MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 211dafb1508c0dd5af66552f5cc705aaf337ca4cf5b0220342df326702098918. 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: 6

Maldoc score: 5

Intelligence 6 IOCs YARA 7 File information Comments

SHA256 hash:	211dafb1508c0dd5af66552f5cc705aaf337ca4cf5b0220342df326702098918
SHA3-384 hash:	a7c990947bba233c40386b108724a0bc448fc3a886a2d6610db1f7574cd29269b2c9b9cd8a67468a81d4735dc0bb5716
SHA1 hash:	d6ecd65769eb8ff1dbf7cfd80d3dee53dfc43e32
MD5 hash:	008a38a3ae5a52bff9ac3be0357619c8
humanhash:	chicken-may-chicken-gee
File name:	1611.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	58'880 bytes
First seen:	2021-03-09 15:05:15 UTC
Last seen:	2021-03-09 17:18:08 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	1536:K48ixfIEby0GMSKc9DU13qw27vWny5nEy+e1C63:K41xAEu0GhKc9DU13qw27vWny5nEy+e7
TLSH	D34332F35E678D75C6448F348DA607244315DC228A665F8B2BD0B728FFB3FA5AB02146
Reporter	abuse_ch
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	49082 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 :

162

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1611.xls

Verdict:

No threats detected

Analysis date:

2021-03-09 15:08:46 UTC

Tags:

macros macros40

Link:

https://app.any.run/tasks/6e307cad-fe9e-496e-a4cb-8c3d29eb9208

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/123270/

Detection(s):

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL

TwinWave.EvilDoc.ZloaderGasPanic.20210216.UNOFFICIAL

TwinWave.EvilDoc.Excel4UnicodeTransPoseReadyOrNot.ENABLE.210222.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/211dafb1508c0dd5af66552f5cc705aaf337ca4cf5b0220342df326702098918/results/dashboard

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

evad

Score:

48 / 100

Link:

https://www.joesandbox.com/analysis/633018

Signature

Found abnormal large hidden Excel 4.0 Macro sheet

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

Behaviour

Behavior Graph:

Download SVG

Gathering data

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=eeo27mkqrqg5ll3gkuxvzryfvlztpssm6wycea2c34zgoaqjrema._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210309-1kye11c8za/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

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

Threat name:

Malicious File

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/211dafb1508c0dd5af66552f5cc705aaf337ca4cf5b0220342df326702098918

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:	ach_ZLoader_xls_20201029 Create hunting rule
Author:	abuse.ch
Description:	Detects ZLoader XLS

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:	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.

Malspam

ZLoader

xls 211dafb1508c0dd5af66552f5cc705aaf337ca4cf5b0220342df326702098918

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/123270/

Comments

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