MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec. 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: 16

Intelligence 16 IOCs YARA 27 File information Comments

SHA256 hash:	f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec
SHA3-384 hash:	637584b80056d788a44dd9498d20e1e83fb59b9043192177c97b5481fbd63dfb6f9605e551e44840f8ba42e56457f04c
SHA1 hash:	2953be4566926c3af74e64584c443b7276d0083e
MD5 hash:	46d79a5d39d890caad7c1e786f393beb
humanhash:	johnny-delaware-uncle-twelve
File name:	f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'083'904 bytes
First seen:	2025-09-05 12:23:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	91d07a5e22681e70764519ae943a5883 (93 x Formbook, 14 x RemcosRAT, 11 x AgentTesla)
ssdeep	24576:4tb20pkaCqT5TBWgNQ7aO+pwcs+tXBF66A:BVg5tQ7aO7Yu5
Threatray	3'911 similar samples on MalwareBazaar
TLSH	T13235CF1363DD8361C3725273BA65B701AEBF782506B5F86B2FD8093DE820162525EB73
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec

Verdict:

No threats detected

Analysis date:

2025-09-05 13:22:45 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/492dd2bf-62d9-44a0-a056-a4a5aabe46bd

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/25262/

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68bad68deb163e0ec1847695

Tags:

phishing autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Launching cmd.exe command interpreter

Sending a custom TCP request

Setting browser functions hooks

Unauthorized injection to a system process

Unauthorized injection to a browser process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script control fingerprint fingerprint hacktool keylogger lolbin microsoft_visual_cc obfuscated packed packed packer_detected threat

Link:

https://www.filescan.io/uploads/68bad824fe1969faa8a6c125/reports/bd59ae99-8cf9-4fd3-b61f-c398545ff207/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-08-12T00:10:00Z UTC

Last seen:

2025-08-12T00:10:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/739d40ed-089a-46fa-80d5-4cf9a0c11392

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec

Verdict:

Malware

YARA:

7 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86

Link:

https://app.malva.re/file/46d79a5d39d890caad7c1e786f393beb

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-08-12 03:03:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 36 (69.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6nyfysywrk45uu6nkr6qrc24lfarlzpfixjwstwno3d6ily5utwa._file

Verdict:

malicious

Label(s):

formbook

autoit

Formbook

3f5ee99a8faff731ddd6012cf23500ae4c14582d7a68cf1bb1655e4571502e38

Formbook

617bf6800d42409a74ae0539d3e3ffc412e6c4bb137c232159c3ca946bc0fcdd

Formbook

87e77805c61d64114809ab00f0d224e261109e968300ae193c0a9024caa97807

Formbook

94976e161177276c6c1f03697f87bbbda781fedb937342a311728f51a3bce501

Formbook

9b250f96c8e383893d2c2f0ae940312d86e6aec8d0e27aadd9087dce67d17c46

Formbook

a6383c0e6d1660f45356eb6b6cfcb90d7558682c94994b7f23c02764a7d4fc08

Formbook

ea5ad478df7db224610821def4d39b12ba7ef2f7a95fe88c9bc30a135bca5739

Formbook

f6d72553d533584daf51444fdf44e22bf381c514ad84dbab40aa331ea6e78031

Formbook

+ 3'901 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:d26z discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250905-pp3byahn8x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/1efd23c9-78f7-4203-bb4e-9a35c7a41a32

Unpacked files

SH256 hash:

f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec

MD5 hash:

46d79a5d39d890caad7c1e786f393beb

SHA1 hash:

2953be4566926c3af74e64584c443b7276d0083e

Link:

https://www.unpac.me/results/5a43a6b4-b6bc-4159-88dc-124cf98c86d1/

SH256 hash:

94e62c0049fcc25c567fc6c0a46ca9bcdb8ad215f9487fedb9f780b216108b59

MD5 hash:

1fd53afdf3001156d7e25fc9d376472e

SHA1 hash:

28a6a8df92888f4440bc1d118b8d14768d5daec3

Detections:

win_formbook_w0

win_formbook_g0

win_formbook_auto

FormBook

Windows_Trojan_Formbook

Formbook

Link:

https://www.unpac.me/results/5a43a6b4-b6bc-4159-88dc-124cf98c86d1/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f3705c4b168ab9da53cd547d088b5c594115e5e545d3694ecd76c7e42f1da4ec

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__GlobalFlags Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

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

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach

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

Rule name:	win_formbook_w0 Create hunting rule
Author:	@malgamy12

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

File information

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

Cape

https://www.capesandbox.com/analysis/25262/

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