MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 042359241a3a3f4d635527751c2268cc80121586dc68c9a6732edb20d25ce760. 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: 4

Intelligence 4 IOCs YARA 3 File information Comments

SHA256 hash:	042359241a3a3f4d635527751c2268cc80121586dc68c9a6732edb20d25ce760
SHA3-384 hash:	5bf930d3b60bc19c5d3606c1676b24355277fe35e52bbfbe51eeef0b5432a9a4bf371e36164f80d8ae6e5035d7308c2d
SHA1 hash:	2bd349c684a2d54602424d91f968467fd029616f
MD5 hash:	ab7f3692e88e298ccb4a9d4355e1f04b
humanhash:	arizona-zebra-ten-pip
File name:	Pago.xls
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	72'704 bytes
First seen:	2020-05-08 16:18:02 UTC
Last seen:	2020-05-08 17:04:24 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	1536:tCxEtjPOtioVjDGUU1qfDlaGGx+cL2QnA/xMt2bk3ysqyPUcAf/s7:tCxEtjPOtioVjDGUU1qfDlaGGx+cL2QP
Threatray	866 similar samples on MalwareBazaar
TLSH	09630691B685D8C6D95807354CEBC6E63B27FC106E6687CB3284F32F2E7668089C3657
Reporter	abuse_ch
Tags:	GuLoader xls

abuse_ch

Malspam distributing GuLoader:

HELO: p3plsmtpa09-09.prod.phx3.secureserver.net
Sending IP: 173.201.193.238
From: Cuentas <gerenciadivisioncuartos@hoteldelprado.com.mx>
Subject: Pago
Attachment: Pago.xls

GuLoader dropping Loki

GuLoader payload URL:
https://www.nilemixitupd.biz.pl/BRONZE/WTYHHGHVCDKNJKJ.exe

Loki payload URL:
http://protestlabsmovings.es/hukol/build_XzflZxgH12.bin

Loki C2:
http://157.52.211.247/bribate/Panel/five/fre.php

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.W97M.Downloader.4000.21893.UNOFFICIAL

Gathering data

Threat name:

Document-Word.Trojan.Sload

Status:

Malicious

First seen:

2020-05-08 16:35:20 UTC

File Type:

Document

Extracted files:

AV detection:

16 of 31 (51.61%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=aqrvsja2hi7u2y2ve52ryitizsabefmg3rumtjttf3nsbus445qa._file

Verdict:

malicious

Label(s):

guloader

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://tria.ge/reports/201109-v1l9ecrqnn/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Office loads VBA resources, possible macro or embedded object present

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

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:	SharedStrings Create hunting rule
Author:	Katie Kleemola
Description:	Internal names found in LURK0/CCTV0 samples

Rule name:	win_alina_pos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator

Rule name:	win_gootkit_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator