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MALPEDIA_Win_Veletrix_Auto

autogenerated rule brought to you by yara-signator

MalwareVeletrixMalpedia 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: Veletrix.

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

Summary generated from the rule's metadata and condition.

Rule source

win-veletrix-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Veletrix_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "a5f5b762-13c6-553b-b699-839d4e6ceb4f"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.veletrix"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.veletrix_auto.yar#L1-L125"
		license_url = "N/A"
		logic_hash = "caf3f0b619f428452505d9ee8537497d80964f351312a5e0d2c1e4059a2feec7"
		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 = { 7408 488bc2 e9???????? 4d3bc4 0f84d9000000 8b7500 498b9cf6c0920100 }
		$sequence_1 = { f20f59ee f20f5ce9 f2410f1004c1 488d1576860000 f20f1014c2 }
		$sequence_2 = { 85c0 742a 488bc5 4c8d05f5250100 488bcd 48c1f906 83e03f }
		$sequence_3 = { e8???????? 33db 8bf8 85c0 0f8453020000 4c8d2d461a0100 448bf3 }
		$sequence_4 = { 4c8d0d057c0000 c5f359c1 c5fb101d???????? c5fb102d???????? c4e2f1a91d???????? c4e2f1a92d???????? f20f10e0 }
		$sequence_5 = { c7459856697274 488bcb c7459c75616c50 4c8be0 c745a0726f7465 }
		$sequence_6 = { e8???????? 488b8f90000000 483b0d???????? 7417 488d05243d0100 }
		$sequence_7 = { 4c8d4c2448 488b4f10 41b840000000 ff542430 8b4f04 ba00080000 }
		$sequence_8 = { 48894df7 488945ef 488d0d8668ffff 83e03f 458be9 4d03e8 4c8945df }
		$sequence_9 = { 4c896daf 49c1fc06 4c8d34c0 4a8b84e100970100 4a8b44f028 }

	condition:
		7 of them and filesize < 234496
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 7408 488bc2 e9???????? 4d3bc4 0f84d9000000 8b7500 498b9cf6c0920100 }
$sequence_1hex{ f20f59ee f20f5ce9 f2410f1004c1 488d1576860000 f20f1014c2 }
$sequence_2hex{ 85c0 742a 488bc5 4c8d05f5250100 488bcd 48c1f906 83e03f }
$sequence_3hex{ e8???????? 33db 8bf8 85c0 0f8453020000 4c8d2d461a0100 448bf3 }
$sequence_4hex{ 4c8d0d057c0000 c5f359c1 c5fb101d???????? c5fb102d???????? c4e2f1a91d???????? c4e2f1a92d???????? f20f10e0 }
$sequence_5hex{ c7459856697274 488bcb c7459c75616c50 4c8be0 c745a0726f7465 }
$sequence_6hex{ e8???????? 488b8f90000000 483b0d???????? 7417 488d05243d0100 }
$sequence_7hex{ 4c8d4c2448 488b4f10 41b840000000 ff542430 8b4f04 ba00080000 }
$sequence_8hex{ 48894df7 488945ef 488d0d8668ffff 83e03f 458be9 4d03e8 4c8945df }
$sequence_9hex{ 4c896daf 49c1fc06 4c8d34c0 4a8b84e100970100 4a8b44f028 }

Condition

7 of them and filesize < 234496

In plain words (Heuristic)

  • The file must be smaller than 234496 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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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: a5f5b762-13c6-553b-b699-839d4e6ceb4f

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