MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4. 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

Threat unknown

Vendor detections: 11

Maldoc score: 63

Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash:	51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4
SHA3-384 hash:	897391ec2307db6291e158f53d327f2de47a48edcc3a4581a5eba9bdfb5678959851d1b9d4a2f648185ad21b53772a7f
SHA1 hash:	f71fb57960fa70dabccaaefd6923534eeb43661d
MD5 hash:	a0d9be2cf57f3829bdd9c0016f3ad3e4
humanhash:	golf-quebec-earth-robin
File name:	P10_Return_XLSM.xlsm
Download:	download sample
File size:	781'313 bytes
First seen:	2026-09-07 17:39:45 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:FLZHqjKOhTPQbjEFTOC03z5X/ESFfJ36SvjVxWX0Erd7edhcYx1BdZ:FLZcKqPujaTIDZESK8jEZ7mqYd
TLSH	T168F423A6CA5D6978C76D7038D1680CE36D0CBA656152FD9D3290F89C0B2B4F70B4FA6C
TrID	42.4% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13) 29.2% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12) 17.3% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7) 8.9% (.ZIP) Open Packaging Conventions container (17500/1/4) 2.0% (.ZIP) ZIP compressed archive (4000/1)
Magika	xlsx
Reporter	abuse_ch
Tags:	xlsm

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id

Maldoc score: 63

File Format is MS Excel 2007+

Container Format is OpenXML

Office document contains VBA Macros

Embedded Images

MalwareBazaar found the following images embedded in this file:

MD5 hash	dc.creator	# of relations
ce962e4c224659f5676af80f1ad42917	USER	13
96727a767e41d041e03c4eccf924479e	USER	13
350cc44640f3636fbd2e4781d8384a04	USER	13
d62d83ad6bb9e15044016d0053a3ce69	USER	13
6f49a8fc9937d54e1400d626a514d217	USER	13
79c7f9b4406f754356dd44a2d1b10493	USER	13
68371bea104f7d95d767cf32588fb6b8	USER	13

OLE dump

MalwareBazaar was able to identify 88 sections in this file using oledump:

Section ID	Section size	Section name
A1	1864 bytes	PROJECT
A2	638 bytes	PROJECTwm
A3	50098 bytes	VBA/CSHA256
A4	643045 bytes	VBA/Module1
A5	25478 bytes	VBA/Module2
A6	80369 bytes	VBA/Module3
A7	1150 bytes	VBA/Sheet1
A8	45664 bytes	VBA/Sheet10
A9	1151 bytes	VBA/Sheet11
A10	1151 bytes	VBA/Sheet12
A11	51808 bytes	VBA/Sheet13
A12	15495 bytes	VBA/Sheet14
A13	58898 bytes	VBA/Sheet15
A14	63680 bytes	VBA/Sheet16
A15	5128 bytes	VBA/Sheet17
A16	32727 bytes	VBA/Sheet18
A17	15087 bytes	VBA/Sheet19
A18	1150 bytes	VBA/Sheet2
A19	1151 bytes	VBA/Sheet20
A20	15490 bytes	VBA/Sheet21
A21	6279 bytes	VBA/Sheet22
A22	1150 bytes	VBA/Sheet3
A23	1150 bytes	VBA/Sheet4
A24	23161 bytes	VBA/Sheet5
A25	1150 bytes	VBA/Sheet6
A26	51335 bytes	VBA/Sheet7
A27	5770 bytes	VBA/Sheet8
A28	52745 bytes	VBA/Sheet9
A29	13829 bytes	VBA/ThisWorkbook
A30	31663 bytes	VBA/_VBA_PROJECT
A31	41021 bytes	VBA/__SRP_0
A32	2901 bytes	VBA/__SRP_1
A33	30532 bytes	VBA/__SRP_10
A34	157 bytes	VBA/__SRP_11
A35	528 bytes	VBA/__SRP_12
A36	231 bytes	VBA/__SRP_13
A37	600 bytes	VBA/__SRP_14
A38	341 bytes	VBA/__SRP_15
A39	528 bytes	VBA/__SRP_16
A40	231 bytes	VBA/__SRP_17
A41	2676 bytes	VBA/__SRP_18
A42	157 bytes	VBA/__SRP_19
A43	384 bytes	VBA/__SRP_1a
A44	157 bytes	VBA/__SRP_1b
A45	528 bytes	VBA/__SRP_1c
A46	231 bytes	VBA/__SRP_1d
A47	21260 bytes	VBA/__SRP_1e
A48	199 bytes	VBA/__SRP_1f
A49	2446 bytes	VBA/__SRP_2
A50	4572 bytes	VBA/__SRP_20
A51	476 bytes	VBA/__SRP_21
A52	228 bytes	VBA/__SRP_22
A53	66 bytes	VBA/__SRP_23
A54	228 bytes	VBA/__SRP_24
A55	66 bytes	VBA/__SRP_25
A56	228 bytes	VBA/__SRP_26
A57	66 bytes	VBA/__SRP_27
A58	228 bytes	VBA/__SRP_28
A59	66 bytes	VBA/__SRP_29
A60	228 bytes	VBA/__SRP_2a
A61	66 bytes	VBA/__SRP_2b
A62	228 bytes	VBA/__SRP_2c
A63	66 bytes	VBA/__SRP_2d
A64	228 bytes	VBA/__SRP_2e
A65	66 bytes	VBA/__SRP_2f
A66	501 bytes	VBA/__SRP_3
A67	23232 bytes	VBA/__SRP_30
A68	166 bytes	VBA/__SRP_31
A69	2064 bytes	VBA/__SRP_32
A70	174 bytes	VBA/__SRP_33
A71	228 bytes	VBA/__SRP_34
A72	66 bytes	VBA/__SRP_35
A73	7242 bytes	VBA/__SRP_36
A74	861 bytes	VBA/__SRP_37
A75	27084 bytes	VBA/__SRP_4
A76	1177 bytes	VBA/__SRP_5
A77	74972 bytes	VBA/__SRP_6
A78	10479 bytes	VBA/__SRP_7
A79	21016 bytes	VBA/__SRP_8
A80	157 bytes	VBA/__SRP_9
A81	528 bytes	VBA/__SRP_a
A82	231 bytes	VBA/__SRP_b
A83	384 bytes	VBA/__SRP_c
A84	157 bytes	VBA/__SRP_d
A85	30288 bytes	VBA/__SRP_e
A86	157 bytes	VBA/__SRP_f
A87	1193 bytes	VBA/dir

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Type	Keyword	Description
AutoExec	Workbook_Open	Runs when the Excel Workbook is opened
AutoExec	Workbook_Activate	Runs when the Excel Workbook is opened
AutoExec	Workbook_BeforeClose	Runs when the Excel Workbook is closed
AutoExec	Worksheet_Change	Runs when the file is opened and ActiveXobjects trigger events
Hex String	esT	650A7354
Hex String	3UD2	33554432
Hex String	3UD1	33554431
IOC	7z.exe	Executable file name
IOC	http://www.frez.co.uk	URL
String		code and P-code are different, this may havebeen used to hide malicious code
Suspicious	CopyHere	May copy a file
Suspicious	Kill	May delete a file
Suspicious	CreateTextFile	May create a text file
Suspicious	Shell	May run an executable file or a systemcommand
Suspicious	vbNormal	May run an executable file or a systemcommand
Suspicious	vbHide	May run an executable file or a systemcommand
Suspicious	Wscript.Shell	May run an executable file or a systemcommand
Suspicious	Create	May execute file or a system command throughWMI
Suspicious	FileCopy	May copy a file
Suspicious	ActiveWorkbook.SaveAs	May save the current workbook
Suspicious	CreateObject	May create an OLE object
Suspicious	GetObject	May get an OLE object with a running instance
Suspicious	Shell.Application	May run an application (if combined withCreateObject)
Suspicious	Windows	May enumerate application windows (ifcombined with Shell.Application object)
Suspicious	Lib	May run code from a DLL
Suspicious	Chr	May attempt to obfuscate specific strings(use option --deobf to deobfuscate)
Suspicious	Xor	May attempt to obfuscate specific strings(use option --deobf to deobfuscate)
Suspicious	RegRead	May read registry keys
Suspicious	System	May run an executable file or a systemcommand on a Mac (if combined withlibc.dylib)
Suspicious	Hex Strings	Hex-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all)
Suspicious	Base64 Strings	Base64-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all)
Suspicious	binary	May read or write a binary file (if combinedwith Open)
Suspicious	Output	May write to a file (if combined with Open)
Suspicious	put	May write to a file (if combined with Open)
Suspicious	Write	May write to a file (if combined with Open)
Suspicious	Open	May open a file
Suspicious	MkDir	May create a directory

Intelligence

File Origin

# of uploads :

# of downloads :

129

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

MSO

Details

Link:

https://research.acce.ciphertechsolutions.com/results/defcf672-38e9-494f-9e51-c2b380dd153f/

Malware family:

n/a

ID:

File name:

xlsm

Verdict:

No threats detected

Analysis date:

2026-09-07 18:12:31 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/87635fa9-2aa8-4885-9fa2-ec4d9f2e9471

Note:

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

Verdict:

Malicious

File type:

application/octet-stream

Has a screenshot:

False

Contains macros:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/84370/

Detection(s):

TwinWave.EvilDoc.CROKissFromARose.M4.20201215.UNOFFICIAL

Sanesecurity.Badmacro.XlsM.objshell.UNOFFICIAL

Sanesecurity.Badmacro.Doc.Specell.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

DNS request

Creating a window

Сreating synchronization primitives

Result

Verdict:

Malicious

File Type:

Excel File with Macro

Link:

https://app.docguard.net/51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4/results/dashboard

Behaviour

BlacklistAPI detected

Document image

Image:

Download PNG

Verdict:

Malicious

Labled as:

Msoffice/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4

Label:

Benign

Suspicious Score:

/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=8d924b3a-a442-4a38-a49b-5cde61a166f4

Verdict:

Unknown

File Type:

xlsm

Link:

https://opentip.kaspersky.com/51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4/results?tab=lookup

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl.evad

Score:

72 / 100

Link:

https://www.joesandbox.com/analysis/1969492

Signature

Detected evasive VBA macro (filename check)

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functions possibly related to ADO stream file operations

Document contains an embedded VBA with hexadecimal encoded strings

Document contains an embedded VBA with many string operations indicating source code obfuscation

Document contains VBA stomped code (only p-code) potentially bypassing AV detection

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4

Verdict:

Malware

YARA:

3 match(es)

Tags:

ATT&CK T1564.007 Blacklist VBA COM Behavior Trace DeObfuscated Excel.sheet Malicious Malicious Document Obfuscated Office Document Scripting.FileSystemObject scripting.filesystemobject Shell.Application SOS: 0.29 SOS: 0.30 SOS: 0.31 SOS: 0.32 SOS: 0.33 SOS: 0.34 SOS: 0.35 SOS: 0.37 SOS: 0.38 SOS: 0.39 SOS: 0.40 SOS: 0.41 SOS: 0.44 SOS: 0.48 SOS: 0.49 System.Security.Cryptography.HMACSHA1 System.Text.UTF8Encoding T1027 T1059.005 VBA Stomping VBScript Wscript.Shell

Link:

https://app.malva.re/file/a0d9be2cf57f3829bdd9c0016f3ad3e4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kgzrpwnlrwspw6gm4ziizv6ygsf2zleh3mxa5qd3bmf4ta2noo2a._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/260907-v84a8sdn61/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

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/51b317d9ab8da4fb78cce6508cd7d8348bacac87db2e0ec07b0b0bc9834d73b4

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_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:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

Rule name:	vbaproject_bin Create hunting rule
Author:	CD_R0M_
Description:	{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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/84370/

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