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SEKOIA_Infostealer_Win_Doenerium_Str

Detect the Doenerium infostealer based on specific strings

MalwareSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X
Author
Sekoia.io
Date
2022-09-29
Modified
2024-12-19
Score / Quality
75 / 80

What this rule detects

Detect the Doenerium infostealer based on specific strings

Targets: Windows PE.

It defines 15 patterns (15 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

infostealer-win-doenerium-str.yarDetection Rule License 1.1
rule SEKOIA_Infostealer_Win_Doenerium_Str : FILE
{
	meta:
		description = "Detect the Doenerium infostealer based on specific strings"
		author = "Sekoia.io"
		id = "1645a86f-1063-4e98-a1fa-85fc8c4e9691"
		date = "2022-09-29"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/infostealer_win_doenerium_str.yar#L1-L29"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "9bc28d89ad2654c33f2ecd9736f5fb3a10dfc68dfef44ece6e628f5bb8db0800"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$str01 = "doenerium" ascii
		$str02 = "<================[   User Info   ]>================>" ascii
		$str03 = "<================[WiFi connections]>================>" ascii
		$str04 = "<================[Executable Info]>================>" ascii
		$str05 = "<================[ Network Data ]>================>" ascii
		$str06 = "\\Network Data.txt" ascii
		$str07 = "\\Update.exe\" --processStart" ascii
		$str09 = "\\WiFi Connections.txt" ascii
		$str10 = "\\User Info.txt" ascii
		$str11 = "\\Executable Info.txt" ascii
		$str12 = "\\Found Wallets.txt" ascii
		$str13 = "SELECT origin_url, username_value, password_value FROM logins" ascii
		$str14 = "https://cdn.discordapp.com/embed/avatars/0.png" ascii
		$str15 = "detectClipboard" ascii
		$str16 = ".gofile.io/uploadFile" ascii

	condition:
		uint16( 0 ) == 0x5A4D and 6 of them
}

Strings (15 patterns)

IdentifierTypeValueModifiers
$str01text"doenerium"ascii
$str02text"<================[ User Info ]>================>"ascii
$str03text"<================[WiFi connections]>================>"ascii
$str04text"<================[Executable Info]>================>"ascii
$str05text"<================[ Network Data ]>================>"ascii
$str06text"\\Network Data.txt"ascii
$str07text"\\Update.exe\" --processStart"ascii
$str09text"\\WiFi Connections.txt"ascii
$str10text"\\User Info.txt"ascii
$str11text"\\Executable Info.txt"ascii
$str12text"\\Found Wallets.txt"ascii
$str13text"SELECT origin_url, username_value, password_value FROM logins"ascii
$str14text"https://cdn.discordapp.com/embed/avatars/0.png"ascii
$str15text"detectClipboard"ascii
$str16text".gofile.io/uploadFile"ascii

Condition

uint16( 0 ) == 0x5A4D and 6 of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 6 patterns in the rule must match.

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References

Licence & attribution

Author: Sekoia.io

Source repository: SEKOIA.IO Community @ a438a5901a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

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

Rule id: 1645a86f-1063-4e98-a1fa-85fc8c4e9691

Metadata

version1.0
classificationTLP:CLEAR

Tags:FILE