MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4. 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: 8

Intelligence 10 IOCs YARA File information Comments 1

SHA256 hash:	8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4
SHA3-384 hash:	70c0144e1f4a89eca792f06c0373e73397ee8aab02716bcf723dab4da0310a8a15c12e14a7bfaae0ba26f2206b936349
SHA1 hash:	3758b9b39e5b3e8cf56a26ceb06982a57a50d58e
MD5 hash:	227f405c8156ec214c88ede574785056
humanhash:	zulu-tennis-friend-texas
File name:	227f405c8156ec214c88ede574785056
Download:	download sample
File size:	7'419'392 bytes
First seen:	2022-04-07 06:58:01 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/vnd.ms-excel
ssdeep	12288:3ktaaoxOsD8te/4EdEdfVxG7ANAkxDdGTspDZLanttMHwbWF9dONpY+ZodurqO6q:prqsT2r+/lIdWYy//EkbAuLqzk2bsn
TLSH	T1F7764960A54D56E0EE399B7018D93EE037DFB616DFE53B024A7A430B1DD6250EE0A70E
Reporter	zbetcheckin
Tags:	excel xlsx

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: 8

OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section ID	Section size	Section name
1	107 bytes	CompObj
2	416 bytes	DocumentSummaryInformation
3	220 bytes	SummaryInformation
4	7345045 bytes	Workbook
5	301 bytes	_VBA_PROJECT_CUR/PROJECT
6	32 bytes	_VBA_PROJECT_CUR/PROJECTwm
7	3948 bytes	_VBA_PROJECT_CUR/VBA/Kangatang
8	2808 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
9	1446 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
10	66 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
11	968 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
12	177 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
13	468 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
AutoExec	Auto_Open	Runs when the Excel Workbook is opened
AutoExec	Auto_Close	Runs when the Excel Workbook is closed
Suspicious	Kill	May delete a file
Suspicious	Windows	May enumerate application windows (if combined with Shell.Application object)
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

352

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/261585/

Detection(s):

Xls.Malware.Valyria-6744613-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending a custom TCP request

Creating a window

Сreating synchronization primitives

Enabling autorun by creating a file

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4/results/dashboard

Payload URLs

URL

File name

https://groupebel-my.sharepoint.com/Users/vcom409.THM/AppData/Local/Temp/notes758E9C/TAY

WorkBook

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

macros macros-on-close macros-on-open valyria virus

Link:

https://www.filescan.io/uploads/624e8b7dd53a7479dacb2d42/reports/76e4102f-ff51-40f0-b3a3-5eda22e0b79a/overview

Label:

Benign

Suspicious Score:

4.2/10

Score Malicious:

43%

Score Benign:

57%

Link:

https://www.malware.ai/gui/files/?id=53c6b7eb-2dbc-4d6e-aca5-1d08d2b70a01

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4

Result

Threat name:

Unknown

Detection:

malicious

Classification:

n/a

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/972110

Signature

Antivirus / Scanner detection for submitted sample

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

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4/

Threat name:

Document-Excel.Virus.Laroux

Status:

Malicious

First seen:

2022-04-07 06:59:17 UTC

File Type:

Document

Extracted files:

AV detection:

29 of 41 (70.73%)

Threat level:

5/5

Result

Malware family:

n/a

Score:

8/10

Tags:

macro macro_on_action

Link:

https://tria.ge/reports/220407-hrjjaahfgm/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Office loads VBA resources, possible macro or embedded object present

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/8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

xlsx 8bcdac299930fc69c9d4df5896c1ccdd64f23dcbcd217ea257fafeab2218fbe4

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2135298/

Cape

https://www.capesandbox.com/analysis/261585/

Comments

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zbet commented on 2022-04-07 06:58:02 UTC

url : hxxp://zalo-file-doc10.zdn.vn/df025c40cbd0248e7dc1/8456000636053303141