MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae5a246bd9082ec804f233367f9b33eb062d2f3a9b3ebc32480cd64372a21c4a. 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 5 File information Comments

SHA256 hash:	ae5a246bd9082ec804f233367f9b33eb062d2f3a9b3ebc32480cd64372a21c4a
SHA3-384 hash:	c1046b10c0aa077d9c3ec543aa7b8aefc7ed4173b3541e0af7d1982eebacc50e5bc4ee72bc3bbb8c61528d80141be5eb
SHA1 hash:	82f83f76be4d9683e4f7ff1689b4bbec7d9f1f31
MD5 hash:	7288645954bda63f57cbf5e407a1e173
humanhash:	mirror-south-beryllium-grey
File name:	Factur.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	209'920 bytes
First seen:	2021-08-19 09:04:37 UTC
Last seen:	Never
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	6144:Jk3hbdlylKsgqopeJBWhZFVE+W2NdA3w7ZmFpZPnIFyDuSDGONs23Y2f0Y:XzPIyav4FT
TLSH	T1A02402FBB788F419CA640778192A0ED26352EC561B9B439F3308F7193F726E84E42917
Reporter	adrian__luca
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	198370 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
IOC	rob122DzjsdFA.dll	Executable file name
Suspicious	EXEC	May run an executable file or a system
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 :

180

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Factur.xls

Verdict:

No threats detected

Analysis date:

2021-08-19 09:07:28 UTC

Tags:

macros macros40

Link:

https://app.any.run/tasks/aa5c84af-3529-4ff7-bcf9-2af83157cf0f

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:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/180620/

Detection(s):

TwinWave.EvilDoc.Excel4Macro.HiddenSheetDLWAKEUP.20200310.UNOFFICIAL

TwinWave.EvilDoc.XLSLOLBINHammerToFall.20201218.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/ae5a246bd9082ec804f233367f9b33eb062d2f3a9b3ebc32480cd64372a21c4a/results/dashboard

Payload URLs

URL

File name

https://bi

Sheet2

Document image

Image:

Download PNG

Result

Threat name:

Unknown

Detection:

malicious

Classification:

n/a

Score:

48 / 100

Link:

https://www.joesandbox.com/analysis/835665

Signature

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ae5a246bd9082ec804f233367f9b33eb062d2f3a9b3ebc32480cd64372a21c4a/

Threat name:

Script.Trojan.Heuristic

Status:

Malicious

First seen:

2021-08-19 00:34:12 UTC

AV detection:

4 of 46 (8.70%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vznci26zbaxmqbhsgm3h7gzt5mdc2lz2tm7lymsibtleg4vcdrfa._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210819-v2t8p2afxe/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

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

Threat name:

Suspicious File

Score:

0.50

Link:

https://yomi.yoroi.company/submissions/ae5a246bd9082ec804f233367f9b33eb062d2f3a9b3ebc32480cd64372a21c4a

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_20200514 Create hunting rule
Author:	abuse.ch

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

Rule name:	Excel_Hidden_Macro_Sheet Create hunting rule

Rule name:	Excel_Hidden_Macro_Sheet Create hunting rule

Rule name:	SUSP_Excel4Macro_AutoOpen Create hunting rule
Author:	John Lambert @JohnLaTwC
Description:	Detects Excel4 macro use with auto open / close

File information

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

Malspam

ZLoader

xls ae5a246bd9082ec804f233367f9b33eb062d2f3a9b3ebc32480cd64372a21c4a

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/180620/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample