MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb2a6af6c324eb21e8099684e34d5f45e6ac78011d2ad7de00f63417bc32035b. 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: 7

Maldoc score: 5

Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash:	bb2a6af6c324eb21e8099684e34d5f45e6ac78011d2ad7de00f63417bc32035b
SHA3-384 hash:	6e1a3a0dde53ef4a6585fb900375ff911b8a90fdcc218b8e629bc431c5c21bfac3857d61026eda362554afb55d117c48
SHA1 hash:	56d51b45c6373a464e14a742ed058154083af752
MD5 hash:	9b396fe050288dbfc24a43c42497b084
humanhash:	cardinal-five-august-alaska
File name:	45.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	36'864 bytes
First seen:	2021-02-16 19:26:10 UTC
Last seen:	2021-02-16 21:09:01 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:5dvxHlcaQPy0iWYOcG4BDhnxD7oOE0ek3hOdsylKlgryzc4bNhZFGzE+cL2knAJV:5dvxHlcaQPy0iWYOcG4BDhnxD7oOEdk0
TLSH	2DF274A3AFA78D74EA4483B949E749115312EC89AF77074722D8B3152EF4EE06C47D0B
Reporter	ffforward
Tags:	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	26980 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 :

157

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

bb2a6af6c324eb21e8099684e34d5f45e6ac78011d2ad7de00f63417bc32035b.xls

Verdict:

No threats detected

Analysis date:

2021-02-16 19:58:19 UTC

Tags:

macros macros40

Link:

https://app.any.run/tasks/1dc6d42c-73c3-4ab8-98e6-af39ce603135

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/117419/

Detection(s):

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL

TwinWave.EvilDoc.ZloaderLiveForver.20210216.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/bb2a6af6c324eb21e8099684e34d5f45e6ac78011d2ad7de00f63417bc32035b/results/dashboard

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

evad

Score:

56 / 100

Link:

https://www.joesandbox.com/analysis/609393

Signature

Found abnormal large hidden Excel 4.0 Macro sheet

Hides that the sample has been downloaded from the Internet (zone.identifier)

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bb2a6af6c324eb21e8099684e34d5f45e6ac78011d2ad7de00f63417bc32035b/

Threat name:

Document-Excel.Trojan.Sonbokli

Status:

Malicious

First seen:

2021-02-16 19:27:04 UTC

AV detection:

4 of 46 (8.70%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xmvgv5wdetvsd2ajs2cogtk7ixtky6abduvnpxqa6y2bppbsannq._file

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

Threat name:

ZLoader

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/bb2a6af6c324eb21e8099684e34d5f45e6ac78011d2ad7de00f63417bc32035b

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:	Email_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Email in files like avemaria

Rule name:	IPPort_combo_mem Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

Rule name:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

Rule name:	Select_from_enumeration Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

Rule name:	SharedStrings Create hunting rule
Author:	Katie Kleemola
Description:	Internal names found in LURK0/CCTV0 samples

Rule name:	UAC_bypass_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	UAC bypass in files like avemaria

Rule name:	ZloaderXLSBehavior Create hunting rule

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/117419/

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