MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8. 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

Threat unknown

Vendor detections: 14

Maldoc score: 29

Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash:	ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8
SHA3-384 hash:	39e2053c564f5ebeff0f7c8958b5ffc7d6e8782c81d1e848a5560f799f37f048e049527938485c3f4674e4c4cf2a1055
SHA1 hash:	bd2447a6cfb1812ee7f190c9d92beabcc6976dcb
MD5 hash:	97806d455842e36b67fdd2a763f97281
humanhash:	mountain-grey-lithium-oregon
File name:	E-Windows.docm
Download:	download sample
File size:	85'630 bytes
First seen:	2023-03-18 18:50:38 UTC
Last seen:	Never
File type:	docm
MIME type:	application/vnd.openxmlformats-officedocument.wordprocessingml.document
ssdeep	1536:GA+WqQuctgdRmGWimS12cLbVcYFmeqbZJVfSofOuLX8o1s/vcbrt+2Vdu3CisYif:x+X8YrzX1D/VEJZJVfv2wfbrtyIOCf
TLSH	T109830269BADA21A3C146B3F430565BCCFC052C95D0ED316AA658C3CEDE138734E46FA9
TrID	46.3% (.TMDX/TMVX) SoftMaker TextMaker text Document (84519/2/13) 28.4% (.DOCM) Word Microsoft Office Open XML Format document (with Macro) (52000/1/9) 12.8% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4) 9.5% (.ZIP) Open Packaging Conventions container (17500/1/4) 2.1% (.ZIP) ZIP compressed archive (4000/1)
Reporter	p0psicl3
Tags:	docm

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: 29

OLE dump

MalwareBazaar was able to identify 7 sections in this file using oledump:

Section ID	Section size	Section name
A1	385 bytes	PROJECT
A2	71 bytes	PROJECTwm
A3	5871 bytes	VBA/NewMacros
A4	1073 bytes	VBA/ThisDocument
A5	4400 bytes	VBA/_VBA_PROJECT
A6	734 bytes	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	AutoOpen	Runs when the Word document is opened
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	Write	May write to a file (if combined with Open)
Suspicious	createTextFile	May create a text file
Suspicious	Shell	May run an executable file or a system command
Suspicious	WScript.Shell	May run an executable file or a system command
Suspicious	Run	May run an executable file or a system command
Suspicious	command	May run PowerShell commands
Suspicious	CreateObject	May create an OLE object
Suspicious	Lib	May run code from a DLL
Suspicious	libc.dylib	May run code from a library on a Mac
Suspicious	dylib	May run code from a library on a Mac
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	system	May run an executable file or a system command on a Mac (if combined with libc.dylib)
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 :

448

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

E-Windows.docm

Verdict:

Malicious activity

Analysis date:

2023-03-18 18:51:49 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/a0c42392-d799-4e6f-9484-9ba99cd90fcf

Note:

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

Detection(s):

SecuriteInfo.com.Generic-EXE.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.KERNEL32.200608B64.7.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.KERNEL32.200608B64.8.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.1.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.2.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.6.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTP_.210304B64.7.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.HTTPS_.210304B64.6.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD._THIS_PROGRAM.210413B64.5.UNOFFICIAL

TwinWave.EvilDoc.EXEAceOfBase64Word.20210714.UNOFFICIAL

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL

MiscreantPunch.EvilMacro.WinMac.170815.UNOFFICIAL

MiscreantPunch.EvilMacro.MULTIOSDETONATOR.180126.UNOFFICIAL

MiscreantPunch.EvilMacro.MULTIOSDETONATOR.180126.M2.UNOFFICIAL

Doc.Malware.Valyria-6728957-0

Doc.Malware.Valyria-6923112-0

TwinWave.EvilZip.OnAndOn.20221219.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

Searching for the window

Creating a file in the %temp% directory

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Word File with Macro

Link:

https://app.docguard.net/ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware macros macros-on-open masquerade obfuscated packed

Link:

https://www.filescan.io/uploads/64160818f1c76a74c77f1efb/reports/c2740334-4b14-4e2f-ae26-9debd2a0faa4/overview

Verdict:

Malicious

Labled as:

Valyria

Link:

https://www.hybrid-analysis.com/sample/ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8

Label:

Malicious

Suspicious Score:

9.9/10

Score Malicious:

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=0e2ae475-8862-4814-8ac2-cf8757d30209

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8

Details

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro with File System Write

Detected macro logic that can write data to the file system.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

Base64 Encoded URL

Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.

Macro with DLL Reference

Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).

InQuest Machine Learning

An InQuest machine-learning model classified this macro as potentially malicious.

Base64 Encoded Executable in XML

Detected an Office XML file containing a base64 encoded executable.

Metasploit Macro Exploit IOCs

Detected heuristics indicative of a Metasploit generated macro.

Document With Minimal Content

Document contains less than 1 kilobyte of semantic information.

Result

Threat name:

Metasploit

Detection:

malicious

Classification:

troj.expl

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1196735

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Document contains an embedded VBA with functionality to load libraries

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Office process drops PE file

Yara detected Metasploit Payload

Behaviour

Behavior Graph:

Download SVG

Detection:

emotet

Link:

https://mwdb.cert.pl/sample/ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8/

Threat name:

Document-Word.Backdoor.Meterpreter

Status:

Malicious

First seen:

2023-03-18 18:51:06 UTC

File Type:

Document

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vniyvbvxp7uefaq3kdiyfojzjuvftuogigb2g7vxbjwkyealhh4a._file

Result

Malware family:

metasploit

Score:

10/10

Tags:

family:metasploit backdoor trojan

Link:

https://tria.ge/reports/230318-xhg2esfe2v/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Drops file in Windows directory

Executes dropped EXE

Loads dropped DLL

MetaSploit

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	pdb_YARAify Create hunting rule
Author:	@wowabiy314
Description:	PDB

Rule name:	vbaproject_bin Create hunting rule
Author:	CD_R0M_
Description:	{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

File information

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

Web download

docm ab518a86b77fe842821b50d182b9394d2a59d1c64183a37eb70a6cac100b39f8

(this sample)

Delivery method

Distributed via web download

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