MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 427235e614298da9464b3308fdc81c1734b82f9f09bf6008881748e843d09ac8. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

GuLoader

Vendor detections: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	427235e614298da9464b3308fdc81c1734b82f9f09bf6008881748e843d09ac8
SHA3-384 hash:	d0ede7b2e9ce423a368ff8e22c17c4a12f59c633ce209b3c625c55ea2c78e222755b081203c10c5c39cafb0add3ce827
SHA1 hash:	d0876a690de87e6116e069fbd1cbafe2e8c1c83d
MD5 hash:	8df558725d572bcb84d05a9499b0e5b3
humanhash:	wyoming-arizona-twelve-zebra
File name:	Document No.UESSCM002 rev 1.img
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	190'464 bytes
First seen:	2022-09-26 15:38:21 UTC
Last seen:	Never
File type:	img
MIME type:	application/x-iso9660-image
ssdeep	3072:YAe+3aJpgWXTButSbqmjynnOCzjqfE8oEGsw4IEt0FE:jB+pgUlqm02fnwKd
TLSH	T1D014F11836E1D127D6210F701D7A9A775E9BB2052871835F331CAE4A7F332829E0E3B2
TrID	99.4% (.NULL) null bytes (2048000/1) 0.2% (.ISO) ISO 9660 CD image (5100/59/2) 0.2% (.ATN) Photoshop Action (5007/6/1) 0.0% (.BIN/MACBIN) MacBinary 1 (1033/5) 0.0% (.ABR) Adobe PhotoShop Brush (1002/3)
Reporter	cocaman
Tags:	GuLoader img

cocaman

Malicious email (T1566.001)
From: "Yousuf Muhsin Zahran Al Nabhani - UES <YNabhanl@gki.com>" (likely spoofed)
Received: "from [173.234.105.144] (unknown [173.234.105.144]) "
Date: "15 Sep 2022 15:53:09 -0700"
Subject: "Egypt Buyer: Order Enquiry_UESSCM002"
Attachment: "Document No.UESSCM002 rev 1.img"

Intelligence

File Origin

# of uploads :

# of downloads :

184

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Iso_fs1729.UNOFFICIAL

SecuriteInfo.com.NSIS.TrojanX-gen.20318.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

guloader overlay packed shell32.dll

Link:

https://www.filescan.io/uploads/6331c7969cd210adb55c9ccd/reports/bf9579a3-2a9b-41c5-8631-ba28291b5d51/overview

Result

Verdict:

MALICIOUS

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/427235e614298da9464b3308fdc81c1734b82f9f09bf6008881748e843d09ac8/

Threat name:

Win32.Trojan.GuLoader

Status:

Malicious

First seen:

2022-09-15 13:57:04 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

18 of 26 (69.23%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ijzdlzqufgg2srslgmep3sa4c42lql47bg7waceic5eoqq6qtlea._file

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/427235e614298da9464b3308fdc81c1734b82f9f09bf6008881748e843d09ac8

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:	SUSP_EXE_in_ISO Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects ISO files that contains an Exe file. Does not need to be malicious
Reference:	Internal Research