MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fea0e3dc5015a4f0d14555e51520aed1594e9b0a3310bac2598db38f11e311c7. 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

SilentBuilder

Vendor detections: 10

Maldoc score: 3

Intelligence 10 IOCs YARA 4 File information Comments 1

SHA256 hash:	fea0e3dc5015a4f0d14555e51520aed1594e9b0a3310bac2598db38f11e311c7
SHA3-384 hash:	fb082775e82b70c8be005905657176f8e4a74b241c3746b38fecc8ef197a3b3821a5cd668f16043ccf965e98bd679efa
SHA1 hash:	f6469e9a26b5927a97069bfe8991e255bb551ad9
MD5 hash:	ebe5b68945480a7f0580e470ee23aa80
humanhash:	kentucky-jupiter-texas-social
File name:	ebe5b68945480a7f0580e470ee23aa80
Download:	download sample
Signature	SilentBuilder Create hunting rule
File size:	120'832 bytes
First seen:	2022-01-12 03:39:53 UTC
Last seen:	2022-01-12 05:55:49 UTC
File type:	xlsx
MIME type:	application/vnd.ms-excel
ssdeep	3072:bKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgMbyVEdBU6hubsll6UQjvxS:bKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgWr
TLSH	T185C3BF9AB25E8869EA65873048D743AA3727EC314F2E43872615B3266FFC8D04B1355B
Reporter	zbetcheckin
Tags:	excel SilentBuilder xlsx

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

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	110445 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	XLM macro	XLM macro found. It may contain malicious code

Intelligence

File Origin

# of uploads :

# of downloads :

208

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ebe5b68945480a7f0580e470ee23aa80

Verdict:

No threats detected

Analysis date:

2022-01-12 03:41:16 UTC

Tags:

macros

Link:

https://app.any.run/tasks/c70b0824-683d-411f-9017-bec9ea13b6fb

Note:

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

Verdict:

Malicious

File type:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/218474/

Detection(s):

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.RUNDLL32.EXE.200327.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.BITSADMIN.EXE.200327.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.URLDOWNLOADTOFILE.200415.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.RUNDLL32.EXE.200416.UNOFFICIAL

TwinWave.EvilDoc.Excel4Macro.HiddenSheetDLWAKEUP.20200310.UNOFFICIAL

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL

TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL

TwinWave.EvilDoc.XLSLOLBINHammerToFall.20201218.UNOFFICIAL

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL

TwinWave.EvilDoc.XL4DataopItWasGoodLivingWithYou.20211109.UNOFFICIAL

TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

DNS request

Sending a custom TCP request

Creating a window

Сreating synchronization primitives

Sending an HTTP GET request

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/fea0e3dc5015a4f0d14555e51520aed1594e9b0a3310bac2598db38f11e311c7/results/dashboard

Payload URLs

URL

File name

http://www.cuneytkocas.com/wp-content/VSnofpES1wO2CcVob/

WorkBook

Document image

Image:

Download PNG

Gathering data

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/fea0e3dc5015a4f0d14555e51520aed1594e9b0a3310bac2598db38f11e311c7

Details

Autostarting Excel Macro Sheet

Excel contains Macrosheet logic that will trigger automatically upon document open.

Result

Threat name:

Hidden Macro 4.0

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/918873

Signature

Antivirus detection for URL or domain

Document contains OLE streams with names of living off the land binaries

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (UrlDownloadToFile)

Drops PE files to the user root directory

Found Excel 4.0 Macro with suspicious formulas

Found malicious Excel 4.0 Macro

Multi AV Scanner detection for domain / URL

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/fea0e3dc5015a4f0d14555e51520aed1594e9b0a3310bac2598db38f11e311c7/

Threat name:

Document-Office.Trojan.Emotet

Status:

Malicious

First seen:

2022-01-12 04:09:07 UTC

File Type:

Document

Extracted files:

AV detection:

12 of 43 (27.91%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=72qohxcqcwspbukfkxsrkifo2fmu5gykgmilvqszrwzy6epdchdq._file

Result

Malware family:

emotet

Score:

10/10

Tags:

family:emotet banker macro suricata trojan xlm

Link:

https://tria.ge/reports/220112-d775csbbar/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in System32 directory

Loads dropped DLL

Blocklisted process makes network request

Downloads MZ/PE file

Emotet

Process spawned unexpected child process

suricata: ET MALWARE W32/Emotet CnC Beacon 3

Malware Config

Dropper Extraction:

http://www.cuneytkocas.com/wp-content/VSnofpES1wO2CcVob/
http://towardsun.net/admin/BYGGkrYAnT/
http://k-antiques.jp/wp-includes/SCYdA6TLohYk2/

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

Threat name:

Suspicious File

Score:

0.50

Link:

https://yomi.yoroi.company/submissions/fea0e3dc5015a4f0d14555e51520aed1594e9b0a3310bac2598db38f11e311c7

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.