MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699. 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: 18

Intelligence 18 IOCs YARA 21 File information Comments

SHA256 hash:	df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699
SHA3-384 hash:	70c3a3e5562e5a4df17b1203a387bec84ff56534a5f3e769680d0c1a7e2190f906fa0baa3660b4f5471c971a5c1fe792
SHA1 hash:	6e3175aa1e2d2d024a5fb36a8aa7928528f9045f
MD5 hash:	6df183b5b92f76584051a749da8b395f
humanhash:	jig-undress-london-steak
File name:	df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699
Download:	download sample
Signature	Formbook Create hunting rule
File size:	762'880 bytes
First seen:	2025-10-10 06:27:42 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:BKqOZQ81NRQX/Zb3fYxyInBZTr6nut7wDRyDckrSfAKt+yZ1:kRQANRQX/ZbgDB9LsRYrHOZ
Threatray	1'960 similar samples on MalwareBazaar
TLSH	T120F40268271ECD12E1555FB41972D3F40BA56FEDE812E303CFD93E9FB432A906A44286
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
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:

df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699

Verdict:

No threats detected

Analysis date:

2025-10-10 06:47:32 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/bf05f6d2-0862-4292-81cf-66cc41aac96a

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/32023/

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68e8a7d08b7b147cc4b6882f

Tags:

shell virus msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Adding an exclusion to Microsoft Defender

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

agenttesla krypt obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/68e8aa2571883144ef2fe430/reports/b1fff3c8-ab9d-4b99-8d9e-fe15417abe28/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699

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.

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-09-12T14:24:00Z UTC

Last seen:

2025-10-02T02:51:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699/results?tab=lookup

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b1e3d37c-481f-4baa-bc80-c6119b98ba91

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.28 Win 32 Exe x86

Link:

https://app.malva.re/file/6df183b5b92f76584051a749da8b395f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699/

Threat name:

ByteCode-MSIL.Backdoor.FormBook

Status:

Malicious

First seen:

2025-09-12 18:55:29 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

28 of 37 (75.68%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=342htmtj7ul4t47bgnmlhokf2alty34vx7kalq65zhn6yv37i2mq._file

Verdict:

malicious

Label(s):

unc_loader_078

unc_loader_037

Formbook

203e8e937149c92740b6fc6293ee458aa431ff4c4ca81539e7b91adff659c7a5

Formbook

29688877a36107747d055f72f6760d360a6f3715ef32d90f46815838b56e18dc

Formbook

858533276fe2058efd23b93879c692facaf413579f528c248b3b1be66b4cca97

Formbook

bb8b6590ca5c65bf55bb227ac601636414ec7c1fa1f9a603840f57e45f8f8994

Formbook

cab82749acbaf6bab5ad3c2bb077bac408ae9d1e798e54b8599ca2ce12c88311

Formbook

d7c64324b4f2b0aeccd0c12346788a52852bb31199174ec6f699a4f0dc4fee8a

Formbook

e087ef304badb09dbb8b38a88337c5e2d4a0d3fc174d75817e622fdd8f5a6722

Formbook

ffc8f79b6654ee83f5afac0fa12a5eeb666dc73b11d05c7fba51e7acab5928de

Formbook

+ 1'950 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/251010-hesw7agn4x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Command and Scripting Interpreter: PowerShell

Formbook payload

Formbook

Formbook family

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/d8d35fae-3b18-4110-a110-40576d0a68c3

Unpacked files

SH256 hash:

df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699

MD5 hash:

6df183b5b92f76584051a749da8b395f

SHA1 hash:

6e3175aa1e2d2d024a5fb36a8aa7928528f9045f

Link:

https://www.unpac.me/results/aa017cdd-2ed2-47ee-abf9-99ded515fe52/

SH256 hash:

01b93ae0af3950d8362c93ecf5fd323fd9c04c3dd3c89e398a7ff638c4082cb9

MD5 hash:

2ebe5e7a61443b529f2f712ef216e262

SHA1 hash:

1a24c17433710d0f69c66a39730ebc07058def57

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/aa017cdd-2ed2-47ee-abf9-99ded515fe52/

SH256 hash:

12dda0cd3b378fbced3071df357733426bb09e47c31fcc3ba6273650f67895dc

MD5 hash:

773c55854eb467033abb78bc2b667f80

SHA1 hash:

54bfd694185cd257abb4ee6b477dba12b971b9b9

Link:

https://www.unpac.me/results/aa017cdd-2ed2-47ee-abf9-99ded515fe52/

SH256 hash:

ca1afbbdb25b54e0d4c07f9b84b0413f52a43b6cde98879ad8ab8f4af072cc61

MD5 hash:

08b7c02de115f6bd6949b9cf47164d4b

SHA1 hash:

9307c830cedc68bfba8f518954c07c352cc063bc

Link:

https://www.unpac.me/results/aa017cdd-2ed2-47ee-abf9-99ded515fe52/

SH256 hash:

c7f4a02dd8540aa58fd7d63f6853ee70f3e831933ff4d5b9d99b4c353fb75b58

MD5 hash:

28a0a198d1b0fa5b6a13a21391f449c0

SHA1 hash:

995ae682beeb2d06231524456faa237b1a83fd7d

Link:

https://www.unpac.me/results/aa017cdd-2ed2-47ee-abf9-99ded515fe52/

SH256 hash:

a9a052597a34286cf778a5ad06f7f70f61712d1987f53a987c223d43b12073a9

MD5 hash:

e97357eb02eb9b699aad5c9c5990ef31

SHA1 hash:

5bc3719dbecef38e6087c7f70e0fd146343304da

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/aa017cdd-2ed2-47ee-abf9-99ded515fe52/

Parent samples :

ada71baf53aaee00fdd7839175e9f688dea0365cd09a500c68187d3565c2c1b0
eafab9555af357e0f3748f5545f4abb7a7017e06fc023f32157b446ba7e9a828
100dee1435e5c1b8e15c6b354723199d6bb76e7085214987908abfdd8e9a7835
bf60b093a5077cd95856432f33f37e1aa2d6b672eb3a8445d3b08788217f0fa0
df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699
b1a2a5c2a8f9406c6a85e00e4c2790d60f1b4a5d2bc956f5c32203b392634950
8d55e8bec13637a61dc5bd6fffc8fa267d266aabef0f039cd668a72f5ae2b51a
3f50e8ea3fdd5c1a72a3c7de22984a59f6f6e73d7d395824b2715d10a22016ff

Malware family:

FormBook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/df3479b269fd/report/overview.html

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/df3479b269fd17c9f3e13358b3b945d0173c6f95bfd405c3ddc9dbec577f4699

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:	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__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:	kevoreilly
Description:	Formbook Payload

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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

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)

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/32023/

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