MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac910715ef604deb1118c00532575b3e6b2e0e66dd8e85a7d08b6d7a123e90fd. 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: 8

Maldoc score: 5

Intelligence 8 IOCs YARA File information Comments

SHA256 hash:	ac910715ef604deb1118c00532575b3e6b2e0e66dd8e85a7d08b6d7a123e90fd
SHA3-384 hash:	7ff1872ce64185f6b967bc3050f9310c811dc0cb6e11ac1b8cf13a8c10a7e03b682d20350d475319debbc73ae6a629d7
SHA1 hash:	dea1701116f271b9372eeb11043232bb5b546bdb
MD5 hash:	5bc41200211bb73ca051e74c52a44d33
humanhash:	apart-social-helium-august
File name:	AC-130.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	36'352 bytes
First seen:	2022-03-24 06:08:07 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:OPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJVzcumC/MZ1ntHW2c2aDAR:yok3hbdlylKsgqopeJBWhZFGkE+cL2NX
TLSH	T1C4F296E7BA86ED65CD4C473A08AB42A0A713EC515B97838B3345F7293FB1BD04D0259B
Reporter	adm1n_usa32
Tags:	xls 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: 5

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	26624 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	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
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 :

264

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/257031/

Detection(s):

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL

SecuriteInfo.com.Exploit.Siggen3.2984.6388.27037.UNOFFICIAL

TwinWave.EvilDoc.Excel4.BlackSubmarines.2020.UNOFFICIAL

TwinWave.EvilDoc.ZloaderGasPanic.20210216.UNOFFICIAL

TwinWave.EvilDoc.Excel4UnicodeTransPoseReadyOrNot.ENABLE.210222.UNOFFICIAL

TwinWave.EvilDoc.ZloaderShineOnYouCrazyDiamondParts1to9.M2.20201116.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/ac910715ef604deb1118c00532575b3e6b2e0e66dd8e85a7d08b6d7a123e90fd/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

exploit macros macros-on-open zloader

Link:

https://www.filescan.io/uploads/623c0ae00cd58dbd92e47fd4/reports/733645bc-1be1-445a-a143-4ee65833ee62/overview

Label:

Malicious

Suspicious Score:

9.9/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=b66a21cb-04c1-4111-a702-effe15303826

Result

Threat name:

Unknown

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/963495

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)

Sigma detected: WScript or CScript Dropper

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

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ac910715ef604deb1118c00532575b3e6b2e0e66dd8e85a7d08b6d7a123e90fd/

Threat name:

Document-Excel.Trojan.ZLoader

Status:

Malicious

First seen:

2020-11-29 07:42:16 UTC

File Type:

Document

Extracted files:

AV detection:

22 of 42 (52.38%)

Threat level:

5/5

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/220324-gwgd2sdah7/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://statedauto.com/wp-data.php
https://markens.online/wp-data.php

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/ac910715ef604deb1118c00532575b3e6b2e0e66dd8e85a7d08b6d7a123e90fd

File information

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

Web download

ZLoader

xls ac910715ef604deb1118c00532575b3e6b2e0e66dd8e85a7d08b6d7a123e90fd

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/878061/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/257031/

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