MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d61b5d71e4849b22a8a3a3042c30ae50bccd5458e743fb3d12ee063b6a64e66. 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: 13

Intelligence 13 IOCs YARA 7 File information Comments 1

SHA256 hash:	4d61b5d71e4849b22a8a3a3042c30ae50bccd5458e743fb3d12ee063b6a64e66
SHA3-384 hash:	c9ea02f85417abb7ef9520258eeb31c8fd8d065293e75baee251a56d2978059b9738bd17399d6cfb198bba109b1c4cc0
SHA1 hash:	7ba0d8c1f683f63da282ad28f3da92ad756ef1c9
MD5 hash:	e5767b09860131a8c1e7d67d8b114ba4
humanhash:	twenty-shade-carolina-fillet
File name:	e5767b09860131a8c1e7d67d8b114ba4
Download:	download sample
Signature	Formbook Create hunting rule
File size:	274'432 bytes
First seen:	2022-07-28 06:04:54 UTC
Last seen:	2022-07-28 06:59:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	3072:HUTvvqfBuBQqtVkbdA/Eo0COIrjA68ssdd6Q6lvloyXVPPEJ4RfoQdF7DS:0+BMZ7kbi/vrtVsvXgvWcnvLb7DS
Threatray	14'417 similar samples on MalwareBazaar
TLSH	T1CE44CF66F7D4D19AD522383B5AF30064D672FC185DA4F307944CB1D6AEF3788A84229F
TrID	72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

247

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/294820/

Detection(s):

SecuriteInfo.com.Trojan.Siggen18.27597.7149.2756.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Unauthorized injection to a recently created process

Creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

formbook obfuscated packed wacatac

Link:

https://www.filescan.io/uploads/62e2274d7dd0cb902f091ca3/reports/2a447394-47e8-4649-9018-94b279127545/overview

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/20949517-3ad1-4514-b677-c95823897cff

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1042273

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/4d61b5d71e4849b22a8a3a3042c30ae50bccd5458e743fb3d12ee063b6a64e66/

Threat name:

ByteCode-MSIL.Spyware.Noon

Status:

Malicious

First seen:

2022-07-25 22:25:50 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 26 (88.46%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jvq3lvy6jbe3ekukhiyefqyk4uf4zvkfrz2d7m6rf3qghnvgjzta._file

Verdict:

malicious

Label(s):

formbook

Formbook

4f1763ec9c70f7a1c4eb624dfb41e888d95fe0ece92d694977f7a3bd8b24bd1a

Formbook

5e55e66121f1174ceac55c495396208f8e48a1a2509e8488863c6c2a285d4d82

Formbook

735e5aa86b830ba402d6451d253ae7ee4c892ad4244335626dbaf814c02ea500

Formbook

8370746ea957582a6e53d4ffb81c864b484d73cbea2904b040375ee851bcb06d

Formbook

b12d8826259b178e759625c17f5363f435e0ef71508f08e4be0c2cb17ed7879e

Formbook

cb9934d2f592f67086f8c33eaf75eab1d048b9985b6acf297aca4c98d07ddda1

Formbook

cee7405ff87829bb8a24223967a1e8f6a26d3960d5b63d1145d77bffaad1bc5d

Formbook

ed015ed57a2c858ef5cb3316d1d6031631e2b5214d28a4dc37c9032ac5e5a126

Formbook

+ 14'407 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:eni9 rat spyware stealer trojan

Link:

https://tria.ge/reports/220728-gs66asdchq/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Formbook payload

Formbook

Unpacked files

SH256 hash:

6b0a05ab12534dd75e3a2d775d15e11927f7885d3dbba52938cf89dd173e73ed

MD5 hash:

bd12f987335f8be45d8428ca5aff3f0d

SHA1 hash:

1cb3ab53c6387a7564771a2083c3bcf9afe9c049

Detections:

win_formbook_g0

win_formbook_auto

FormBook

Link:

https://www.unpac.me/results/4661b679-d827-4e9c-904d-d78ace419407/

Parent samples :
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SH256 hash:

4d61b5d71e4849b22a8a3a3042c30ae50bccd5458e743fb3d12ee063b6a64e66

MD5 hash:

e5767b09860131a8c1e7d67d8b114ba4

SHA1 hash:

7ba0d8c1f683f63da282ad28f3da92ad756ef1c9

Link:

https://www.unpac.me/results/4661b679-d827-4e9c-904d-d78ace419407/

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4d61b5d71e48/report/overview.html

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:	INDICATOR_EXE_Packed_SmartAssembly Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with SmartAssembly

Rule name:	malware_Formbook_strings Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Formbook in memory
Reference:	internal research

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	win_formbook_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

exe 4d61b5d71e4849b22a8a3a3042c30ae50bccd5458e743fb3d12ee063b6a64e66

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/294820/

URLhaus

https://urlhaus.abuse.ch/url/2262090/

Comments

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zbet commented on 2022-07-28 06:05:00 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/thessv3.82.1.exe