VOLEXITY_Apt_Malware_Win_Bluelight

rule VOLEXITY_Apt_Malware_Win_Bluelight : INKYPINE FILE MEMORY
{
	meta:
		description = "The BLUELIGHT malware family. Leverages Microsoft OneDrive for network communications."
		author = "threatintel@volexity.com"
		id = "5bfdc74b-592e-5f3d-9fb8-bbbbd0f6f0f6"
		date = "2021-04-23"
		modified = "2025-02-18"
		reference = "https://www.volexity.com/blog/2021/08/24/north-korean-bluelight-special-inkysquid-deploys-rokrat/"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2021/2021-08-17 - InkySquid Part 1/indicators/yara.yar#L78-L120"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "7c40019c1d4cef2ffdd1dd8f388aaba537440b1bffee41789c900122d075a86d"
		hash = "94b71ee0861cc7cfbbae53ad2e411a76f296fd5684edf6b25ebe79bf6a2a600a"
		hash = "485246b411ef5ea9e903397a5490d106946a8323aaf79e6041bdf94763a0c028"
		logic_hash = "45490dfc793bb95f153c0194989b25e0b2641fa9b9f6763d5733eab6483ffead"
		score = 75
		quality = 80
		tags = "INKYPINE, FILE, MEMORY"
		os = "win"
		os_arch = "all"
		scan_context = "file,memory"
		severity = "critical"
		license = "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
		rule_id = 5284
		version = 12

	strings:
		$pdb1 = "\\Development\\BACKDOOR\\ncov\\"
		$pdb2 = "Release\\bluelight.pdb" nocase ascii
		$pdb3 = "D:\\Development\\GOLD-BACKDOOR\\Release\\FirstBackdoor.pdb"
		$pdb4 = "GOLD-BACKDOOR\\Release\\"
		$msg0 = "https://ipinfo.io" fullword
		$msg1 = "country" fullword
		$msg5 = "\"UserName\":\"" fullword
		$msg7 = "\"ComName\":\"" fullword
		$msg8 = "\"OS\":\"" fullword
		$msg9 = "\"OnlineIP\":\"" fullword
		$msg10 = "\"LocalIP\":\"" fullword
		$msg11 = "\"Time\":\"" fullword
		$msg12 = "\"Compiled\":\"" fullword
		$msg13 = "\"Process Level\":\"" fullword
		$msg14 = "\"AntiVirus\":\"" fullword
		$msg15 = "\"VM\":\"" fullword

	condition:
		any of ( $pdb* ) or all of ( $msg* )
}