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DITEKSHEN_MALWARE_Win_Gloomanestealer

Detects GloomaneStealer

MalwareGloomanestealerditekSHen detectionBSD 2-Clause LicenseCompiles with YARA-X
Author
ditekSHen
Date
2020-11-06
Modified
2024-11-01
Score / Quality
75 / 75

What this rule detects

Detects GloomaneStealer

Associated malware family: Gloomanestealer.

Targets: Windows PE.

It defines 9 patterns (9 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-gloomanestealer.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Gloomanestealer : FILE
{
	meta:
		description = "Detects GloomaneStealer"
		author = "ditekSHen"
		id = "6e3c7e8f-4b75-5198-aa41-076f29aac227"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L9445-L9461"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "36aa9f863efb8172ed6449932169e6cb26cdeedd84bc734e09a8116a9c7774ac"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = "=GLOOMANE STEALER=" wide
		$x2 = "Maded by GLOOMANE" wide
		$s1 = "\\44CALIBER" ascii
		$s2 = "Ethernet()" fullword wide
		$s3 = ":spy: NEW LOG FROM" wide
		$s4 = ":eye: IP:" wide
		$s5 = ":file_folder: Grabbed Files" wide
		$s6 = "$ebc25cf6-9120-4283-b972-0e5520d0000C" fullword ascii
		$s7 = "$3b0e2d3d-3d66-42bb-8f9c-d6e188f359ae" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( all of ( $x* ) or ( 1 of ( $x* ) and 3 of ( $s* ) ) or 5 of ( $s* ) )
}

Strings (9 patterns)

IdentifierTypeValueModifiers
$x1text"=GLOOMANE STEALER="wide
$x2text"Maded by GLOOMANE"wide
$s1text"\\44CALIBER"ascii
$s2text"Ethernet()"fullword wide
$s3text":spy: NEW LOG FROM"wide
$s4text":eye: IP:"wide
$s5text":file_folder: Grabbed Files"wide
$s6text"$ebc25cf6-9120-4283-b972-0e5520d0000C"fullword ascii
$s7text"$3b0e2d3d-3d66-42bb-8f9c-d6e188f359ae"fullword ascii

Condition

uint16( 0 ) == 0x5a4d and ( all of ( $x* ) or ( 1 of ( $x* ) and 3 of ( $s* ) ) or 5 of ( $s* ) )

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All patterns in ( $x* ) must match.
  • At least 1 patterns in ( $x* ) must match.
  • At least 3 patterns in ( $s* ) must match.
  • At least 5 patterns in ( $s* ) must match.

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References

Licence & attribution

Author: ditekSHen

Source repository: ditekSHen detection @ e76c93dcde

Licence: BSD 2-Clause License (repository licence)

Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).

Original rule

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

Rule id: 6e3c7e8f-4b75-5198-aa41-076f29aac227

Tags:FILE

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