Malware analysis UpdateTaskZT Malicious activity | ANY.RUN

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File name:	UpdateTaskZT
Full analysis:	https://app.any.run/tasks/03fba160-83b4-471a-a202-bef652819f34
Verdict:	Malicious activity
Analysis date:	April 22, 2025, 12:14:16
OS:	Windows 10 Professional (build: 19044, 64 bit)
Tags:	auto generic
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows, 2 sections
MD5:	8F3972F98564FC9D1E3E5A3840A0DA85
SHA1:	90E87AF2BDFDF33E49EEA353480CB8DA362C450E
SHA256:	CBDFE04B8F754E5E6150936EE604F0A478B79C6D0466EE155775EAD575ADEA90
SSDEEP:	384:BP3hBk9n53Fu8V0lxjlE+eBiLw81pAr2YK9:inzgvLw7K9

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:: off
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 (16.0.15928.20198)
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 has been found (auto)
  - UpdateTaskZT.exe (PID: 4108)
SUSPICIOUS
- Executes application which crashes
  - UpdateTaskZT.exe (PID: 4108)
INFO
- Checks supported languages
  - UpdateTaskZT.exe (PID: 4108)
- Reads the machine GUID from the registry
  - UpdateTaskZT.exe (PID: 4108)
- Checks proxy server information
  - UpdateTaskZT.exe (PID: 4108)
  - slui.exe (PID: 1116)
- Reads Environment values
  - UpdateTaskZT.exe (PID: 4108)
- Reads the computer name
  - UpdateTaskZT.exe (PID: 4108)
- Disables trace logs
  - UpdateTaskZT.exe (PID: 4108)
- Reads the software policy settings
  - slui.exe (PID: 1116)
  - slui.exe (PID: 4652)
- Creates files or folders in the user directory
  - WerFault.exe (PID: 680)

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	\|	Generic Win/DOS Executable (50)
.exe	\|	DOS Executable Generic (49.9)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	2042:07:14 04:34:51+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32+
LinkerVersion:	48
CodeSize:	6144
InitializedDataSize:	2048
UninitializedDataSize:	-
EntryPoint:	0x0000
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI
FileVersionNumber:	5.345.34.36
ProductVersionNumber:	5.345.34.36
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
Comments:	-
CompanyName:	-
FileDescription:	Updater
FileVersion:	5.345.34.36
InternalName:	Updater.exe
LegalCopyright:	Copyright © 2024
LegalTrademarks:	-
OriginalFileName:	Updater.exe
ProductName:	Updater
ProductVersion:	5.345.34.36
AssemblyVersion:	5.345.34.36

No data.

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All screenshots are available in the full report

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Total processes

141

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

680

C:\WINDOWS\system32\WerFault.exe -u -p 4108 -s 1632

C:\Windows\System32\WerFault.exe

—

UpdateTaskZT.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Problem Reporting

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\werfault.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\oleaut32.dll

1116

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

Exit code:

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

3132

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

Exit code:

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

4108

"C:\Users\admin\UpdateTaskZT.exe"

C:\Users\admin\UpdateTaskZT.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Updater

Exit code:

3762504530

Version:

5.345.34.36

Modules

Images
c:\users\admin\updatetaskzt.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

4652

"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

Exit code:

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

5744

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

UCPDMgr.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Console Window Host

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

7000

"C:\WINDOWS\system32\UCPDMgr.exe"

C:\Windows\System32\UCPDMgr.exe

—

svchost.exe

User:

SYSTEM

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

User Choice Protection Manager

Exit code:

Version:

1.0.0.414301

Modules

Images
c:\windows\system32\ucpdmgr.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.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

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Total events

3 504

Read events

3 490

Write events

Delete events

Modification events


(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	FileTracingMask
Value:
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value:
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASMANCS
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(4108) UpdateTaskZT.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\UpdateTaskZT_RASMANCS
Operation:	write	Name:	EnableConsoleTracing
Value: 0

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
680	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_UpdateTaskZT.exe_1f6c99b64938d62bda278352cc269aa98a34e98_b03e96b6_5ab9ca1c-9cd5-4522-91c7-8fde9a5cb0ad\Report.wer		—
		MD5:—	SHA256:—
680	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\UpdateTaskZT.exe.4108.dmp		—
		MD5:—	SHA256:—
680	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERB58.tmp.WERInternalMetadata.xml		binary
		MD5:B2117E7C32ED65D715765EBE299ABC9C	SHA256:58FBBCD553C26F21991DBA79343E8E6986E0930F6258FF8D66A01B97AF37822B
680	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER8C7.tmp.dmp		binary
		MD5:B9E67CA1881E94FB259C1271623AEDEB	SHA256:DDE86EF165D6398F20073250110E5EE90BECC3FE7B8B5DE6514E2741E1B1E08E
680	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERB78.tmp.xml		xml
		MD5:424C77D29FB015104D4C54C7D20FE7E4	SHA256:CFD61AF7A360084A5BF798E6BCC1A931EF4C748207EB03F6D10517B56EB9CD04

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	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	DE	binary	868 b	whitelisted
6544	svchost.exe	GET	200	2.17.190.73:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	DE	binary	471 b	whitelisted
1804	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	DE	binary	419 b	whitelisted
1804	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	DE	binary	407 b	whitelisted
—	—	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	DE	binary	825 b	whitelisted

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

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
—	—	40.127.240.158:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
—	—	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
4108	UpdateTaskZT.exe	45.33.84.9:443	can.thisilient.com	Linode, LLC	US	unknown
3216	svchost.exe	172.211.123.249:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6544	svchost.exe	40.126.32.133:443	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
2104	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	40.127.240.158 20.73.194.208	whitelisted
google.com	142.250.185.78	whitelisted
crl.microsoft.com	23.48.23.156 23.48.23.143	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
can.thisilient.com	45.33.84.9	unknown
client.wns.windows.com	172.211.123.249 172.211.123.250	whitelisted
login.live.com	40.126.32.133 20.190.160.131 40.126.32.72 20.190.160.66 40.126.32.74 20.190.160.65 20.190.160.14 20.190.160.130	whitelisted
ocsp.digicert.com	2.17.190.73	whitelisted
slscr.update.microsoft.com	172.202.163.200	whitelisted
fe3cr.delivery.mp.microsoft.com	13.85.23.206	whitelisted

Threats

No threats detected

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No debug info

General Info

UpdateTaskZT

8F3972F98564FC9D1E3E5A3840A0DA85

90E87AF2BDFDF33E49EEA353480CB8DA362C450E

CBDFE04B8F754E5E6150936EE604F0A478B79C6D0466EE155775EAD575ADEA90

384:BP3hBk9n53Fu8V0lxjlE+eBiLw81pAr2YK9:inzgvLw7K9

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

GENERIC has been found (auto)

SUSPICIOUS

Executes application which crashes

INFO

Checks supported languages

Reads the machine GUID from the registry

Checks proxy server information

Reads Environment values

Reads the computer name

Disables trace logs

Reads the software policy settings

Creates files or folders in the user directory

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

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings