MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497. 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: 10

Maldoc score: 4

Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash:	a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497
SHA3-384 hash:	dfdf732c5083b6c5fa33a0d0ef9ede4f7b939a6917754186bb5389d53e37b092c62262db495b29bd2806d563c48e4509
SHA1 hash:	1bf190eec03ef90b569512146b8299287c7ab29c
MD5 hash:	47934a4c7555820284262db669e47a8b
humanhash:	arkansas-green-bakerloo-mirror
File name:	Proposal Letter.xls
Download:	download sample
File size:	1'396'736 bytes
First seen:	2025-06-07 13:22:58 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	24576:v1j7sxqAiA62eU7uMwbxqeqiFHCKQJVoeHXAc:dj73AiAhZa9fHbQ9Ac
TLSH	T1EF558C01BFE0FE13C524037A89FB57653671EC82AB13470B1698B71A2D717D81B9B2E9
TrID	46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4) 26.7% (.XLS) Microsoft Excel sheet (32500/1/3) 20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2) 6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika	xls
Reporter	abuse_ch
Tags:	cve-2017-0199 xls

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: 4

OLE dump

MalwareBazaar was able to identify 27 sections in this file using oledump:

Section ID	Section size	Section name
1	114 bytes	CompObj
2	244 bytes	DocumentSummaryInformation
3	200 bytes	SummaryInformation
4	114 bytes	MBD000F1232/CompObj
5	252 bytes	MBD000F1232/DocumentSummaryInformation
6	113256 bytes	MBD000F1232/SummaryInformation
7	114 bytes	MBD000F1232/MBD00906C62/CompObj
8	652 bytes	MBD000F1232/MBD00906C62/DocumentSummaryInformation
9	30228 bytes	MBD000F1232/MBD00906C62/SummaryInformation
10	218567 bytes	MBD000F1232/MBD00906C62/Workbook
11	114 bytes	MBD000F1232/MBD0090702C/CompObj
12	248 bytes	MBD000F1232/MBD0090702C/DocumentSummaryInformation
13	25180 bytes	MBD000F1232/MBD0090702C/SummaryInformation
14	32628 bytes	MBD000F1232/MBD0090702C/Workbook
15	114 bytes	MBD000F1232/MBD0090758B/CompObj
16	236797 bytes	MBD000F1232/MBD0090758B/Package
17	308864 bytes	MBD000F1232/Workbook
18	744 bytes	MBD000F1233/Ole
19	399901 bytes	Workbook
20	529 bytes	_VBA_PROJECT_CUR/PROJECT
21	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
22	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
23	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
24	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
25	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
26	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
27	553 bytes	_VBA_PROJECT_CUR/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
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

485

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Proposal Letter.xls

Verdict:

No threats detected

Analysis date:

2025-06-07 13:25:59 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/183e080e-8d25-4d89-83ac-70c92dab6cb4

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/7897/

Detection(s):

SecuriteInfo.com.Heur.9770.1471.UNOFFICIAL

TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68443d928bd5d68a12e64739

Tags:

extens overt blic

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Searching for the window

Using the Windows Management Instrumentation requests

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497/results/dashboard

Payload URLs

URL

File name

https://greathappinessigiventoherlifewithbestopportuntiestogetbacktheworkingskillf.business@acessaurl.com/hQwBifT

Embedded Ole

Behaviour

SuspiciousRTF detected

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497

Gathering data

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1708883

Signature

Excel sheet contains many unusual embedded objects

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

OFFICE

Link:

https://malprob.io/report/a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497/

Threat name:

Win32.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2025-06-07 03:49:09 UTC

File Type:

Document

Extracted files:

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=utn5rmitu6mdger6fwcmad5hxmyjkubw2hpc54yc3pvco4j2islq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/250607-qmxjcasvav/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Uses Task Scheduler COM API

Uses Volume Shadow Copy WMI provider

Uses Volume Shadow Copy service COM API

Malware Family:

n/a

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/7c1b2c85-49ec-4fb5-8b3d-5179bb04c308

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/a4dbd8b113a79833123e2d84c00fa7bb30955036d1de2ef302dbea27713a4497

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:	informational_win_ole_protected Create hunting rule
Author:	Jeff White (karttoon@gmail.com) @noottrak
Description:	Identify OLE Project protection within documents.

Rule name:	maldoc_OLE_file_magic_number Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	office_document_vba Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	Office document with embedded VBA
Reference:	https://github.com/jipegit/

Rule name:	XLS_STRINGS Create hunting rule
Author:	somedieyoungZZ
Description:	Detect Strings targeting Bangladesh

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/7897/

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