MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68c5e49f9bb38e378ac23a0232dda2d125687f31d1d6fde14764862aa5647331. 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: 7

Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash:	68c5e49f9bb38e378ac23a0232dda2d125687f31d1d6fde14764862aa5647331
SHA3-384 hash:	86564f28ba4e2df759d0d1bb8a569959ee92548a095203f9b29d0b1a2fc2ef2acbadef55719e883408a7c98ce98618da
SHA1 hash:	4644ffc773058612cc74c240df6d03cd914f3970
MD5 hash:	21a6628f2a2a5c33e28a9981edf01a05
humanhash:	five-vermont-blue-aspen
File name:	New Purchase Order RFQ List - Copy.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	33'792 bytes
First seen:	2021-03-04 14:07:46 UTC
Last seen:	2021-03-04 16:02:59 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:cP1k3hbdlylKsgqopeJBWhZFGkE+cL2NdAJLMa5dSbPCEaSwJcop:I1k3hbdlylKsgqopeJBWhZFGkE+cL2NG
TLSH	B1E24EA6B2C2D806D94907354CE7C7E67626FC115FA7834B3289F71F2F72A808A13657
Reporter	lowmal3
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: 7

Application name is Microsoft Excel

Office document is in OLE format

Office document contains VBA Macros

OLE dump

MalwareBazaar was able to identify 16 sections in this file using oledump:

Section ID	Section size	Section name
1	108 bytes	CompObj
2	244 bytes	DocumentSummaryInformation
3	224 bytes	SummaryInformation
4	15396 bytes	Workbook
5	617 bytes	_VBA_PROJECT_CUR/PROJECT
6	110 bytes	_VBA_PROJECT_CUR/PROJECTwm
7	3409 bytes	_VBA_PROJECT_CUR/VBA/Module1
8	874 bytes	_VBA_PROJECT_CUR/VBA/Module2
9	977 bytes	_VBA_PROJECT_CUR/VBA/Sheet1
10	985 bytes	_VBA_PROJECT_CUR/VBA/ThisWorkbook
11	3049 bytes	_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
12	1211 bytes	_VBA_PROJECT_CUR/VBA/__SRP_0
13	106 bytes	_VBA_PROJECT_CUR/VBA/__SRP_1
14	84 bytes	_VBA_PROJECT_CUR/VBA/__SRP_2
15	103 bytes	_VBA_PROJECT_CUR/VBA/__SRP_3
16	645 bytes	_VBA_PROJECT_CUR/VBA/dir

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_close	Runs when the Excel Workbook is closed
Suspicious	Shell	May run an executable file or a system command
Suspicious	ChrW	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin

# of uploads :

# of downloads :

171

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

New Purchase Order RFQ List - Copy.xls

Verdict:

Suspicious activity

Analysis date:

2021-03-04 14:11:10 UTC

Tags:

macros macros-on-close

Link:

https://app.any.run/tasks/b2fcd101-fbd4-4e64-9ce5-52858520a54f

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/122280/

Detection(s):

TwinWave.EvilDoc.PSHELLStringInfinityPit.20201130.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Result

Verdict:

Suspicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/68c5e49f9bb38e378ac23a0232dda2d125687f31d1d6fde14764862aa5647331/results/dashboard

Payload URLs

URL

File name

http://www.utf8-chartable.de/unicode-utf8-table.pl?start

Module1

Result

Threat name:

AveMaria

Detection:

malicious

Classification:

phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/628678

Signature

Antivirus / Scanner detection for submitted sample

Bypasses PowerShell execution policy

Connects to a URL shortener service

Connects to many ports of the same IP (likely port scanning)

Contains functionality to hide user accounts

Contains functionality to inject threads in other processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal e-mail passwords

Creates an autostart registry key pointing to binary in C:\Windows

Creates processes via WMI

Document exploit detected (process start blacklist hit)

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

Increases the number of concurrent connection per server for Internet Explorer

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sigma detected: Microsoft Office Product Spawning Windows Shell

Suspicious powershell command line found

Tries to harvest and steal browser information (history, passwords, etc)

Writes to foreign memory regions

Yara detected AveMaria stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/68c5e49f9bb38e378ac23a0232dda2d125687f31d1d6fde14764862aa5647331/

Threat name:

Script-Macro.Trojan.Valyria

Status:

Malicious

First seen:

2021-03-01 04:25:01 UTC

AV detection:

16 of 28 (57.14%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ndc6jh43wohdpcwchibdfxnc2eswq7zr2hlp3ykhmsdcvjleomyq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210304-nyxevgcd6e/

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

Office loads VBA resources, possible macro or embedded object present

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

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/68c5e49f9bb38e378ac23a0232dda2d125687f31d1d6fde14764862aa5647331

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_20210125 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:	ZloaderXLSInvoice 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 68c5e49f9bb38e378ac23a0232dda2d125687f31d1d6fde14764862aa5647331

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/122280/

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