Malware analysis svchost.exe Malicious activity | ANY.RUN

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File name:	svchost.exe
Full analysis:	https://app.any.run/tasks/3a453e55-ad1c-47f7-b19d-aee7b831adac
Verdict:	Malicious activity
Threats:	AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. Malware Trends Tracker >>>
Analysis date:	December 14, 2024, 09:44:01
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	asyncrat
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:	67CA41C73D556CC4CFC67FC5B425BBBD
SHA1:	ADA7F812CD581C493630ECA83BF38C0F8B32B186
SHA256:	23D2E491A8C7F2F7F344764E6879D9566C9A3E55A3788038E48B346C068DDE5B
SSDEEP:	1536:4SSVOFj4gCny3s5z1rs83GbbUw5LWA1pqKmY7:4SSVOGgCny3EzBR3GbbUoOz

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
Client LanguagePack Package
DotNetRollup
DotNetRollup 481
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
Hello Face Package
InternetExplorer Optional 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
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MSPaint FoD Package
MediaPlayer Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
Notepad FoD Package
OpenSSH Client Package
OpenSSH Client Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing PMCPPC FoD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
Printing WFS FoD Package
ProfessionalEdition
ProfessionalEdition
QuickAssist Package
QuickAssist Package
RollupFix
RollupFix
ServicingStack
ServicingStack
ServicingStack 3989
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
StepsRecorder Package
TabletPCMath Package
TabletPCMath Package
UserExperience Desktop Package
UserExperience Desktop Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package
WordPad FoD Package

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MALICIOUS
- ASYNCRAT has been detected (YARA)
  - svchost.exe (PID: 1864)
SUSPICIOUS
- Process drops legitimate windows executable
  - svchost.exe (PID: 1864)
- The process creates files with name similar to system file names
  - WerFault.exe (PID: 6492)
- Starts a Microsoft application from unusual location
  - svchost.exe (PID: 1864)
- Executes application which crashes
  - svchost.exe (PID: 1864)
INFO
- Sends debugging messages
  - svchost.exe (PID: 1864)
- Checks supported languages
  - svchost.exe (PID: 1864)
- Checks proxy server information
  - WerFault.exe (PID: 6492)
- Creates files or folders in the user directory
  - WerFault.exe (PID: 6492)
- Reads the machine GUID from the registry
  - svchost.exe (PID: 1864)
- Reads the software policy settings
  - WerFault.exe (PID: 6492)
- Reads the computer name
  - svchost.exe (PID: 1864)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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AsyncRat

(PID) Process(1864) svchost.exe

C2 (1)51.89.44.68

Ports (1)8848

Version1.0.7

Options

AutoRuntrue

Mutexetb3t1tr5n

InstallFolder%Temp%

Certificates

Cert1MIICKzCCAZSgAwIBAgIVALyXBdFrd+RZ3+qdeoUf09MOZZyjMA0GCSqGSIb3DQEBDQUAMF8xEDAOBgNVBAMMB2RlZWphdnUxEzARBgNVBAsMCnF3cWRhbmNodW4xHDAaBgNVBAoME0RjUmF0IEJ5IHF3cWRhbmNodW4xCzAJBgNVBAcMAlNIMQswCQYDVQQGEwJDTjAeFw0yNDAyMjYwODM2NDhaFw0zNDEyMDUwODM2NDhaMBAxDjAMBgNVBAMMBURjUmF0MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKB...

Server_SignatureTgOPkoSwK50ROL73TIpqMjhVitaE57QcwTult9vLNILRIrVCY/vBZYLwQCNT33NmMQG0jNBBHbvw/4wy7BckYa8zQCUKS+IAyG6llcuwMMlU90EILj05Fxf+hcTpljihzyJLdY/g7vGbQp50Ejelt1z28kvim/7J2Kobrr6sanM=

Keys

AES8a980cbf6ab81c7697102d9a41d5b3a4d533d5185844855cb1b55f1d6585bf4e

SaltDcRatByqwqdanchun

No Malware configuration.

