MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7. 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

KatzStealer

Vendor detections: 11

Maldoc score: 9

Intelligence 11 IOCs YARA 3 File information Comments 2

SHA256 hash:	d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7
SHA3-384 hash:	05a1a9e929b3cf2e17f71fbc5cdefd5e2bc381a155c093590dbb8a4385533fc9e2b8a94401342d8465bcb0091e52acf1
SHA1 hash:	96029f52329619c716623e242b71826be659cade
MD5 hash:	4a5ee4cc8eb19e6200d4b3f19a5e0099
humanhash:	march-four-harry-red
File name:	RFQ - 01.10.2025.xls
Download:	download sample
Signature	KatzStealer Create hunting rule
File size:	1'280'512 bytes
First seen:	2025-10-01 11:22:45 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	24576:9cGIBNpYKiz2e9mh+NGHr6AjDdnFt8Ergkic/WZyV+4beko3REWe2nf0:WGcNpo9o+EHr6AjDdnYErgcS7wedBff
TLSH	T14055239ABE92DB77D8AB05B0559389BA882CBCA4FB01414F1308379E357733D6A0774D
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 KatzStealer 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: 9

Application name is Microsoft Excel

File Format is MS Excel 97-2003

Container Format is OLE

Office document is in encrypted

Office document contains VBA Macros

OLE dump

MalwareBazaar was able to identify 15 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	99 bytes	MBD003DA142/CompObj
5	477684 bytes	MBD003DA142/Package
6	796 bytes	MBD003DA143/Ole
7	778248 bytes	Workbook
8	525 bytes	_VBA_PROJECT_CUR/PROJECT
9	104 bytes	_VBA_PROJECT_CUR/PROJECTwm
10	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
11	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet2
12	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet3
13	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
14	2644 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
15	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 beused to obfuscate strings (option --decode tosee all)

Intelligence

File Origin

# of uploads :

# of downloads :

130

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

RFQ - 01.10.2025.xls

Verdict:

No threats detected

Analysis date:

2025-10-01 11:31:09 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/4a76ac48-5479-47a8-9782-775b0d4cdbb0

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/29694/

Detection(s):

TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL

Verdict:

Clean

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68dd0f3b7d643f33eab91224

Tags:

n/a

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7/results/dashboard

Payload URLs

URL

File name

https://000000000000000000000@url.odds.team/8voio7?&sherry=productive&sense=blue-eyed

Embedded Ole

Behaviour

SuspiciousRTF detected

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

language-vi macros

Link:

https://www.filescan.io/uploads/68dd0f35c564c8e81d0baa9e/reports/7525dde4-dc62-4c8f-a4e3-63de48f96fe2/overview

Verdict:

Malicious

Labled as:

CVE-2017-0199

Link:

https://www.hybrid-analysis.com/sample/d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7

Label:

Malicious

Suspicious Score:

10/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=bf0bb3f4-e3b5-4ef4-aa47-f6a5504e5237

Verdict:

Malicious

File Type:

xls

First seen:

2025-10-01T06:46:00Z UTC

Last seen:

2025-10-02T12:29:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7/results?tab=lookup

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

52 / 100

Link:

https://www.joesandbox.com/analysis/1787218

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/d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7/

Threat name:

Win32.Exploit.CVE-2017-0199

Status:

Malicious

First seen:

2025-10-01 10:11:03 UTC

File Type:

Document

Extracted files:

AV detection:

14 of 37 (37.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2oulr7gttdyqnlj54rmi66l65agq6tblr6rl7lppqc4rolfvi6tq._file

Result

Malware family:

n/a

Score:

1/10

Tags:

persistence ransomware

Link:

https://tria.ge/reports/251001-nhd54axlv9/

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:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/7378d7d0-b015-41bf-bbc7-64084560cd8f

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

Threat name:

Malicious File

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/d3a8b8fcd398f106ad3de4588f797ee80d0f4c2b8fa2bfadef80b9172cb547a7

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

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/29694/

Comments

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abuse.ch commented on 2025-10-01 15:02:29 UTC

Payload URL:
http://198.23.177.201/505/IMS__Pic0949000030040040300404040r0400404040040.hta

abuse.ch commented on 2025-10-01 15:00:36 UTC

Payload URL:
http://198.23.177.201/505/IMS__Pic0949000030040040300404040r0400404040040.hta