Malware analysis OptionalFeatures.exe.7z Malicious activity

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File name:	OptionalFeatures.exe.7z
Full analysis:	https://app.any.run/tasks/594f31fd-590d-46f2-b6bc-d5f4fcb489be
Verdict:	Malicious activity
Analysis date:	October 24, 2024, 14:37:02
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	arch-exec
Indicators:
MIME:	application/x-7z-compressed
File info:	7-zip archive data, version 0.4
MD5:	A32D4A9797F50A0634594E56F747CB0A
SHA1:	CCE2B9D7DF91D626AF3778A66DD7D08569DA2BE1
SHA256:	5DDBBCE63794A5E35FFC6585CFDEEF59A2F990A31628EC906E70B8C8A97FB346
SSDEEP:	3072:j+2trX5nLGR4zDXM3Xz9T/JLj7vdxWTk5o6MVf1:lrVGRDRT/JP7veKaf1

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 60 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- Generic archive extractor
  - WinRAR.exe (PID: 6584)
SUSPICIOUS
- Process drops legitimate windows executable
  - WinRAR.exe (PID: 6584)
- Starts a Microsoft application from unusual location
  - OptionalFeatures.exe (PID: 1784)
  - OptionalFeatures.exe (PID: 2652)
INFO
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 6584)
- Manual execution by a user
  - OptionalFeatures.exe (PID: 1784)
  - OptionalFeatures.exe (PID: 2652)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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No Malware configuration.

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TRiD

.7z	\|	7-Zip compressed archive (v0.4) (57.1)
.7z	\|	7-Zip compressed archive (gen) (42.8)

EXIF

ZIP

FileVersion:	7z v0.04
ModifyDate:	2024:10:24 14:35:19+00:00
ArchivedFileName:	OptionalFeatures.exe

No data.

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All screenshots are available in the full report

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Total processes

132

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1784

"C:\Users\admin\Desktop\OptionalFeatures.exe"

C:\Users\admin\Desktop\OptionalFeatures.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Features

Exit code:

3221226540

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\users\admin\desktop\optionalfeatures.exe
c:\windows\system32\ntdll.dll

2652

"C:\Users\admin\Desktop\OptionalFeatures.exe"

C:\Users\admin\Desktop\OptionalFeatures.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows Features

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\users\admin\desktop\optionalfeatures.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

5584

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

—

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

6340

C:\WINDOWS\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.3989_none_7ddb45627cb30e03\TiWorker.exe -Embedding

C:\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.3989_none_7ddb45627cb30e03\TiWorker.exe

—

svchost.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows Modules Installer Worker

Version:

10.0.19041.3989 (WinBuild.160101.0800)

Modules

Images
c:\windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.3989_none_7ddb45627cb30e03\tiworker.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll

6584

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\OptionalFeatures.exe.7z

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

Exit code:

Version:

5.91.0

Modules

Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll

7092

C:\WINDOWS\system32\SppExtComObj.exe -Embedding

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\oleaut32.dll

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Total events

13 795

Read events

13 769

Write events

Delete events

Modification events


(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	1
Value: C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\OptionalFeatures.exe.7z
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface
Operation:	write	Name:	ShowPassword
Value: 0
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\MainWin
Operation:	write	Name:	Placement
Value: 2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3D0000002D000000FD03000016020000
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:	write	Name:	name
Value: 256
(PID) Process:	(6584) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\ArcColumnWidths
Operation:	write	Name:	size
Value: 80

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6584	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRb6584.44737\OptionalFeatures.exe		executable
		MD5:D6CD8BEF71458804DBC33B88ACE56372	SHA256:FA2E741416994F2C1BF9EF7A16B9C4DBF20C84267E3DA91AE6F1AD75EE9F49B8
6340	TiWorker.exe	C:\Windows\Logs\CBS\CBS.log		text
		MD5:99C050616CE973E4993B2EDA2B8DB8D4	SHA256:C9902F5EEC83B62AD56E40AD8607F7D2710B698F37243DC2441029C813C00675

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
—	—	GET	200	2.16.164.49:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
4360	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
—	—	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
5784	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
5240	SIHClient.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
5240	SIHClient.exe	GET	200	69.192.161.161:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
7056	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:137	—	—	—	whitelisted
5488	MoUsoCoreWorker.exe	51.124.78.146:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	51.124.78.146:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	2.16.164.49:80	crl.microsoft.com	Akamai International B.V.	NL	whitelisted
—	—	88.221.169.152:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
6944	svchost.exe	51.124.78.146:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
4360	SearchApp.exe	2.23.209.177:443	www.bing.com	Akamai International B.V.	GB	whitelisted
4360	SearchApp.exe	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
5784	svchost.exe	20.190.159.4:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
crl.microsoft.com	2.16.164.49 2.16.164.51	whitelisted
www.microsoft.com	88.221.169.152 69.192.161.161	whitelisted
google.com	142.250.185.142	whitelisted
www.bing.com	2.23.209.177 2.23.209.182 2.23.209.156 2.23.209.183 2.23.209.176 2.23.209.181 2.23.209.185 2.23.209.158 2.23.209.179 2.23.209.189	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
login.live.com	20.190.159.4 20.190.159.23 40.126.31.73 20.190.159.71 40.126.31.67 20.190.159.68 40.126.31.71 20.190.159.0	whitelisted
th.bing.com	2.23.209.179 2.23.209.177 2.23.209.182 2.23.209.156 2.23.209.183 2.23.209.176 2.23.209.181 2.23.209.185 2.23.209.158	whitelisted
go.microsoft.com	184.28.89.167	whitelisted
settings-win.data.microsoft.com	20.73.194.208	whitelisted
client.wns.windows.com	40.113.110.67	whitelisted

Threats

No threats detected

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No debug info

General Info

OptionalFeatures.exe.7z

A32D4A9797F50A0634594E56F747CB0A

CCE2B9D7DF91D626AF3778A66DD7D08569DA2BE1

5DDBBCE63794A5E35FFC6585CFDEEF59A2F990A31628EC906E70B8C8A97FB346

3072:j+2trX5nLGR4zDXM3Xz9T/JLj7vdxWTk5o6MVf1:lrVGRDRT/JP7veKaf1

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Generic archive extractor

SUSPICIOUS

Process drops legitimate windows executable

Starts a Microsoft application from unusual location

INFO

Executable content was dropped or overwritten

Manual execution by a user

Malware configuration

Static information

TRiD

EXIF

ZIP

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings