MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0908bdb00632ed56a00fc5d10892568eef7040cd5a51c22ef407785fed9812d1. 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: 14

Maldoc score: 14

Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash:	0908bdb00632ed56a00fc5d10892568eef7040cd5a51c22ef407785fed9812d1
SHA3-384 hash:	d9c0916e6ce8fb7ec3987c5a4271a7fa8f7cdb81bf9f19feb441a53b7bc6551086950c651840e2b560307febbcd9ea9e
SHA1 hash:	1257b776c3d9971dd0032f90ce14ecc0abf87506
MD5 hash:	2a101dbc88425909d3fe09c48a7b14d4
humanhash:	march-wolfram-william-illinois
File name:	2022-07-06_1159.xls
Download:	download sample
Signature	SilentBuilder Create hunting rule
File size:	97'280 bytes
First seen:	2022-07-06 11:27:52 UTC
Last seen:	2022-07-06 12:47:43 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	1536:pFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgDHuS4hcTO97v7UYdEJmac:DKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgi
TLSH	T1A9934A46B759DA1EF621833148E747A67333FC208F6B47472268B3257FB99A04B0721B
TrID	80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter	madjack_red
Tags:	SilentBuilder xls

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: 14

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	86600 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
Hex String	SegWT	5365675754
Hex String	V4cG	56346347
Hex String	GgWG	47675747
Hex String	gGGE	67474745
Hex String	xXWd	78585764
Hex String	E64R	45363452
Suspicious	Windows	May enumerate application windows (if combined with Shell.Application object)
Suspicious	URLDownloadToFileA	May download files from the Internet
Suspicious	system	May run an executable file or a system command on a Mac (if combined with libc.dylib)
Suspicious	EXEC	May run an executable file or a system
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	XLM macro	XLM macro found. It may contain malicious code

Intelligence

File Origin

# of uploads :

# of downloads :

259

Origin country :

n/a

Vendor Threat Intelligence

Verdict:

Malicious

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

True

Detection:

Emotet

Link:

https://www.capesandbox.com/analysis/285125/

Detection(s):

Sanesecurity.Badmacro.Xls.encdl.UNOFFICIAL

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

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.SHELLEXECUTE.200416.UNOFFICIAL

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.SHELLEXECUTE.200524.UNOFFICIAL

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL

TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL

TwinWave.EvilDoc.XL4DataopItWasGoodLivingWithYou.20211109.UNOFFICIAL

TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20220215.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

Creating a process with a hidden window

Launching a process

Moving a recently created file

Sending an HTTP GET request

Sending a custom TCP request by exploiting the app vulnerability

Launching a process by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/0908bdb00632ed56a00fc5d10892568eef7040cd5a51c22ef407785fed9812d1/results/dashboard

Payload URLs

URL

File name

zspwolawiazowa.pl

WorkBook

Document image

Image:

Download PNG

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

greyware macros macros-on-open packed regsvr32

Link:

https://www.filescan.io/uploads/62c571c411764e36f81a8a85/reports/f9506451-7655-44b5-8a6c-f70cfdf7c6c4/overview

Label:

Benign

Suspicious Score:

3.6/10

Score Malicious:

36%

Score Benign:

64%

Link:

https://www.malware.ai/gui/files/?id=bf6fffaa-e95f-4669-a135-ed1af5df3b51

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/0908bdb00632ed56a00fc5d10892568eef7040cd5a51c22ef407785fed9812d1

Details

Autostarting Excel Macro Sheet

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

Result

Threat name:

Hidden Macro 4.0, Emotet

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1025527

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

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

Hides that the sample has been downloaded from the Internet (zone.identifier)

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

Office process drops PE file

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Snort IDS alert for network traffic

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

Uses ipconfig to lookup or modify the Windows network settings

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0908bdb00632ed56a00fc5d10892568eef7040cd5a51c22ef407785fed9812d1/

Threat name:

Document-Excel.Trojan.Abracadabra

Status:

Malicious

First seen:

2022-07-06 11:28:07 UTC

File Type:

Document

Extracted files:

AV detection:

17 of 38 (44.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=beel3magglwvniapyxiqreswr3xxaqgnlji4elxua54f73mycliq._file

Result

Malware family:

emotet

Score:

10/10

Tags:

family:emotet botnet:epoch4 banker macro suricata trojan xlm

Link:

https://tria.ge/reports/220706-nkzvksebf4/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Gathers network information

Gathers system information

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Loads dropped DLL

Downloads MZ/PE file

Emotet

Process spawned unexpected child process

suricata: ET MALWARE W32/Emotet CnC Beacon 3

Malware Config

C2 Extraction:

94.23.45.86:4143
209.97.163.214:443
212.24.98.99:8080
103.43.75.120:443
183.111.227.137:8080
197.242.150.244:8080
129.232.188.93:443
159.65.88.10:8080
163.44.196.120:8080
51.161.73.194:443
164.90.222.65:443
159.89.202.34:443
1.234.2.232:8080
150.95.66.124:8080
51.91.76.89:8080
196.218.30.83:443
5.9.116.246:8080
146.59.226.45:443
173.212.193.249:8080
213.241.20.155:443
213.239.212.5:443
207.148.79.14:8080
51.254.140.238:7080
45.235.8.30:8080
147.139.166.154:8080
64.227.100.222:8080
82.165.152.127:8080
172.105.226.75:8080
131.100.24.231:80
206.189.28.199:8080
151.106.112.196:8080
119.193.124.41:7080
45.176.232.124:443
79.137.35.198:8080
186.194.240.217:443
103.70.28.102:8080
159.65.140.115:443
104.168.155.143:8080
45.118.115.99:8080
115.68.227.76:8080
72.15.201.15:8080
144.202.108.116:8080
37.187.115.122:8080
110.232.117.186:8080
209.126.98.206:8080
172.104.251.154:8080
82.223.21.224:8080
101.50.0.91:8080
103.132.242.26:8080
201.94.166.162:443
185.4.135.165:8080
160.16.142.56:8080
107.170.39.149:8080
134.122.66.193:8080
139.59.126.41:443
149.56.131.28:8080
91.207.28.33:8080
164.68.99.3:8080
188.44.20.25:443
103.75.201.2:443
167.172.253.162:8080
158.69.222.101:443
153.126.146.25:7080
146.59.151.250:443
49.231.16.102:8080
162.243.103.246:8080
165.227.166.238:8080
104.248.155.133:443
144.217.88.125:443
161.97.68.105:8080
131.100.24.199:4143
217.79.180.211:8080
104.236.40.81:443
69.63.64.48:8080
34.85.105.209:8080
51.91.142.26:443
34.80.191.247:7080
144.91.92.120:8080
1.234.21.73:8080
201.73.143.120:8080
45.226.53.34:443
136.243.32.168:443
167.172.248.70:8080
45.93.136.110:8080
138.197.68.35:8080

Dropper Extraction:

https://www.yell.ge/nav_logo/cvLMav68/
http://airhobi.com/system/4Z6puOENN1DH2HYMzKLz/
http://zspwolawiazowa.pl/images/Qb86rcUXgBHhg/
http://yudaisuzuki.jp/150911pre/nsA8XrN93S/

Malware family:

Emotet

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0908bdb00632/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/0908bdb00632ed56a00fc5d10892568eef7040cd5a51c22ef407785fed9812d1

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:	Qbot Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule to Detect Qbot

Rule name:	SUSP_Excel4Macro_AutoOpen Create hunting rule
Author:	John Lambert @JohnLaTwC
Description:	Detects Excel4 macro use with auto open / close

File information

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

Cape

https://www.capesandbox.com/analysis/285125/

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