Malware analysis build.zip Malicious activity | ANY.RUN

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File name:	build.zip
Full analysis:	https://app.any.run/tasks/c6461eaa-8a59-4016-9b16-ea24e2ed9a51
Verdict:	Malicious activity
Threats:	Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. Malware Trends Tracker >>>
Analysis date:	May 15, 2025, 20:49:01
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	stealer ms-smartcard
Indicators:
MIME:	application/zip
File info:	Zip archive data, at least v1.0 to extract, compression method=store
MD5:	FBF009F7C93A879C70E565513AABCC35
SHA1:	878024A4D28A74FD74A9034A0BCE45974DB19404
SHA256:	B6FF0B5C35650CF620EB0BE1E95ED1F6614D34B1E23773074EEBA03CF188EE84
SSDEEP:	98304:BdJSJldMNxYUPvczz8o8r7WK3qju88ZlzrtkGVmAO9kactv2YXZN5MjZxUkjv3bj:lEhh

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:: off
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
- Actions looks like stealing of personal data
  - UserOOBEBroker.exe (PID: 7152)
- Steals credentials from Web Browsers
  - UserOOBEBroker.exe (PID: 7152)
SUSPICIOUS
- Executable content was dropped or overwritten
  - build.exe (PID: 6192)
  - UserOOBEBroker.exe (PID: 7152)
- The process creates files with name similar to system file names
  - build.exe (PID: 6192)
- Starts itself from another location
  - build.exe (PID: 6192)
  - UserOOBEBroker.exe (PID: 7152)
- Connects to unusual port
  - UserOOBEBroker.exe (PID: 7152)
INFO
- Checks supported languages
  - build.exe (PID: 6192)
  - UserOOBEBroker.exe (PID: 7152)
  - UserOOBEBroker.exe (PID: 744)
  - UserOOBEBroker.exe (PID: 5380)
- Manual execution by a user
  - build.exe (PID: 6192)
- Executable content was dropped or overwritten
  - WinRAR.exe (PID: 5116)
- Reads the computer name
  - build.exe (PID: 6192)
  - UserOOBEBroker.exe (PID: 7152)
  - UserOOBEBroker.exe (PID: 5380)
  - UserOOBEBroker.exe (PID: 744)
- Creates files or folders in the user directory
  - build.exe (PID: 6192)
- Reads the machine GUID from the registry
  - build.exe (PID: 6192)
  - UserOOBEBroker.exe (PID: 7152)
  - UserOOBEBroker.exe (PID: 744)
  - UserOOBEBroker.exe (PID: 5380)
- Creates files in the program directory
  - build.exe (PID: 6192)
  - UserOOBEBroker.exe (PID: 7152)
- Create files in a temporary directory
  - UserOOBEBroker.exe (PID: 7152)
- Reads the software policy settings
  - UserOOBEBroker.exe (PID: 7152)

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

.zip	\|	ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion:	10
ZipBitFlag:	-
ZipCompression:	None
ZipModifyDate:	2025:05:15 23:45:54
ZipCRC:	0x9aa9df73
ZipCompressedSize:	14
ZipUncompressedSize:	14
ZipFileName:	PASSWORD: 5830

No data.

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All screenshots are available in the full report

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Total processes

140

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

744

"C:\Program Files (x86)\Microsoft\Edge\Application\UserOOBEBroker.exe" -

C:\Program Files (x86)\Microsoft\Edge\Application\UserOOBEBroker.exe

—

UserOOBEBroker.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\program files (x86)\microsoft\edge\application\useroobebroker.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\bcryptprimitives.dll

5116

"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\build.zip

C:\Program Files\WinRAR\WinRAR.exe

explorer.exe

User:

admin

Company:

Alexander Roshal

Integrity Level:

MEDIUM

Description:

WinRAR archiver

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

5380

"C:\Program Files\Google\Chrome\Application\UserOOBEBroker.exe" -

C:\Program Files\Google\Chrome\Application\UserOOBEBroker.exe

—

UserOOBEBroker.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\program files\google\chrome\application\useroobebroker.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\bcryptprimitives.dll

6192

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

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

explorer.exe

User:

admin

Integrity Level:

HIGH

Exit code:

Modules

Images
c:\users\admin\desktop\build.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\bcryptprimitives.dll

7152

"C:\Program Files (x86)\WindowsPowerShell\UserOOBEBroker.exe"

