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YARA Rule: Windows_Ransomware_Avoslocker_7ae4d4f2.yar

Group: Avoslocker
Valid Rule

rule Windows_Ransomware_Avoslocker_7ae4d4f2
{
	meta:
		author = "Elastic Security"
		id = "7ae4d4f2-be5f-4aad-baaa-4182ff9cf996"
		fingerprint = "0e5ff268ed2b62f9d31df41192135145094849a4e6891407568c3ea27ebf66bb"
		creation_date = "2021-07-28"
		last_modified = "2021-08-23"
		threat_name = "Windows.Ransomware.Avoslocker"
		reference_sample = "43b7a60c0ef8b4af001f45a0c57410b7374b1d75a6811e0dfc86e4d60f503856"
		severity = 100
		arch_context = "x86, arm64"
		scan_context = "file, memory"
		license = "Elastic License v2"
		os = "windows"

	strings:
		$a1 = "drive %s took %f seconds" ascii fullword
		$a2 = "client_rsa_priv: %s" ascii fullword
		$a3 = "drive: %s" ascii fullword
		$a4 = "Map: %s" ascii fullword
		$a5 = "encrypting %ls failed" wide fullword

	condition:
		all of them
}