VOLEXITY_Apt_Malware_Win_Dustpan_Apihashes

rule VOLEXITY_Apt_Malware_Win_Dustpan_Apihashes : STORMBAMBOO FILE
{
	meta:
		description = "Detects DUSTPAN malware using API hashes used to resolve functions at runtime."
		author = "threatintel@volexity.com"
		id = "ed275da4-cd95-5fa3-a568-e610fb405bb3"
		date = "2023-08-17"
		modified = "2024-08-02"
		reference = "https://github.com/volexity/threat-intel"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2024/2024-08-02 StormBamboo/rules.yar#L171-L205"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "b77bcfb036f5a6a3973fdd68f40c0bd0b19af1246688ca4b1f9db02f2055ef9d"
		logic_hash = "3edb66ade428c451c18aa152244f869f9f8c10e62ed942bf722b4d1cf1893e93"
		score = 75
		quality = 80
		tags = "STORMBAMBOO, FILE"
		os = "win"
		os_arch = "all"
		report1 = "MAR-20230818"
		report2 = "TIB-20231221"
		scan_context = "file"
		severity = "critical"
		license = "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
		rule_id = 9591
		version = 3

	strings:
		$h1 = {9c 5b 9f 0b}
		$h2 = {4c 8f 3e 08}
		$h3 = {b4 aa f2 06}
		$h4 = {dc cb ca 09}
		$h5 = {d4 33 07 0e}
		$h6 = {27 89 d6 0a}
		$h7 = {b5 7d ae 09}
		$h8 = {4e 64 eb 0b}
		$h9 = {be 17 d9 08}
		$magic = "SMHM"

	condition:
		6 of ( $h* ) and $magic
}