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MALPEDIA_Win_Juicy_Potato_Auto

autogenerated rule brought to you by yara-signator

MalwareJuicy PotatoMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Juicy Potato.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-juicy-potato-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Juicy_Potato_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "84a4407a-99f0-5710-abf4-abb943de48d7"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.juicy_potato"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.juicy_potato_auto.yar#L1-L120"
		license_url = "N/A"
		logic_hash = "3ee4e46af149d5e35c17ac679fe71d89a45dde816af90c430a29bfe439fef7a5"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { 4883ec20 488d05c3d20100 488bd9 488901 }
		$sequence_1 = { 488b8b20010000 e8???????? 488db328010000 bd06000000 488d7b38 488d05aecf0300 483947f0 }
		$sequence_2 = { 57 4883ec20 418be8 4c8d0d52090300 }
		$sequence_3 = { 488907 488d057f740100 48894710 33c0 80a727010000fc 48898700010000 48898708010000 }
		$sequence_4 = { 4885c0 7509 488d0527200400 eb04 }
		$sequence_5 = { 488d4b30 4c8bc3 488d15075bffff e8???????? 488b5b28 }
		$sequence_6 = { 488bc8 488d152e9c0100 ff15???????? 4885c0 0f842c030000 488bc8 }
		$sequence_7 = { 83f8ff 7504 32c0 eb1b 488d15fa8a0400 8bc8 }
		$sequence_8 = { 488d0d41240400 e8???????? 488d45f0 4889442428 89742420 4c8bcf 4c8d0595efffff }
		$sequence_9 = { 4889442430 488d542468 c744242801000000 4533c0 33c9 48895c2420 }

	condition:
		7 of them and filesize < 736256
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 4883ec20 488d05c3d20100 488bd9 488901 }
$sequence_1hex{ 488b8b20010000 e8???????? 488db328010000 bd06000000 488d7b38 488d05aecf0300 483947f0 }
$sequence_2hex{ 57 4883ec20 418be8 4c8d0d52090300 }
$sequence_3hex{ 488907 488d057f740100 48894710 33c0 80a727010000fc 48898700010000 48898708010000 }
$sequence_4hex{ 4885c0 7509 488d0527200400 eb04 }
$sequence_5hex{ 488d4b30 4c8bc3 488d15075bffff e8???????? 488b5b28 }
$sequence_6hex{ 488bc8 488d152e9c0100 ff15???????? 4885c0 0f842c030000 488bc8 }
$sequence_7hex{ 83f8ff 7504 32c0 eb1b 488d15fa8a0400 8bc8 }
$sequence_8hex{ 488d0d41240400 e8???????? 488d45f0 4889442428 89742420 4c8bcf 4c8d0595efffff }
$sequence_9hex{ 4889442430 488d542468 c744242801000000 4533c0 33c9 48895c2420 }

Condition

7 of them and filesize < 736256

In plain words (Heuristic)

  • The file must be smaller than 736256 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 84a4407a-99f0-5710-abf4-abb943de48d7

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE

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