Malware analysis 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb Malicious activity

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File name:	9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb
Full analysis:	https://app.any.run/tasks/12a42929-e26e-4994-b87d-377c0b45a350
Verdict:	Malicious activity
Analysis date:	April 29, 2025, 04:08:33
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	tofsee
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:	2E86D35C14D089E0F7DB3A607D069682
SHA1:	B3C2E75A459E0132E9D2A967B1E6BA42AA8AFAD2
SHA256:	9B84B431218238C15ED9ED72286B1421D3C6D415AEBAAD4A7F84BC2D6AEBEDEB
SSDEEP:	49152:4cSqoeQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQZ:4Sc

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
- TOFSEE has been detected (YARA)
  - svchost.exe (PID: 6480)
- Changes the autorun value in the registry
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
SUSPICIOUS
- Detected use of alternative data streams (AltDS)
  - svchost.exe (PID: 6480)
- Connects to SMTP port
  - svchost.exe (PID: 6480)
- Executable content was dropped or overwritten
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
- Reads security settings of Internet Explorer
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
INFO
- Checks supported languages
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
  - pueztfce.exe (PID: 6048)
- Create files in a temporary directory
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
- Reads the computer name
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
  - pueztfce.exe (PID: 6048)
- Process checks computer location settings
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)
- The sample compiled with english language support
  - 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe (PID: 6808)

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

.exe	\|	Win32 Executable MS Visual C++ (generic) (46.3)
.exe	\|	Win64 Executable (generic) (41)
.exe	\|	Win32 Executable (generic) (6.6)
.exe	\|	Generic Win/DOS Executable (2.9)
.exe	\|	DOS Executable Generic (2.9)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:10:29 06:56:42+00:00
ImageFileCharacteristics:	No relocs, Executable, 32-bit
PEType:	PE32
LinkerVersion:	9
CodeSize:	144896
InitializedDataSize:	96162816
UninitializedDataSize:	-
EntryPoint:	0x44ab
OSVersion:	5
ImageVersion:	-
SubsystemVersion:	5
Subsystem:	Windows GUI
FileVersionNumber:	44.0.0.0
ProductVersionNumber:	44.0.0.0
FileFlagsMask:	0x003f
FileFlags:	Special build
FileOS:	Windows NT 32-bit
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Windows, Latin1
FileV:	44.0.0.56

No data.

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All screenshots are available in the full report

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Total processes

133

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

900

"C:\WINDOWS\SysWOW64\wusa.exe"

C:\Windows\SysWOW64\wusa.exe

9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

HIGH

Description:

Windows Update Standalone Installer

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\wusa.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\advapi32.dll

2268

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

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

5608

"C:\Windows\System32\wusa.exe"

C:\Windows\SysWOW64\wusa.exe

—

9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Update Standalone Installer

Exit code:

3221226540

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\wusa.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll

6048

"C:\Users\admin\pueztfce.exe" /d"C:\Users\admin\AppData\Local\Temp\9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe" /e550302100000007F

C:\Users\admin\pueztfce.exe

—

9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\pueztfce.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\user32.dll

6480

svchost.exe

C:\Windows\SysWOW64\svchost.exe

pueztfce.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\svchost.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\ws2_32.dll

6808

"C:\Users\admin\AppData\Local\Temp\9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe"

C:\Users\admin\AppData\Local\Temp\9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

2002934592

Modules

Images
c:\users\admin\appdata\local\temp\9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.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\user32.dll

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Total events

812

Read events

811

Write events

Delete events

Modification events


(PID) Process:	(6808) 9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	lmvukwof
Value: "C:\Users\admin\pueztfce.exe"

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6808	9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe	C:\Users\admin\AppData\Local\Temp\kbxevuyc.exe		executable
		MD5:BD542D5ED3133173DD1E8AE4B934485E	SHA256:71FD1166FC0CA2EF3852F1A49CB234DAD09F8DA71770AC26ECB92876848D6436
6808	9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb.exe	C:\Users\admin\pueztfce.exe		executable
		MD5:D24288A9213BCD4432CBF6D85AA08D19	SHA256:5BA95C82E4D839FF0FD312C5974F9C3EC406B5B2562239F3A04FE1E5C62D4DD2

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
5592	SIHClient.exe	GET	200	2.23.181.156:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
5592	SIHClient.exe	GET	200	2.23.181.156:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	23.63.118.230:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
—	—	GET	200	2.23.181.156:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
—	—	GET	200	23.32.238.107:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.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	System	192.168.100.255:137	—	—	—	whitelisted
2104	svchost.exe	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	4.231.128.59:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
—	—	23.32.238.107:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	2.23.181.156:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3216	svchost.exe	172.211.123.250:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	20.190.160.132:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	23.63.118.230:80	ocsp.digicert.com	AKAMAI-AS	DE	whitelisted
2104	svchost.exe	51.104.136.2:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	4.231.128.59 51.104.136.2	whitelisted
crl.microsoft.com	23.32.238.107 23.32.238.112	whitelisted
www.microsoft.com	2.23.181.156	whitelisted
google.com	142.250.185.174	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted
login.live.com	20.190.160.132 40.126.32.133 20.190.160.131 20.190.160.66 20.190.160.65 20.190.160.128 40.126.32.134 20.190.160.130	whitelisted
ocsp.digicert.com	23.63.118.230	whitelisted
slscr.update.microsoft.com	4.245.163.56	whitelisted
fe3cr.delivery.mp.microsoft.com	13.85.23.206	whitelisted
microsoft.com	13.107.246.59	whitelisted

Threats

No threats detected

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No debug info

General Info

9b84b431218238c15ed9ed72286b1421d3c6d415aebaad4a7f84bc2d6aebedeb

2E86D35C14D089E0F7DB3A607D069682

B3C2E75A459E0132E9D2A967B1E6BA42AA8AFAD2

9B84B431218238C15ED9ED72286B1421D3C6D415AEBAAD4A7F84BC2D6AEBEDEB

49152:4cSqoeQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQZ:4Sc

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

TOFSEE has been detected (YARA)

Changes the autorun value in the registry

SUSPICIOUS

Detected use of alternative data streams (AltDS)

Connects to SMTP port

Executable content was dropped or overwritten

Reads security settings of Internet Explorer

INFO

Checks supported languages

Create files in a temporary directory

Reads the computer name

Process checks computer location settings

The sample compiled with english language support

Malware configuration

Static information

TRiD

EXIF

EXE

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