MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48ea8d8723a8ba151a6d6f6bc1b43ab25f018fea7a03acc00aec77a19b844038. 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: 3

Intelligence 9 IOCs YARA File information Comments

SHA256 hash:	48ea8d8723a8ba151a6d6f6bc1b43ab25f018fea7a03acc00aec77a19b844038
SHA3-384 hash:	cd393fe2fc102071e1c610161e90e64c8b91b1e94f2649941bd6cb015612a50fdddada82fd9352d0c72c82b1afa34f88
SHA1 hash:	bd0d147cadad8e36ffb5581477e733f7a44014d5
MD5 hash:	7e5c7c22612a274de6e5a671d59338c5
humanhash:	mirror-missouri-cup-grey
File name:	itsrainingmen.xls
Download:	download sample
Signature	ZLoader Create hunting rule
File size:	36'864 bytes
First seen:	2022-02-19 03:24:24 UTC
Last seen:	2022-02-19 04:54:48 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	768:dPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJjQ120kFXFrKIxb:Vok3hbdlylKsgqopeJBWhZFGkE+cL2NM
TLSH	T1CEF284E7BBD69D65CE488379486B42906713EC9197B7838B3345F72A3FB1BE04902187
Reporter	adm1n_usa32
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: 3

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	26659 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	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 :

446

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

itsrainingmen.xls

Verdict:

Malicious activity

Analysis date:

2022-02-19 03:22:53 UTC

Tags:

macros macros40

Link:

https://app.any.run/tasks/14d3d9f6-c094-4fd6-a9de-1fe9ff997db1

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/242621/

Detection(s):

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL

TwinWave.EvilDoc.Excel4.BlackSubmarines.2020.UNOFFICIAL

TwinWave.EvilDoc.ZloaderGasPanic.20210216.UNOFFICIAL

TwinWave.EvilDoc.Excel4UnicodeTransPoseReadyOrNot.ENABLE.210222.UNOFFICIAL

TwinWave.EvilDoc.ZloaderShineOnYouCrazyDiamondParts1to9.20201116.UNOFFICIAL

TwinWave.EvilDoc.ZloaderShineOnYouCrazyDiamondParts1to9.M2.20201116.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Searching for synchronization primitives

DNS request

Sending an HTTP GET request

Sending a custom TCP request by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/48ea8d8723a8ba151a6d6f6bc1b43ab25f018fea7a03acc00aec77a19b844038/results/dashboard

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

macros macros-on-open

Link:

https://www.filescan.io/uploads/62106311a2660f3bb901e86b/reports/71c6ed25-2d67-4476-919b-97cdc9444fb1/overview

Label:

Malicious

Suspicious Score:

9.9/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=7fd99376-dbb4-4bed-90ac-ae62e5193b49

Result

Threat name:

ZLoader

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/942517

Signature

Antivirus / Scanner detection for submitted sample

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

Injects code into the Windows Explorer (explorer.exe)

Microsoft Office drops suspicious files

Multi AV Scanner detection for submitted file

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

Potential malicious VBS script found (has network functionality)

Potential malicious VBS script found (suspicious strings)

Sigma detected: WScript or CScript Dropper

System process connects to network (likely due to code injection or exploit)

Yara detected ZLoader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/48ea8d8723a8ba151a6d6f6bc1b43ab25f018fea7a03acc00aec77a19b844038/

Threat name:

Document-Excel.Trojan.ZLoader

Status:

Malicious

First seen:

2020-11-27 03:52:00 UTC

File Type:

Document

Extracted files:

AV detection:

22 of 43 (51.16%)

Threat level:

5/5

Result

Malware family:

n/a

Score:

10/10

Tags:

macro xlm

Link:

https://tria.ge/reports/220219-h5jffahce2/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies data under HKEY_USERS

Modifies registry class

Script User-Agent

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Drops file in Windows directory

Blocklisted process makes network request

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://skill.fashion/wp-data.php
https://syracuse.best/wp-data.php

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

Threat name:

Legit

Score:

0.20

Link:

https://yomi.yoroi.company/submissions/48ea8d8723a8ba151a6d6f6bc1b43ab25f018fea7a03acc00aec77a19b844038

File information

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

Web download

ZLoader

xls 48ea8d8723a8ba151a6d6f6bc1b43ab25f018fea7a03acc00aec77a19b844038

(this sample)

Cape

https://www.capesandbox.com/analysis/242621/

URLhaus

https://urlhaus.abuse.ch/url/871359/

Delivery method

Distributed via web download

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