MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9. 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

Demonware

Vendor detections: 11

Maldoc score: 25

Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash:	2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9
SHA3-384 hash:	d093245097ee5d3603971fd006cf8e8ea8844779dc0f768fd27fe0e617596e7f886dacc064bcecee8818ead3888df49a
SHA1 hash:	4d04e4490d3bb3590d94bb2dc8038011fadfbec4
MD5 hash:	51f6b8678de15611bf15e7544dc87c87
humanhash:	comet-double-neptune-blossom
File name:	OmeksBlank.doc
Download:	download sample
Signature	Demonware Create hunting rule
File size:	38'400 bytes
First seen:	2021-03-22 07:44:48 UTC
Last seen:	Never
File type:	doc
MIME type:	application/msword
ssdeep	384:xGW3GbiS6QwM4RL/JtQ6mjjrQaqshImPBW6sNUBK0juqYJ:rDQwMEBmEaqWIo06sNL
TLSH	6F03920272D1DE1BF96181710EDBCBEA7628BC5D9E15C31B32907B2EBC792B18B52711
Reporter	abuse_ch
Tags:	DemonWare doc Ransomware

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: 25

Application name is Microsoft Office Word

Office document is in OLE format

Office document contains VBA Macros

OLE dump

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

Section ID	Section size	Section name
1	114 bytes	CompObj
2	4096 bytes	DocumentSummaryInformation
3	4096 bytes	SummaryInformation
4	7285 bytes	1Table
5	506 bytes	Macros/PROJECT
6	131 bytes	Macros/PROJECTwm
7	3609 bytes	Macros/VBA/ThisDocument
8	3840 bytes	Macros/VBA/_VBA_PROJECT
9	2091 bytes	Macros/VBA/boevybjni
10	676 bytes	Macros/VBA/dir
11	1503 bytes	Macros/VBA/tmopeiqjr
12	1235 bytes	Macros/VBA/znjetvrbh
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	MSXML2.ServerXMLH	4d53584d4c322e536572766572584d4c48
Hex String	TTP.6.0	5454502e362e30
Hex String	User-A	557365722d41
Hex String	gent	67656e74
Hex String	ADODB.Strea	41444f44422e5374726561
Hex String	winmgm	77696e6d676d
Hex String	n32_ProcessStartup	6e33325f50726f6365737353746172747570
Hex String	ocess	6f63657373
Hex String	WScrip	575363726970
Hex String	t.Shell	742e5368656c6c
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) 5 e657865

Intelligence

File Origin

# of uploads :

# of downloads :

333

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

OmeksBlank.doc

Verdict:

Suspicious activity

Analysis date:

2021-03-22 07:53:47 UTC

Tags:

macros macros-on-open generated-doc loader

Link:

https://app.any.run/tasks/752f9d28-d213-4ab1-96af-4a8b78f2c373

Note:

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

Verdict:

Malicious

File type:

application/msword

Has a screenshot:

False

Contains macros:

True

Detection(s):

Doc.Malware.Valyria-6923224-0

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

TwinWave.EvilDoc.CROHeadGames.20200320.UNOFFICIAL

TwinWave.EvilDoc.CROKissFromARose.M2.20201210.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD.HTTP

TwinWave.EvilDoc.DOCXRSTRGOOD.WINMGMTS

TwinWave.EvilDoc.GOVarVarJaneSays.20210125.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the Program Files subdirectories

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

Creating a file in the %temp% subdirectories

Sending an HTTP GET request

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

Creating a process from a recently created file

Result

Verdict:

Malicious

File Type:

Legacy Word File with Macro

Link:

https://app.docguard.net/2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9/results/dashboard

Payload URLs

URL

File name

Project.znjetvrbh.ynmanfjgppnytyees

1Table

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9

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:

Unknown

Detection:

malicious

Classification:

expl

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/647467

Signature

Antivirus / Scanner detection for submitted sample

Creates processes via WMI

Document contains an embedded VBA macro which may execute processes

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)

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

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9/

Threat name:

Script-Macro.Trojan.Valyria

Status:

Malicious

First seen:

2021-03-22 06:26:51 UTC

AV detection:

25 of 47 (53.19%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fftnjwll6bj2cwrgmvdegj7t7viwlpidlb3hsrjldw2ph4bzi3uq._file

Result

Malware family:

demonware

Score:

10/10

Tags:

family:demonware macro macro_on_action pyinstaller ransomware spyware stealer xlm

Link:

https://tria.ge/reports/210322-73rx4x3g56/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Detects Pyinstaller

Drops file in Program Files directory

Drops file in Windows directory

Drops file in System32 directory

Drops startup file

Loads dropped DLL

Reads user/profile data of web browsers

Drops file in Drivers directory

Executes dropped EXE

Modifies extensions of user files

DemonWare

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/2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9

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:	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

Demonware

doc 2966d4d96bf053a15a2665464327f3fd5165bd03587679452b1db4f3f03946e9

(this sample)

Delivery method

Distributed via e-mail attachment

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