Malware analysis ntuser.dat Malicious activity | ANY.RUN

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File name:	ntuser.dat
Full analysis:	https://app.any.run/tasks/ae904901-710c-4cee-8562-330b72ae1158
Verdict:	Malicious activity
Analysis date:	June 30, 2024, 07:24:10
OS:	Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME:	application/octet-stream
File info:	MS Windows registry file, NT/2000 or above
MD5:	B9F974B2EBCFF3AB3FF2A092431848D6
SHA1:	8E7F2004F5C686E22175B274D75A2F2F7E7C6C49
SHA256:	3739A7E82F472DB6C874AB1B3DAAA38983AE60AA1A104FF3F4F4A12234DBC073
SSDEEP:	6144:nNzIUqx2hfCp0yti7z1x1K+PKE/rNITu+8d1908R1fcMZvPVQZzXGb:nd/a1jtiH1TJPKE/rN/+8d1931hPWZL

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:: 300 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 240 seconds
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 (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
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
No malicious indicators.
SUSPICIOUS
- Searches for installed software
  - regedit.exe (PID: 640)
- The process checks if it is being run in the virtual environment
  - regedit.exe (PID: 640)
- Reads the history of recent RDP connections
  - regedit.exe (PID: 640)
- Reads Microsoft Outlook installation path
  - regedit.exe (PID: 640)
- Checks for the .NET to be installed
  - regedit.exe (PID: 640)
INFO
- Checks supported languages
  - TextInputHost.exe (PID: 1332)
- Reads Microsoft Office registry keys
  - OpenWith.exe (PID: 5124)
  - regedit.exe (PID: 640)
- Reads the computer name
  - TextInputHost.exe (PID: 1332)
- Manual execution by a user
  - regedit.exe (PID: 640)
  - regedit.exe (PID: 1200)
- Reads security settings of Internet Explorer
  - regedit.exe (PID: 640)
- Disables trace logs
  - regedit.exe (PID: 640)
- Reads Windows Product ID
  - regedit.exe (PID: 640)
- Reads the machine GUID from the registry
  - regedit.exe (PID: 640)
- Checks transactions between databases Windows and Oracle
  - regedit.exe (PID: 640)

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

.hiv/dat	\|	Windows NT Registry Hive (generic) (100)

No data.

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All screenshots are available in the full report

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Total processes

146

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

640

"C:\WINDOWS\regedit.exe"

C:\Windows\regedit.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Registry Editor

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\regedit.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\gdi32.dll

1200

"C:\WINDOWS\regedit.exe"

C:\Windows\regedit.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Registry Editor

Exit code:

3221226540

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\regedit.exe
c:\windows\system32\ntdll.dll

1332

"C:\WINDOWS\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe" -ServerName:InputApp.AppXjd5de1g66v206tj52m9d0dtpppx4cgpn.mca

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TextInputHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Version:

123.26505.0.0

Modules

Images
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\textinputhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\systemapps\microsoftwindows.client.cbs_cw5n1h2txyewy\vcruntime140_app.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll

5124

"C:\WINDOWS\System32\OpenWith.exe" C:\Users\admin\Desktop\ntuser.dat

C:\Windows\System32\OpenWith.exe

—

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Pick an app

Exit code:

2147943623

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\openwith.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

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Total events

313 793

Read events

313 700

Write events

Delete events

Modification events


(PID) Process:	(5124) OpenWith.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\3c\52C64B7E
Operation:	write	Name:	@C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\Office16\oregres.dll,-205
Value: Word
(PID) Process:	(5124) OpenWith.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\MuiCache\3c\52C64B7E
Operation:	write	Name:	@wmploc.dll,-102
Value: Windows Media Player
(PID) Process:	(640) regedit.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:	write	Name:	NodeSlots
Value: 0202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202
(PID) Process:	(640) regedit.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Operation:	write	Name:	MRUListEx
Value: 040000000E00000003000000000000000C0000000D0000000B000000050000000A000000090000000800000001000000070000000600000002000000FFFFFFFF
(PID) Process:	(640) regedit.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\4
Operation:	write	Name:	MRUListEx
Value: 040000000000000005000000020000000100000003000000FFFFFFFF
(PID) Process:	(640) regedit.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\119\Shell
Operation:	write	Name:	SniffedFolderType
Value: Documents
(PID) Process:	(640) regedit.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	ProxyBypass
Value: 1
(PID) Process:	(640) regedit.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	IntranetName
Value: 1
(PID) Process:	(640) regedit.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 1
(PID) Process:	(640) regedit.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

No data

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
1544	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	unknown
1304	SIHClient.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	unknown
4392	MoUsoCoreWorker.exe	GET	200	95.101.149.131:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	unknown
1304	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	—	—	unknown
6036	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	unknown
1496	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	unknown
3040	OfficeClickToRun.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D	unknown	—	—	unknown
4392	MoUsoCoreWorker.exe	GET	200	2.16.164.106:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	unknown

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
3868	svchost.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
6072	RUXIMICS.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
4392	MoUsoCoreWorker.exe	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	unknown
4	System	192.168.100.255:138	—	—	—	whitelisted
4032	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
4656	SearchApp.exe	2.23.209.185:443	th.bing.com	Akamai International B.V.	GB	whitelisted
4656	SearchApp.exe	2.23.209.189:443	th.bing.com	Akamai International B.V.	GB	unknown
1544	svchost.exe	40.126.32.134:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1544	svchost.exe	192.229.221.95:80	—	EDGECAST	US	whitelisted

DNS requests

Domain	IP	Reputation
login.live.com	40.126.32.134 40.126.32.74 20.190.160.20 40.126.32.68 40.126.32.133 40.126.32.140 40.126.32.138 40.126.32.136	whitelisted
fp.msedge.net	204.79.197.222	whitelisted
go.microsoft.com	184.28.89.167	whitelisted
th.bing.com	2.23.209.182 2.23.209.185 2.23.209.189 2.23.209.176 2.23.209.149 2.23.209.179 2.23.209.177 2.23.209.148 2.23.209.187	whitelisted
self.events.data.microsoft.com	20.50.201.204	whitelisted
settings-win.data.microsoft.com	40.127.240.158	whitelisted
crl.microsoft.com	2.16.164.106 2.16.164.120	whitelisted
www.microsoft.com	95.101.149.131	whitelisted
arc.msn.com	20.223.36.55 20.223.35.26	whitelisted
slscr.update.microsoft.com	20.12.23.50	whitelisted

Threats

No threats detected

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No debug info

General Info

ntuser.dat

B9F974B2EBCFF3AB3FF2A092431848D6

8E7F2004F5C686E22175B274D75A2F2F7E7C6C49

3739A7E82F472DB6C874AB1B3DAAA38983AE60AA1A104FF3F4F4A12234DBC073

6144:nNzIUqx2hfCp0yti7z1x1K+PKE/rNITu+8d1908R1fcMZvPVQZzXGb:nd/a1jtiH1TJPKE/rN/+8d1931hPWZL

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Searches for installed software

The process checks if it is being run in the virtual environment

Reads the history of recent RDP connections

Reads Microsoft Outlook installation path

Checks for the .NET to be installed

INFO

Checks supported languages

Reads Microsoft Office registry keys

Reads the computer name

Manual execution by a user

Reads security settings of Internet Explorer

Disables trace logs

Reads Windows Product ID

Reads the machine GUID from the registry

Checks transactions between databases Windows and Oracle

Malware configuration

Static information

TRiD

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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