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MALPEDIA_Win_Sagerunex_Auto

autogenerated rule brought to you by yara-signator

MalwareSagerunexMalpedia 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: Sagerunex.

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

Summary generated from the rule's metadata and condition.

Rule source

win-sagerunex-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Sagerunex_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "31ca12b9-5fde-5f6f-9082-f650f20522e0"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.sagerunex"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.sagerunex_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "c1e12e0e32073778914faf79dfeb0160f7d08b447bf0dc11191b315eee3d58c4"
		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 = { 488bbc2468010000 488d4510 660f1f440000 c60000 488d4001 48ffcb 75f4 }
		$sequence_1 = { e8???????? bb40000000 498d9698000000 448bc3 498bce 49c70600000000 41c7460801234567 }
		$sequence_2 = { b85c000000 6689844d40030000 48ffc9 4885c9 7fe0 33d2 488d8dc2000000 }
		$sequence_3 = { 0fbaef11 eb2b 488d1535e90000 41b807000000 488bcb e8???????? 85c0 }
		$sequence_4 = { 771b 7216 4883e808 48ffca 75e9 eb17 483bc2 }
		$sequence_5 = { 33d0 8bc1 418bcf c1e80a 33d0 418bc7 c1c10e }
		$sequence_6 = { 4833c4 488985a0070000 458bf8 4c8bf2 488bd9 e8???????? 4533ed }
		$sequence_7 = { 7509 4883e908 49ffc8 75f2 488b4310 bd40000000 4e8b0cc0 }
		$sequence_8 = { 0f1f4000 660f1f840000000000 488b06 493bee 498bfe }
		$sequence_9 = { 8bcf e8???????? 8d4b01 418bc4 0fafcb f7e9 c1fa02 }

	condition:
		7 of them and filesize < 619520
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 488bbc2468010000 488d4510 660f1f440000 c60000 488d4001 48ffcb 75f4 }
$sequence_1hex{ e8???????? bb40000000 498d9698000000 448bc3 498bce 49c70600000000 41c7460801234567 }
$sequence_2hex{ b85c000000 6689844d40030000 48ffc9 4885c9 7fe0 33d2 488d8dc2000000 }
$sequence_3hex{ 0fbaef11 eb2b 488d1535e90000 41b807000000 488bcb e8???????? 85c0 }
$sequence_4hex{ 771b 7216 4883e808 48ffca 75e9 eb17 483bc2 }
$sequence_5hex{ 33d0 8bc1 418bcf c1e80a 33d0 418bc7 c1c10e }
$sequence_6hex{ 4833c4 488985a0070000 458bf8 4c8bf2 488bd9 e8???????? 4533ed }
$sequence_7hex{ 7509 4883e908 49ffc8 75f2 488b4310 bd40000000 4e8b0cc0 }
$sequence_8hex{ 0f1f4000 660f1f840000000000 488b06 493bee 498bfe }
$sequence_9hex{ 8bcf e8???????? 8d4b01 418bc4 0fafcb f7e9 c1fa02 }

Condition

7 of them and filesize < 619520

In plain words (Heuristic)

  • The file must be smaller than 619520 (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: 31ca12b9-5fde-5f6f-9082-f650f20522e0

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