SEKOIA_Ransomware_Win_Honkai_Jan2023

rule SEKOIA_Ransomware_Win_Honkai_Jan2023 : FILE
{
	meta:
		description = "Rule to detect Honkai ransomware samples."
		author = "Sekoia.io"
		id = "6ef91cb5-e122-4f91-bc15-3813b8f91cbf"
		date = "2023-02-13"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/ransomware_win_honkai_jan2023.yar#L1-L23"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "989cf96da60d9ebfb6f364717b4f0cae1667fdc7f9d89f77acc254ab47d439e6"
		logic_hash = "19f831f77e043f11b790b7f24e9f585e4986d9af6580bae7c344b7960f2f0965"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$s1 = "DP_Main.exe" ascii wide
		$s2 = "DP_MainForm" ascii wide
		$s3 = "DP_Main" ascii wide
		$s4 = "#DECRYPT MY FILES#.html" ascii wide
		$s5 = "/api/Encrypted.php" ascii wide
		$s6 = "http://upload.paradisenewgenshinimpact.top:2095" ascii wide
		$s7 = "main@paradisenewgenshinimpact.top" ascii wide
		$s8 = ".honkai" ascii wide

	condition:
		uint16be( 0 ) == 0x4d5a and 6 of them
}