MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71fad85530262f9ced3f2260527c71874393744db13a87510f8cda7691f2ff0e. 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

Formbook

Vendor detections: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	71fad85530262f9ced3f2260527c71874393744db13a87510f8cda7691f2ff0e
SHA3-384 hash:	8688b499ebdb6bc382166ac08fee524d0a3333741335eed3da03e7aba9a3476b6c427c4b3c7f39cd14ca281da62cc748
SHA1 hash:	edc945e768c4b2d0ae88bdfa6d0cfc0786921166
MD5 hash:	960339212509a67b8a3e3bc24f517430
humanhash:	oklahoma-fix-purple-rugby
File name:	202404153836038.iso
Download:	download sample
Signature	Formbook Create hunting rule
File size:	874'496 bytes
First seen:	2024-04-16 07:12:10 UTC
Last seen:	Never
File type:	iso
MIME type:	application/x-iso9660-image
ssdeep	12288:2OyBItc6c1rvLRaSmLwsHKoDBmP0k8PnPepbWPPw6urWjiYP2iYZ367TCIhhDu:8W2ztvibRtG0kIPepbMwprsnCyh
TLSH	T19C051261E988C01FCE525AB284D5F739F6EBAF432C228D43335D37AF5B3E1499A05602
TrID	88.5% (.NULL) null bytes (2048000/1) 11.0% (.HTP) HomeLab/BraiLab Tape image (256000/1) 0.2% (.ATN) Photoshop Action (5007/6/1) 0.1% (.ISO) ISO 9660 CD image (2545/36/1) 0.0% (.BIN/MACBIN) MacBinary 1 (1033/5)
Reporter	cocaman
Tags:	FormBook iso

cocaman

Malicious email (T1566.001)
From: "Susanne Schreur <biserka.jovanovic@globos.rs>" (likely spoofed)
Received: "from server.maderasriosegura.com (server.maderasriosegura.com [212.227.37.135]) "
Date: "Mon, 15 Apr 2024 16:40:01 +0300"
Subject: "=?UTF-8?Q?Zahlungsbest=C3=A4tigung?="
Attachment: "202404153836038.iso"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	202404153836038.exe
File size:	811'908 bytes
SHA256 hash:	6fde4f26f7c8bdaabed77424faff317ffbe4ca5fd182db278a210065aa66a483
MD5 hash:	fa5f8e3a3d1a7a4c4bc857aa5016b3a8
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

context-iso installer lolbin overlay packed shell32

Link:

https://www.filescan.io/uploads/661e24fec5dabc22b2005c81/reports/3101bec3-35cd-46af-948e-d3486171e287/overview

Verdict:

Suspicious

Labled as:

Injector.YIPC

Link:

https://www.hybrid-analysis.com/sample/71fad85530262f9ced3f2260527c71874393744db13a87510f8cda7691f2ff0e

Result

Verdict:

MALICIOUS

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/71fad85530262f9ced3f2260527c71874393744db13a87510f8cda7691f2ff0e/

Threat name:

Win32.Trojan.GuLoader

Status:

Malicious

First seen:

2024-04-15 14:08:29 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

16 of 37 (43.24%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=oh5nqvjqeyxzz3j7ejqfe7drq5bzg5cnwe5iouiprtnhneps74ha._file

Result

Malware family:

n/a

Score:

7/10

Tags:

n/a

Link:

https://tria.ge/reports/240416-h68rqaea9w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Loads dropped DLL

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

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/71fad85530262f9ced3f2260527c71874393744db13a87510f8cda7691f2ff0e

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.