Malware analysis Quick Assist Installer.exe Malicious activity

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File name:	Quick Assist Installer.exe
Full analysis:	https://app.any.run/tasks/b0f1a4d4-6640-44a0-84cd-56aba43ed75c
Verdict:	Malicious activity
Analysis date:	November 15, 2024, 01:45:34
OS:	Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:	3175944CB8467E125EE7412788437002
SHA1:	258C6705D1E97350BC3A9FF9BA8DD5787B27B3A9
SHA256:	5B568D4644638AE4ABEE6FB7EAFCA41565C1D3FB90C71B3A99FF59D06E6689BA
SSDEEP:	12288:GmKtbXqINdtwTKtwK+pvSriDnyzPS3ckKtwABr:ZKxdNdtw+twK+5Sri4lvtwABr

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:: 240 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 180 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
No malicious indicators.
SUSPICIOUS
- Reads security settings of Internet Explorer
  - Quick Assist Installer.exe (PID: 3276)
- Process drops legitimate windows executable
  - Quick Assist Installer.exe (PID: 3276)
- Starts a Microsoft application from unusual location
  - Quick Assist Installer.exe (PID: 3276)
INFO
- Checks supported languages
  - Quick Assist Installer.exe (PID: 3276)
- Process checks computer location settings
  - Quick Assist Installer.exe (PID: 3276)
- Disables trace logs
  - Quick Assist Installer.exe (PID: 3276)
- Reads the computer name
  - Quick Assist Installer.exe (PID: 3276)
- Checks proxy server information
  - Quick Assist Installer.exe (PID: 3276)
- Reads Environment values
  - Quick Assist Installer.exe (PID: 3276)
- Reads the software policy settings
  - Quick Assist Installer.exe (PID: 3276)
- Reads the machine GUID from the registry
  - Quick Assist Installer.exe (PID: 3276)

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	\|	Win64 Executable (generic) (64.6)
.dll	\|	Win32 Dynamic Link Library (generic) (15.4)
.exe	\|	Win32 Executable (generic) (10.5)
.exe	\|	Generic Win/DOS Executable (4.6)
.exe	\|	DOS Executable Generic (4.6)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2084:07:13 00:40:23+00:00
ImageFileCharacteristics:	Executable, Large address aware
PEType:	PE32
LinkerVersion:	48
CodeSize:	952832
InitializedDataSize:	75776
UninitializedDataSize:	-
EntryPoint:	0xea89e
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	6
Subsystem:	Windows GUI
FileVersionNumber:	22409.912.1.0
ProductVersionNumber:	22409.912.1.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
CompanyName:	Microsoft Corporation
FileDescription:	Store Installer
FileVersion:	22409.912.1.0
InternalName:	StoreInstaller.exe
LegalCopyright:	© Microsoft Corporation. All rights reserved.
OriginalFileName:	StoreInstaller.exe
ProductName:	Store Installer
ProductVersion:	22409.0912.01.0+940aaeaf2eea71f6d4941028bf83aa6f7d399f13
AssemblyVersion:	22409.912.1.0

No data.

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All screenshots are available in the full report

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Total processes

139

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2784

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

3276

"C:\Users\admin\AppData\Local\Temp\Quick Assist Installer.exe"

C:\Users\admin\AppData\Local\Temp\Quick Assist Installer.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Store Installer

Version:

22409.912.1.0

Modules

Images
c:\users\admin\appdata\local\temp\quick assist installer.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

6272

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

6400

"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

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Total events

3 663

Read events

3 646

Write events

Delete events

Modification events


(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	EnableConsoleTracing
Value: 0
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	FileTracingMask
Value:
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	ConsoleTracingMask
Value:
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	MaxFileSize
Value: 1048576
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASAPI32
Operation:	write	Name:	FileDirectory
Value: %windir%\tracing
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASMANCS
Operation:	write	Name:	EnableFileTracing
Value: 0
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_RASMANCS
Operation:	write	Name:	EnableAutoFileTracing
Value: 0
(PID) Process:	(3276) Quick Assist Installer.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Quick Assist Installer_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
3276	Quick Assist Installer.exe	C:\Users\admin\AppData\Local\Temp\TmpC82C.tmp		text
		MD5:A10F31FA140F2608FF150125F3687920	SHA256:28C871238311D40287C51DC09AEE6510CAC5306329981777071600B1112286C6
3276	Quick Assist Installer.exe	C:\Users\admin\AppData\Local\Temp\TmpC7CD.tmp		text
		MD5:A10F31FA140F2608FF150125F3687920	SHA256:28C871238311D40287C51DC09AEE6510CAC5306329981777071600B1112286C6

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
5488	MoUsoCoreWorker.exe	GET	200	23.216.77.28:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
5488	MoUsoCoreWorker.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
4360	SearchApp.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
3952	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted
—	—	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
3952	SIHClient.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
944	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%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
1280	RUXIMICS.exe	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
—	—	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
5488	MoUsoCoreWorker.exe	23.216.77.28:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
5488	MoUsoCoreWorker.exe	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
6944	svchost.exe	4.231.128.59:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted
4020	svchost.exe	239.255.255.250:1900	—	—	—	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
3276	Quick Assist Installer.exe	23.35.237.194:443	storesdk.dsx.mp.microsoft.com	AKAMAI-AS	DE	whitelisted
3276	Quick Assist Installer.exe	23.35.229.133:443	store-images.s-microsoft.com	AKAMAI-AS	DE	whitelisted

DNS requests

Domain	IP	Reputation
crl.microsoft.com	23.216.77.28 23.216.77.6	whitelisted
www.microsoft.com	184.30.21.171	whitelisted
google.com	172.217.18.14	whitelisted
storesdk.dsx.mp.microsoft.com	23.35.237.194	whitelisted
store-images.s-microsoft.com	23.35.229.133	whitelisted
www.bing.com	92.123.104.34 92.123.104.32	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
displaycatalog.mp.microsoft.com	20.82.228.9	whitelisted
login.live.com	40.126.32.133 40.126.32.76 40.126.32.72 40.126.32.68 40.126.32.140 40.126.32.134 20.190.160.20 20.190.160.17	whitelisted
th.bing.com	92.123.104.34 92.123.104.32	whitelisted

Threats

No threats detected

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No debug info

General Info

Quick Assist Installer.exe

3175944CB8467E125EE7412788437002

258C6705D1E97350BC3A9FF9BA8DD5787B27B3A9

5B568D4644638AE4ABEE6FB7EAFCA41565C1D3FB90C71B3A99FF59D06E6689BA

12288:GmKtbXqINdtwTKtwK+pvSriDnyzPS3ckKtwABr:ZKxdNdtw+twK+5Sri4lvtwABr

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

SUSPICIOUS

Reads security settings of Internet Explorer

Process drops legitimate windows executable

Starts a Microsoft application from unusual location

INFO

Checks supported languages

Process checks computer location settings

Disables trace logs

Reads the computer name

Checks proxy server information

Reads Environment values

Reads the software policy settings

Reads the machine GUID from the registry

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings