MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc. 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

ZLoader

Vendor detections: 9

Maldoc score: 3

Intelligence 9 IOCs YARA File information Comments

SHA256 hash:	be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc
SHA3-384 hash:	1da9a0754199da4705ef80a305f2d7570fc22a9c966422fce71be8cf4d8b8c5ad11fb1edd30b420e0a9a55873f4fe6d7
SHA1 hash:	2aa41013eb9ee260563341eb79a860737e495546
MD5 hash:	95b76e54f8af81a0e045ca25a3190633
humanhash:	iowa-zulu-idaho-artist
File name:	SecuriteInfo.com.XF.AShadow.1205.1391.24007
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	36'864 bytes
First seen:	2023-03-30 23:33:47 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/vnd.ms-excel
ssdeep	768:VPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJNkVgnmcghFpM/u/:dok3hbdlylKsgqopeJBWhZFGkE+cL2N/
TLSH	T12EF274E7FB95DD25CE488379487B82906712EC515B6B838B3385F7293FB1BA04902157
TrID	58.2% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4) 33.5% (.XLS) Microsoft Excel sheet (32500/1/3) 8.2% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter	SecuriteInfoCom
Tags:	xlsx ZLoader

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: 3

Application name is Microsoft Excel

Office document is in OLE format

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section ID	Section size	Section name
1	4096 bytes	DocumentSummaryInformation
2	4096 bytes	SummaryInformation
3	26792 bytes	Workbook

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
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 :

314

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.XF.AShadow.1205.1391.24007

Verdict:

No threats detected

Analysis date:

2023-03-30 23:36:50 UTC

Tags:

macros40 generated-doc

Link:

https://app.any.run/tasks/cda3464b-e2c0-4b4b-8b5f-25996395e7df

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/378947/

Detection(s):

SecuriteInfo.com.XF.AShadow.1205.1391.24007.UNOFFICIAL

TwinWave.EvilDoc.Excel4.BlackSubmarines.2020.UNOFFICIAL

TwinWave.EvilDoc.Excel4UnicodeTransPoseReadyOrNot.ENABLE.210222.UNOFFICIAL

TwinWave.EvilDoc.ZloaderGasPanic.20210216.UNOFFICIAL

TwinWave.EvilDoc.ZloaderShineOnYouCrazyDiamondParts1to9.20201116.UNOFFICIAL

TwinWave.EvilDoc.ZloaderShineOnYouCrazyDiamondParts1to9.M2.20201116.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Searching for synchronization primitives

DNS request

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc/results/dashboard

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

language-ga macros macros-on-open

Link:

https://www.filescan.io/uploads/64261c7884fe7631c3030528/reports/607a2e41-f98f-4a1f-a578-6e69987a1876/overview

Verdict:

Malicious

Labled as:

Trojan.6C3EA6FA

Link:

https://www.hybrid-analysis.com/sample/be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc

Label:

Malicious

Suspicious Score:

9.9/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=853bc7e3-0544-4023-ba53-3e023bd35d48

Result

Threat name:

Unknown

Detection:

malicious

Classification:

spre.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1205582

Signature

Antivirus / Scanner detection for submitted sample

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

Injects code into the Windows Explorer (explorer.exe)

Microsoft Office drops suspicious files

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Potential malicious VBS script found (has network functionality)

Potential malicious VBS script found (suspicious strings)

System process connects to network (likely due to code injection or exploit)

Yara detected VBS Downloader Generic

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc/

Threat name:

Document-Excel.Trojan.ZLoader

Status:

Malicious

First seen:

2020-11-30 03:31:22 UTC

File Type:

Document

Extracted files:

AV detection:

20 of 37 (54.05%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xz4xthsyjt7kynsmtpn5zlsx4bp3jskl6wminyzsl36rxxmtalga._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/230330-3kfh9shb8y/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://skill.fashion/wp-data.php
https://syracuse.best/wp-data.php

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/be79799e584c/report/overview.html

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

Threat name:

Legit

Score:

0.20

Link:

https://yomi.yoroi.company/submissions/be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc

File information

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

Web download

ZLoader

xlsx be79799e584cfeac364c9bdbdcae57e05fb4c94bf59886e3325efd1bdd9302cc

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/875150/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/378947/

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