MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d68434b591110cdabe1af690f1a01dc209ceb432eb7b89b24e3d5c9f43d3338. 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: 7

Intelligence 7 IOCs YARA 8 File information Comments

SHA256 hash:	1d68434b591110cdabe1af690f1a01dc209ceb432eb7b89b24e3d5c9f43d3338
SHA3-384 hash:	42e97b7a8dc2f8a7a03ee1d7990bdcaa9f97d86ddb5f17e2561c1dde0cd31c769dc7c3cf2d836ca965c469c4e0bb8b84
SHA1 hash:	292bb6d374398c746722924b209fc043bf0e47a2
MD5 hash:	d24625e30b351be950a8d709b77871a7
humanhash:	uranus-fillet-pennsylvania-bluebird
File name:	n°761.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	157'696 bytes
First seen:	2021-01-19 07:25:32 UTC
Last seen:	2021-01-19 09:21:57 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	3072:aak3hbdlylKsgqopeJBWhZFGkE+cL4LxlnAm0WagqOzC6XfK/ax77/HvCGbMwYXK:Fk3hbdlylKsgqopeJBWhZFVE+W4Lxln5
TLSH	87F3E116BB87CD89DE5713744DE24B54A722FC20CEEB46067206B21C2EB9ED04A13B4F
Reporter	abuse_ch
Tags:	GoDaddy xls ZLoader

abuse_ch

Malspam distributing unidentified malware:

HELO: a2nlsmtp01-03.prod.iad2.secureserver.net
Sending IP: 198.71.225.37
From: Matthias Marzolo <info@siselectronica.co>
Subject: VBSA Order n°761
Attachment: n°761.xls

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

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section ID	Section size	Section name
1	288 bytes	DocumentSummaryInformation
2	224 bytes	SummaryInformation
3	153344 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	a.bat	Executable file name
Suspicious	EXEC	May run an executable file or a system
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 :

156

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

n°761.xls

Verdict:

Malicious activity

Analysis date:

2021-01-19 07:58:14 UTC

Tags:

macros macros40 loader

Link:

https://app.any.run/tasks/8a7bb022-6f79-4c68-909c-8fe8e7257105

Note:

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

Detection(s):

TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.201208.UNOFFICIAL

TwinWave.EvilDoc.XLS4SunriseAutobahn.20201218.UNOFFICIAL

TwinWave.EvilDoc.XLS4SunriseAutobahn.20210115.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Launching a process

DNS request

Sending a custom TCP request

Result

Verdict:

Malicious

File Type:

Legacy Office File

Link:

https://app.docguard.net/1d68434b591110cdabe1af690f1a01dc209ceb432eb7b89b24e3d5c9f43d3338/results/dashboard

Payload URLs

URL

File name

http://tinyurl.com/y2bthpxg

WorkBook

Document image

Image:

Download PNG

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

expl.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/584730

Signature

Document exploit detected (process start blacklist hit)

Found Excel 4.0 Macro with suspicious formulas

Found obfuscated Excel 4.0 Macro

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Obfuscated command line found

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: Powershell downloading file from url shortener site

Yara detected Obfuscated Powershell

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1d68434b591110cdabe1af690f1a01dc209ceb432eb7b89b24e3d5c9f43d3338/

Threat name:

Win32.Trojan.Abracadabra

Status:

Malicious

First seen:

2021-01-19 07:26:11 UTC

AV detection:

8 of 45 (17.78%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dvuegs2zceim3k7bv5uq6gqb3qqjz22df233rgze4pk4t5b5gm4a._file

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/210119-r78rncmbzx/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Delays execution with timeout.exe

Blocklisted process makes network request

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://cutt.ly/fjYtydH

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/1d68434b591110cdabe1af690f1a01dc209ceb432eb7b89b24e3d5c9f43d3338

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:	INDICATOR_OLE_Excel4Macros_DL2 Create hunting rule
Author:	ditekSHen
Description:	Detects OLE Excel 4 Macros documents acting as downloaders

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

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

File information

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

Malspam

ZLoader

xls 1d68434b591110cdabe1af690f1a01dc209ceb432eb7b89b24e3d5c9f43d3338

(this sample)

Delivery method

Distributed via e-mail attachment

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