MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477. 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

AveMariaRAT

Vendor detections: 12

Maldoc score: 27

Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash:	5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477
SHA3-384 hash:	8b6bfb77eca700edb9a5012597e38a2334634617be703b8c8299c5e4ecb347c7f2e8291b734f698c2fd766626a66eeac
SHA1 hash:	ec365d254c19e6be8a0410bea87d90fd9b5069ac
MD5 hash:	c9ee2b6dbee4f293e2e2dbaf490e254b
humanhash:	red-september-six-victor
File name:	New orders.doc
Download:	download sample
Signature	AveMariaRAT Create hunting rule
File size:	37'376 bytes
First seen:	2022-04-11 07:20:21 UTC
Last seen:	Never
File type:	doc
MIME type:	application/msword
ssdeep	384:w+FyGcS2rkxDGtBS5EouhdXhvEPJfd0jANW:0rHSCouhdxcPv
TLSH	T1DEF29204B296DD17F39545740ECBCADA732A7C19AE52832B32947B6FBC3A5B0CB41B41
Reporter	abuse_ch
Tags:	AveMariaRAT doc

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: 27

OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section ID	Section size	Section name
1	121 bytes	CompObj
2	4096 bytes	DocumentSummaryInformation
3	4096 bytes	SummaryInformation
4	6766 bytes	1Table
5	518 bytes	Macros/PROJECT
6	131 bytes	Macros/PROJECTwm
7	3497 bytes	Macros/VBA/ThisDocument
8	3774 bytes	Macros/VBA/_VBA_PROJECT
9	676 bytes	Macros/VBA/dir
10	1513 bytes	Macros/VBA/srgjouygx
11	1242 bytes	Macros/VBA/ukjxklnub
12	2062 bytes	Macros/VBA/wiudnovrp
13	4096 bytes	WordDocument

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
Hex String	https	6874747073
Hex String	rank.exe	72616e6b2e657865
Hex String	MSXM	4d53584d
Hex String	L2.ServerXMLHTTP.6.0	4c322e536572766572584d4c485454502e362e30
Hex String	User	55736572
Hex String	-Agent	2d4167656e74
Hex String	DB.Stream	44422e53747265616d
Hex String	WScript	57536372697074
Hex String	.Shell	2e5368656c6c
Hex String	Win32_Proce	57696e33325f50726f6365
Hex String	ssStartup	737353746172747570
Hex String	Win32_Process	57696e33325f50726f63657373
Suspicious	Environ	May read system environment variables
Suspicious	Open	May open a file
Suspicious	Write	May write to a file (if combined with Open)
Suspicious	SaveToFile	May create a text file
Suspicious	Run	May run an executable file or a system command
Suspicious	Create	May execute file or a system command through WMI
Suspicious	ShowWindow	May hide the application
Suspicious	CreateObject	May create an OLE object
Suspicious	GetObject	May get an OLE object with a running instance
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	Shell	May run an executable file or a system
Suspicious	Windows	May enumerate application windows (if combined with Shell.Application object)
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 :

219

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/msword

Has a screenshot:

False

Contains macros:

True

Detection(s):

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL

TwinWave.EvilDoc.CROHeadGames.20200320.UNOFFICIAL

TwinWave.EvilDoc.CROKissFromARose.M2.20201210.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.211019.UNOFFICIAL

Doc.Malware.Valyria-6923224-0

TwinWave.EvilDoc.DOCXRSTRGOOD.WSCRIPT.210223.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WIN32_PROCESS.200408.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS

TwinWave.EvilDoc.DOCXRSTRGOOD.WIN32_PROCESS.200402.UNOFFICIAL

TwinWave.EvilDoc.GOVarVarJaneSays.20210125.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WIN32_PROCESS.210419.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS.210420.UNOFFICIAL

SecuriteInfo.com.Office.Macro-11.UNOFFICIAL

TwinWave.EvilDoc.DLrFireMapleSong.20210923.UNOFFICIAL

TwinWave.EvilDoc.CROgraphicMemory.20211221.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending a custom TCP request

Creating a window

Сreating synchronization primitives

DNS request

Creating a file in the %temp% directory

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)

Sending a custom TCP request by exploiting the app vulnerability

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm evasive macros macros-on-open

Link:

https://www.filescan.io/uploads/6253d6e0d149c40acb224d88/reports/4aa7c781-fd00-4cd7-aff3-c23102b245df/overview

Label:

Malicious

Suspicious Score:

9.8/10

Score Malicious:

99%

Score Benign:

Link:

https://www.malware.ai/gui/files/?id=152d45fe-94ca-47f9-82fa-6790487f3fe0

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477

Details

Macro with Startup Hook

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

Document With Few Pages

Document contains between one and three pages of content. Most malicious documents are sparse in page count.

Macro Contains Suspicious String

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

InQuest Machine Learning

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

Result

Threat name:

AveMaria UACMe

Detection:

malicious

Classification:

phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/974474

Signature

.NET source code contains potential unpacker

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

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 processes via WMI

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 functions possibly related to ADO stream file operations

Document contains an embedded VBA with functions possibly related to HTTP operations

Document contains an embedded VBA with hexadecimal encoded strings

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Found malware configuration

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 dropped file

Multi AV Scanner detection for submitted file

Office process drops PE file

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected AveMaria stealer

Yara detected UACMe UAC Bypass tool

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477/

Threat name:

Document-Word.Trojan.Valyria

Status:

Malicious

First seen:

2022-04-11 07:21:48 UTC

File Type:

Document

Extracted files:

AV detection:

17 of 25 (68.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lyr33lrw2eftv3mzgsrmzezqjtujc7nc2etiseculca6mhgjer3q._file

Result

Malware family:

warzonerat

Score:

10/10

Tags:

family:warzonerat infostealer macro rat

Link:

https://tria.ge/reports/220411-h6m51sefe9/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Office loads VBA resources, possible macro or embedded object present

Drops file in Windows directory

Suspicious use of SetThreadContext

Downloads MZ/PE file

Executes dropped EXE

Warzone RAT Payload

WarzoneRat, AveMaria

Malware Config

C2 Extraction:

172.31.30.34:1998

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/5e23bdae36d1/report/overview.html

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/5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477

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:	Office_AutoOpen_Macro Create hunting rule
Author:	Florian Roth
Description:	Detects an Microsoft Office file that contains the AutoOpen Macro function

File information

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

Malspam

AveMariaRAT

doc 5e23bdae36d10b3aed9934a2cc93304ce8917da2d1268910545881e61cc92477

(this sample)

Delivery method

Distributed via e-mail attachment

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