MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1. 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:	3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1
SHA3-384 hash:	ea5fa5dcecf1840ad66bae4051e62d754afb33e9e7279a6c65c8490cc32910015a186c34ce6c8b16de5a557454c84b7e
SHA1 hash:	9e7d1e8042810ee3b691ee307caed7dd5fd0577d
MD5 hash:	379146831e96c4374f3d05db46d978b2
humanhash:	lake-princess-apart-pizza
File name:	SecuriteInfo.com.XF.AShadow.1205.3053.20328
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	36'352 bytes
First seen:	2023-03-30 23:33:09 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/vnd.ms-excel
ssdeep	768:TPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ9dfPj5jlinfeoqMi9gZ:Lok3hbdlylKsgqopeJBWhZFGkE+cL2NV
TLSH	T1BAF272F7BA86EC66CE488379086B4390A713FC5157A7838B3345F7263FB1B90590618B
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	26503 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 :

293

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.XF.AShadow.1205.3053.20328

Verdict:

No threats detected

Analysis date:

2023-03-30 23:33:50 UTC

Tags:

macros40 generated-doc

Link:

https://app.any.run/tasks/ddc92232-4b15-4364-b8cd-995fc7a76ee5

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/378940/

Detection(s):

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL

SecuriteInfo.com.XF.AShadow.1205.3053.20328.UNOFFICIAL

TwinWave.EvilDoc.Excel4.BlackSubmarines.2020.UNOFFICIAL

TwinWave.EvilDoc.ZloaderGasPanic.20210216.UNOFFICIAL

TwinWave.EvilDoc.Excel4UnicodeTransPoseReadyOrNot.ENABLE.M2.210222.UNOFFICIAL

TwinWave.EvilDoc.ZloaderShineOnYouCrazyDiamondParts1to9.20201116.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

Launching a process by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

83%

Tags:

exploit language-is macros macros-on-open zloader

Link:

https://www.filescan.io/uploads/64261c6d688c0e6397b3cf2f/reports/8d77c48d-ee84-42ab-9af9-5edc7fa8bf93/overview

Verdict:

Malicious

Labled as:

Trojan.6C3EA6FA

Link:

https://www.hybrid-analysis.com/sample/3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1

Label:

Malicious

Suspicious Score:

9.9/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=2e789dc2-a259-4b08-951f-364f7acccb68

Result

Threat name:

Unknown

Detection:

malicious

Classification:

spre.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1205703

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/3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1/

Threat name:

Document-Excel.Trojan.ZLoader

Status:

Malicious

First seen:

2020-11-27 03:52:00 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=hit56jyshx7edys37o5l2uw4pd6wu7ozyvu52rdeuyhmuyqwepqq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/230330-3kexqsfh34/

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/3a27df27123d/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/3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1

File information

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

Web download

ZLoader

xlsx 3a27df27123dfe41e25bfbbabd52dc78fd6a7dd9c569dd4464a60eca621623e1

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/873864/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/378940/

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