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TRiD

.exe	\|	Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe	\|	Win64 Executable (generic) (21.3)
.scr	\|	Windows screen saver (10.1)
.dll	\|	Win32 Dynamic Link Library (generic) (5)
.exe	\|	Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion:	6.2.26100.1150
ProductVersion:	6.2.26100.1150
ProductName:	Microsoft® Windows® Operating System
OriginalFileName:	svchost.exe
LegalTrademarks:	-
LegalCopyright:	© Microsoft Corporation. All rights reserved.
InternalName:	svchost.exe
FileVersion:	6.2.26100.1150
FileDescription:	Host Process for Windows Services
CompanyName:	Microsoft Corporation
Comments:	-
CharacterSet:	Unicode
LanguageCode:	Neutral
FileSubtype:	-
ObjectFileType:	Executable application
FileOS:	Win32
FileFlags:	(none)
FileFlagsMask:	0x003f
ProductVersionNumber:	6.2.26100.1150
FileVersionNumber:	6.2.26100.1150
Subsystem:	Windows GUI
SubsystemVersion:	4
ImageVersion:	-
OSVersion:	4
EntryPoint:	0x1090e
UninitializedDataSize:	-
InitializedDataSize:	4608
CodeSize:	59904
LinkerVersion:	8
PEType:	PE32
ImageFileCharacteristics:	Executable
TimeStamp:	2024:11:21 00:47:54+00:00
MachineType:	Intel 386 or later, and compatibles

No data.

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All screenshots are available in the full report

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Total processes

131

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1864

"C:\Users\admin\AppData\Local\Temp\svchost.exe"

C:\Users\admin\AppData\Local\Temp\svchost.exe

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Host Process for Windows Services

Exit code:

2148734499

Version:

6.2.26100.1150

Modules

Images
c:\users\admin\appdata\local\temp\svchost.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

AsyncRat

(PID) Process(1864) svchost.exe

C2 (1)51.89.44.68

Ports (1)8848

Version1.0.7

Options

AutoRuntrue

Mutexetb3t1tr5n

InstallFolder%Temp%

Certificates

Server_SignatureTgOPkoSwK50ROL73TIpqMjhVitaE57QcwTult9vLNILRIrVCY/vBZYLwQCNT33NmMQG0jNBBHbvw/4wy7BckYa8zQCUKS+IAyG6llcuwMMlU90EILj05Fxf+hcTpljihzyJLdY/g7vGbQp50Ejelt1z28kvim/7J2Kobrr6sanM=

Keys

AES8a980cbf6ab81c7697102d9a41d5b3a4d533d5185844855cb1b55f1d6585bf4e

SaltDcRatByqwqdanchun

6492

C:\WINDOWS\system32\WerFault.exe -u -p 1864 -s 1244

C:\Windows\System32\WerFault.exe

svchost.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\cryptsp.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll

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Total events

3 597

Read events

3 597

Write events

Delete events

Modification events

No data

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
6492	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_svchost.exe_26dacd3f4f67e47739badf514e5a52ba36391642_7a76fa63_7ffbf104-7c9d-450c-ad8d-a883b4e1362c\Report.wer		—
		MD5:—	SHA256:—
6492	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\svchost.exe.1864.dmp		—
		MD5:—	SHA256:—
6492	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785		der
		MD5:F6F53CD09A41E968C363419B279D3112	SHA256:6D2BB01CC7A9BADE2113B219CAC1BDA86B2733196B7E1BD0C807CE1E396B1892
6492	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE		binary
		MD5:FCAAAF35C09470E076CDD4E20B09F27B	SHA256:F44550CB3478035D500079D1D81B65B9902ED5B548B16F00C93446F58828F3C7
6492	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE		der
		MD5:FA84E4BCC92AA5DB735AB50711040CDE	SHA256:6D7205E794FDE4219A62D9692ECDDF612663A5CF20399E79BE87B851FCA4CA33
6492	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER5EBD.tmp.dmp		binary
		MD5:1C98EA3FE1736AFEF01FC7E51F4A1294	SHA256:B0211E6894166CB45A39D778FA293E7B40643F60D37DAE25D4E567DFC7AEB123
6492	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER6055.tmp.xml		xml
		MD5:FA50071BD378D5101C0E09C66EF7AC05	SHA256:8C12F3EE0A8009CE50AC86D9E41D7E4A23A982B93FF850F258B9DCF9EF486656
6492	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785		binary
		MD5:663678741A577110466FAC1335DD02F9	SHA256:374B781FC372E0F434E6A3E0248C0A20AE70764CCA24963916EEF2D78B8BA793
6492	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WER6016.tmp.WERInternalMetadata.xml		xml
		MD5:443684500C0A05E011D8474F285775ED	SHA256:69F858C8983923E450EB941CCC7453955B6465C3F7B487A1436B620F96810E47

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
6492	WerFault.exe	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
6492	WerFault.exe	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
1176	svchost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
—	—	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
—	—	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
—	—	GET	200	184.30.21.171:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
1480	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
2828	SIHClient.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
1480	backgroundTaskHost.exe	GET	200	192.229.221.95:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
2828	SIHClient.exe	GET	200	88.221.169.152:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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
4308	svchost.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	192.168.100.255:137	—	—	—	whitelisted
4712	MoUsoCoreWorker.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
—	—	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5064	SearchApp.exe	104.126.37.139:443	www.bing.com	Akamai International B.V.	DE	whitelisted
—	—	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
—	—	192.229.221.95:80	ocsp.digicert.com	EDGECAST	US	whitelisted
—	—	184.30.21.171:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1176	svchost.exe	40.126.31.71:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	IE	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.124.78.146 51.104.136.2 4.231.128.59	whitelisted
google.com	142.250.185.206	whitelisted
www.bing.com	104.126.37.139 104.126.37.161 104.126.37.160 104.126.37.153 104.126.37.144 104.126.37.136 104.126.37.152 104.126.37.185 104.126.37.155	whitelisted
crl.microsoft.com	23.48.23.156 23.48.23.143	whitelisted
ocsp.digicert.com	192.229.221.95	whitelisted
www.microsoft.com	184.30.21.171 88.221.169.152	whitelisted
login.live.com	40.126.31.71 20.190.159.4 40.126.31.73 40.126.31.67 20.190.159.68 20.190.159.73 20.190.159.75 20.190.159.2	whitelisted
go.microsoft.com	23.35.238.131	whitelisted
watson.events.data.microsoft.com	20.42.73.29	whitelisted
arc.msn.com	20.223.35.26	whitelisted

Threats

No threats detected

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Process	Message
svchost.exe	CLR: Managed code called FailFast without specifying a reason.

General Info

svchost.exe

67CA41C73D556CC4CFC67FC5B425BBBD

ADA7F812CD581C493630ECA83BF38C0F8B32B186

23D2E491A8C7F2F7F344764E6879D9566C9A3E55A3788038E48B346C068DDE5B

1536:4SSVOFj4gCny3s5z1rs83GbbUw5LWA1pqKmY7:4SSVOGgCny3EzBR3GbbUoOz

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

ASYNCRAT has been detected (YARA)

SUSPICIOUS

Process drops legitimate windows executable

The process creates files with name similar to system file names

Starts a Microsoft application from unusual location

Executes application which crashes

INFO

Sends debugging messages

Checks supported languages

Checks proxy server information

Creates files or folders in the user directory

Reads the machine GUID from the registry

Reads the software policy settings

Reads the computer name

Malware configuration

AsyncRat

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Malware configuration

AsyncRat

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings