YARA · Volexity threat-intel

VOLEXITY_Apt_Malware_Win_Applejeus_Oct22

Detects AppleJeus DLL samples.

APT / threat actorApplejeusVolexity threat-intelBSD 2-Clause LicenseCompiles with YARA-X

Author: threatintel@volexity.com
Date: 2022-11-03
Modified: 2025-05-21
Score / Quality: 75 / 80

What this rule detects

Detects AppleJeus DLL samples.

Associated malware family: Applejeus.

It defines 1 patterns (1 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar

apt-malware-win-applejeus-oct22.yarBSD 2-Clause License

rule VOLEXITY_Apt_Malware_Win_Applejeus_Oct22 : LAZYPINE FILE MEMORY
{
	meta:
		description = "Detects AppleJeus DLL samples."
		author = "threatintel@volexity.com"
		id = "f88e2253-e296-57d8-a627-6cb4ccff7a92"
		date = "2022-11-03"
		modified = "2025-05-21"
		reference = "https://github.com/volexity/threat-intel"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2022/2022-12-01 Buyer Beware - Fake Cryptocurrency Applications Serving as Front for AppleJeus Malware/yara.yar#L1-L22"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "82e67114d632795edf29ce1d50a4c1c444846d9e16cd121ce26e63c8dc4a1629"
		logic_hash = "46f3325a7e8e33896862b1971f561f4871670842aecd46bcc7a5a1af869ecdc4"
		score = 75
		quality = 80
		tags = "LAZYPINE, 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 = 8495
		version = 3

	strings:
		$s1 = "HijackingLib.dll" ascii

	condition:
		$s1
}

Strings (1 patterns)

Identifier	Type	Value	Modifiers
$s1	text	"HijackingLib.dll"	ascii

Condition

$s1

In plain words (Heuristic)

Pattern $s1 must be present.

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References

https://github.com/volexity/threat-intel

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

82e67114d632795edf29ce1d50a4c1c444846d9e16cd121ce26e63c8dc4a1629

Licence & attribution

Author: threatintel@volexity.com

Source repository: Volexity threat-intel @ 3a9d0b5245

Licence: BSD 2-Clause License (stated in the rule's own meta)

“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”

Original rule

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

Rule id: f88e2253-e296-57d8-a627-6cb4ccff7a92

Metadata

os	win
os_arch	all
scan_context	file,memory
severity	critical
rule_id	8495
version	3

Tags:LAZYPINE FILE MEMORY

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