C:\Program Files (x86)\WindowsPowerShell\UserOOBEBroker.exe

build.exe

User:

admin

Integrity Level:

HIGH

Modules

Images
c:\program files (x86)\windowspowershell\useroobebroker.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\bcryptprimitives.dll

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Total events

7 972

Read events

7 963

Write events

Delete events

Modification events


(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	3
Value: C:\Users\admin\Desktop\preferences.zip
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	2
Value: C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	1
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:	write	Name:	0
Value: C:\Users\admin\AppData\Local\Temp\build.zip
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	name
Value: 120
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	size
Value: 80
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	type
Value: 120
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:	write	Name:	mtime
Value: 100
(PID) Process:	(5116) WinRAR.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface
Operation:	write	Name:	ShowPassword
Value: 0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6192	build.exe	C:\Users\admin\AppData\Local\Comms\TextInputHost.exe		executable
		MD5:A5E6B60E3A6483905C7E7D121917A8DA	SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3
5116	WinRAR.exe	C:\Users\admin\AppData\Local\Temp\Rar$DRb5116.46431\build.exe		executable
		MD5:A5E6B60E3A6483905C7E7D121917A8DA	SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3
7152	UserOOBEBroker.exe	C:\Program Files\Google\Chrome\Application\UserOOBEBroker.exe		executable
		MD5:A5E6B60E3A6483905C7E7D121917A8DA	SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3
7152	UserOOBEBroker.exe	C:\Program Files (x86)\Microsoft\Edge\Application\UserOOBEBroker.exe		executable
		MD5:A5E6B60E3A6483905C7E7D121917A8DA	SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3
6192	build.exe	C:\Program Files (x86)\WindowsPowerShell\UserOOBEBroker.exe		executable
		MD5:A5E6B60E3A6483905C7E7D121917A8DA	SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3
6192	build.exe	C:\Users\admin\AppData\Local\ElevatedDiagnostics\svchost.exe		executable
		MD5:A5E6B60E3A6483905C7E7D121917A8DA	SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3

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
5496	MoUsoCoreWorker.exe	GET	200	23.48.23.143:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5496	MoUsoCoreWorker.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
—	—	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
4736	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
4736	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	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
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
5496	MoUsoCoreWorker.exe	23.48.23.143:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
5496	MoUsoCoreWorker.exe	23.35.229.160:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
—	—	23.35.229.160:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3216	svchost.exe	172.211.123.249:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	20.190.160.4:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	2.17.190.73:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
6192	build.exe	1.1.1.1:443	—	—	—	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.186.78	whitelisted
settings-win.data.microsoft.com	4.231.128.59 51.124.78.146	whitelisted
crl.microsoft.com	23.48.23.143 23.48.23.194 23.48.23.180 23.48.23.176 23.48.23.177 23.48.23.159 23.48.23.141	whitelisted
www.microsoft.com	23.35.229.160 95.101.149.131	whitelisted
client.wns.windows.com	172.211.123.249	whitelisted
login.live.com	20.190.160.4 20.190.160.66 20.190.160.20 20.190.160.132 20.190.160.5 20.190.160.3 40.126.32.138 20.190.160.14	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
go.microsoft.com	95.100.186.9	whitelisted
slscr.update.microsoft.com	4.175.87.197	whitelisted
fe3cr.delivery.mp.microsoft.com	40.69.42.241	whitelisted

Threats

No threats detected

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No debug info

General Info

build.zip

FBF009F7C93A879C70E565513AABCC35

878024A4D28A74FD74A9034A0BCE45974DB19404

B6FF0B5C35650CF620EB0BE1E95ED1F6614D34B1E23773074EEBA03CF188EE84

98304:BdJSJldMNxYUPvczz8o8r7WK3qju88ZlzrtkGVmAO9kactv2YXZN5MjZxUkjv3bj:lEhh

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Actions looks like stealing of personal data

Steals credentials from Web Browsers

SUSPICIOUS

Executable content was dropped or overwritten

The process creates files with name similar to system file names

Starts itself from another location

Connects to unusual port

INFO

Checks supported languages

Manual execution by a user

Executable content was dropped or overwritten

Reads the computer name

Creates files or folders in the user directory

Reads the machine GUID from the registry

Creates files in the program directory

Create files in a temporary directory

Reads the software policy settings

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings