MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb4a58906435de0d537fcaf7aa5e8258697258b81bf59eb00ed77f08418b0176. 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: 9

Maldoc score: 65

Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash:	fb4a58906435de0d537fcaf7aa5e8258697258b81bf59eb00ed77f08418b0176
SHA3-384 hash:	22a3c58bece7edff535ef6a3d17135cd4937fadf691e653fa94d65ccbc14e9ee2775d006cbdc4635d226f2ce758527c8
SHA1 hash:	79375a12fd8752f666f46c648e6103b99ab936ee
MD5 hash:	b37271aa7483aa0134902fe624a44e05
humanhash:	xray-enemy-eight-beer
File name:	EM AFRIC.xlsm
Download:	download sample
File size:	556'815 bytes
First seen:	2026-09-20 06:35:34 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:WQrA68UsWmMEgDyilxclFeAmHT4Gf0dhPgcZxU4nY:HB6R7eAqT4Gf0nPgc7U4Y
TLSH	T13CC4221DA27AE868C33AD038D22C11D5E08E68A19055E70E3750FE4C52B72DB5BCEF6D
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: 65

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
68371bea104f7d95d767cf32588fb6b8	Ruth	15
350cc44640f3636fbd2e4781d8384a04	Ruth	15
96727a767e41d041e03c4eccf924479e	Ruth	15
ce962e4c224659f5676af80f1ad42917	Ruth	15
6f49a8fc9937d54e1400d626a514d217	Ruth	15
79c7f9b4406f754356dd44a2d1b10493	Ruth	15
d62d83ad6bb9e15044016d0053a3ce69	Ruth	15

OLE dump

MalwareBazaar was able to identify 89 sections in this file using oledump:

Section ID	Section size	Section name
A1	1936 bytes	PROJECT
A2	662 bytes	PROJECTwm
A3	43735 bytes	VBA/CSHA256
A4	342516 bytes	VBA/Module1
A5	22226 bytes	VBA/Module2
A6	116664 bytes	VBA/Module3
A7	1150 bytes	VBA/Sheet1
A8	17428 bytes	VBA/Sheet10
A9	18825 bytes	VBA/Sheet11
A10	11057 bytes	VBA/Sheet12
A11	21556 bytes	VBA/Sheet13
A12	20216 bytes	VBA/Sheet14
A13	15041 bytes	VBA/Sheet15
A14	8731 bytes	VBA/Sheet16
A15	1151 bytes	VBA/Sheet17
A16	13515 bytes	VBA/Sheet18
A17	1151 bytes	VBA/Sheet19
A18	1150 bytes	VBA/Sheet2
A19	17943 bytes	VBA/Sheet20
A20	22237 bytes	VBA/Sheet21
A21	1151 bytes	VBA/Sheet22
A22	1150 bytes	VBA/Sheet3
A23	7489 bytes	VBA/Sheet36
A24	1150 bytes	VBA/Sheet4
A25	1150 bytes	VBA/Sheet5
A26	48705 bytes	VBA/Sheet6
A27	2315 bytes	VBA/Sheet7
A28	4409 bytes	VBA/Sheet8
A29	19508 bytes	VBA/Sheet9
A30	10012 bytes	VBA/ThisWorkbook
A31	24993 bytes	VBA/_VBA_PROJECT
A32	16576 bytes	VBA/__SRP_0
A33	2484 bytes	VBA/__SRP_1
A34	548 bytes	VBA/__SRP_10
A35	231 bytes	VBA/__SRP_11
A36	548 bytes	VBA/__SRP_12
A37	231 bytes	VBA/__SRP_13
A38	548 bytes	VBA/__SRP_14
A39	231 bytes	VBA/__SRP_15
A40	692 bytes	VBA/__SRP_16
A41	305 bytes	VBA/__SRP_17
A42	548 bytes	VBA/__SRP_18
A43	231 bytes	VBA/__SRP_19
A44	404 bytes	VBA/__SRP_1a
A45	157 bytes	VBA/__SRP_1b
A46	14300 bytes	VBA/__SRP_1c
A47	157 bytes	VBA/__SRP_1d
A48	476 bytes	VBA/__SRP_1e
A49	194 bytes	VBA/__SRP_1f
A50	13674 bytes	VBA/__SRP_2
A51	916 bytes	VBA/__SRP_20
A52	157 bytes	VBA/__SRP_21
A53	548 bytes	VBA/__SRP_22
A54	231 bytes	VBA/__SRP_23
A55	2912 bytes	VBA/__SRP_24
A56	476 bytes	VBA/__SRP_25
A57	248 bytes	VBA/__SRP_26
A58	66 bytes	VBA/__SRP_27
A59	248 bytes	VBA/__SRP_28
A60	66 bytes	VBA/__SRP_29
A61	248 bytes	VBA/__SRP_2a
A62	66 bytes	VBA/__SRP_2b
A63	248 bytes	VBA/__SRP_2c
A64	66 bytes	VBA/__SRP_2d
A65	248 bytes	VBA/__SRP_2e
A66	66 bytes	VBA/__SRP_2f
A67	8312 bytes	VBA/__SRP_3
A68	248 bytes	VBA/__SRP_30
A69	66 bytes	VBA/__SRP_31
A70	248 bytes	VBA/__SRP_32
A71	66 bytes	VBA/__SRP_33
A72	476 bytes	VBA/__SRP_34
A73	194 bytes	VBA/__SRP_35
A74	248 bytes	VBA/__SRP_36
A75	66 bytes	VBA/__SRP_37
A76	152 bytes	VBA/__SRP_4
A77	547 bytes	VBA/__SRP_5
A78	1438 bytes	VBA/__SRP_6
A79	1223 bytes	VBA/__SRP_7
A80	548 bytes	VBA/__SRP_8
A81	231 bytes	VBA/__SRP_9
A82	620 bytes	VBA/__SRP_a
A83	268 bytes	VBA/__SRP_b
A84	548 bytes	VBA/__SRP_c
A85	231 bytes	VBA/__SRP_d
A86	548 bytes	VBA/__SRP_e
A87	231 bytes	VBA/__SRP_f
A88	1213 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	650A7354code and P-code are different, this may havebeen used to hide malicious code
Hex String	3UD2	33554432
Hex String	3UD1	33554431
IOC	notepad.exe	Executable file name
IOC	7z.exe	Executable file name
IOC	http://www.frez.co.uk	URL
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	vbNormalFocus	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	Open	May open 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	FileCopy	May copy a file
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	MkDir	May create a directory

Intelligence

File Origin

# of uploads :

# of downloads :

144

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/3498654e-279b-489e-8afa-4442e5bb9fdd/

Malware family:

n/a

ID:

File name:

xlsm

Verdict:

No threats detected

Analysis date:

2026-09-20 07:03:29 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/4cc06c41-1c33-4a0b-801d-f1cb7f884b30

Note:

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

Verdict:

Legit

File type:

text/xml

Has a screenshot:

False

Contains macros:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/87475/

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

Сreating synchronization primitives

Creating a window

Launching a service

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm base64 evasive macros macros-on-close macros-on-event macros-on-open obfuscated

Link:

https://www.filescan.io/uploads/6aaf7ee28bde4a724e41fbcd/reports/b285ba60-a08c-4274-8a95-01c05e26de30/overview

Verdict:

Malicious

Labled as:

Msoffice/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/fb4a58906435de0d537fcaf7aa5e8258697258b81bf59eb00ed77f08418b0176

Label:

Benign

Suspicious Score:

/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=4ccb6954-a37b-4e9c-a786-ee7aae8130c6

Verdict:

Unknown

File Type:

xlsm

Link:

https://opentip.kaspersky.com/fb4a58906435de0d537fcaf7aa5e8258697258b81bf59eb00ed77f08418b0176/results?tab=lookup

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl.evad.phis

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1975275

Signature

AI detected malicious page (phishing or scam)

Detected evasive VBA macro (filename check)

Document contains a stream with embedded javascript code

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/fb4a58906435de0d537fcaf7aa5e8258697258b81bf59eb00ed77f08418b0176

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: 0.31 SOS: 0.32 SOS: 0.33 SOS: 0.34 SOS: 0.35 SOS: 0.40 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/b37271aa7483aa0134902fe624a44e05

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fb4a58906435de0d537fcaf7aa5e8258697258b81bf59eb00ed77f08418b0176/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7nffredegxpa2u37zl32uxuclbuxewfydp2z5mao257qqqmlaf3a._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/260920-hc15sadl4s/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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:	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/87475/

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