesia in its educational institutions. These incidents indicate a rising trend in targeting vital public sectors, raising concerns over data protection and operational integrity in these countries.