Malware analysis dismhost.exe Malicious activity | ANY.RUN

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File name:	dismhost.exe
Full analysis:	https://app.any.run/tasks/ff90c323-7786-47b2-ab36-5a2028e4b09b
Verdict:	Malicious activity
Analysis date:	October 17, 2025, 09:52:03
OS:	Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32+ executable (GUI) x86-64, for MS Windows, 8 sections
MD5:	6FF9EBDF9A8057C53DDDD38351DD7130
SHA1:	56FB74C5678E369E32E33B1A7EC074E1134F9369
SHA256:	7684EF83BE952B24230F0B4A2F614EEA72177EB17118E7303E2DA9EB3ADCAC9F
SSDEEP:	3072:T0iJkHOVPcoGtx3WfMMMMMMh2Z8BeduMMMMMMhYbCUgU0g35BMFYkF:T3J+oPDXBedJbCUgUZMykF

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 (133.0.6943.127)
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 (133.0.3065.92)
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) (136.0)
Mozilla Maintenance Service (136.0)
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)
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
- Executing a file with an untrusted certificate
  - dismhost.exe (PID: 2720)
SUSPICIOUS
- Process drops legitimate windows executable
  - dismhost.exe (PID: 2720)
- Starts a Microsoft application from unusual location
  - dismhost.exe (PID: 2720)
- Executes application which crashes
  - dismhost.exe (PID: 2720)
- The process creates files with name similar to system file names
  - WerFault.exe (PID: 7916)
INFO
- The sample compiled with english language support
  - dismhost.exe (PID: 2720)
- Checks supported languages
  - dismhost.exe (PID: 2720)
- Reads the computer name
  - dismhost.exe (PID: 2720)
- Checks proxy server information
  - WerFault.exe (PID: 7916)
- Reads the software policy settings
  - WerFault.exe (PID: 7916)
- Creates files or folders in the user directory
  - WerFault.exe (PID: 7916)

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) (87.3)
.exe	\|	Generic Win/DOS Executable (6.3)
.exe	\|	DOS Executable Generic (6.3)

EXIF

EXE

MachineType:	AMD AMD64
TimeStamp:	1976:10:01 14:14:40+00:00
ImageFileCharacteristics:	Executable, Large address aware, Removable run from swap, Net run from swap
PEType:	PE32+
LinkerVersion:	14.44
CodeSize:	94208
InitializedDataSize:	69632
UninitializedDataSize:	-
EntryPoint:	0x1430
OSVersion:	10
ImageVersion:	10
SubsystemVersion:	6
Subsystem:	Windows GUI
FileVersionNumber:	10.0.27971.1
ProductVersionNumber:	10.0.27971.1
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Windows NT 32-bit
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Unicode
CompanyName:	Microsoft Corporation
FileDescription:	Dism Host Servicing Process
FileVersion:	10.0.27971.1 (WinBuild.160101.0800)
InternalName:	dismhost
LegalCopyright:	© Microsoft Corporation. All rights reserved.
OriginalFileName:	DismHost.exe
ProductName:	Microsoft® Windows® Operating System
ProductVersion:	10.0.27971.1

No data.

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All screenshots are available in the full report

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Total processes

172

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2720

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

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

explorer.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Dism Host Servicing Process

Exit code:

3221225477

Version:

10.0.27971.1 (WinBuild.160101.0800)

Modules

Images
c:\users\admin\appdata\local\temp\dismhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\user32.dll

2928

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

7916

C:\WINDOWS\system32\WerFault.exe -u -p 2720 -s 488

C:\Windows\System32\WerFault.exe

dismhost.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\cryptsp.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll

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Total events

3 258

Read events

3 258

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
7916	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_dismhost.exe_fcab51564243fac150e6bfb81fccd093e56f6d_89709bbd_d8b45951-c412-4bf7-8aa1-b142ffaf4077\Report.wer		—
		MD5:—	SHA256:—
7916	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERF7A3.tmp.dmp		binary
		MD5:84EA17407AD40CC73D49C8405CC3D83A	SHA256:F98B9A18A1BF0E3E4E22C66C40C8F17411F99BEE6948BE43595B1D653C5E6DED
7916	WerFault.exe	C:\Users\admin\AppData\Local\CrashDumps\dismhost.exe.2720.dmp		binary
		MD5:D7D17E5095741370025B12F261A90295	SHA256:093F6FAE73191710B84737BE98C524DDCB79B483640B6E1E51B4C1AB547E76B5
7916	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE		binary
		MD5:E0C54DAAA81705C3D7D86ED0D84D581A	SHA256:B834146749AB02FAB08EE5056472A061B91BDA9E14AE02D40F51880D24CFC49F
7916	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE		binary
		MD5:1F39D616E912A4269CC718A3B6D423EC	SHA256:AEA9C91AC573821FB0A42F7E21C39E8DD2B3778892FFAE759870A8B2A833BC39
7916	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785		binary
		MD5:E9F83AA571B48E17A1CF058DF31461BA	SHA256:6833B875CC6488AAEE11E01F3856DFFB9094A409E4DB85C707E01245726F44AB
7916	WerFault.exe	C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785		binary
		MD5:5FA7873B15DC8E53331C6201643D571E	SHA256:535364717A327A0CB1A0BEC0D2C20BEBB638C764C4688335882AE308C9C8D47F
7916	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERF7F2.tmp.WERInternalMetadata.xml		xml
		MD5:378203D58C1489BAC6A3AA6173F3F0BB	SHA256:9C71A15E9A5696C8CA1FBB70607849F1DB58955EC142EF7ABD09CFA88DC822E5
7916	WerFault.exe	C:\ProgramData\Microsoft\Windows\WER\Temp\WERF812.tmp.xml		xml
		MD5:11CFC8D632BBDDF1D169541ABA378721	SHA256:6FCED1AD3C3F023DF3B54628941043A71A11D671156F9C1118BDD0E954A41AF7

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
7916	WerFault.exe	GET	200	23.216.77.18:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
7916	WerFault.exe	GET	200	23.35.229.160:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted
7568	svchost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
7568	svchost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
8124	backgroundTaskHost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
2572	backgroundTaskHost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D	unknown	—	—	whitelisted
5792	backgroundTaskHost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%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
4	System	192.168.100.255:137	—	—	—	whitelisted
8164	RUXIMICS.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6016	MoUsoCoreWorker.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
7916	WerFault.exe	172.178.240.161:443	watson.events.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	DE	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
7916	WerFault.exe	23.216.77.18:80	crl.microsoft.com	Akamai International B.V.	DE	whitelisted
7916	WerFault.exe	23.35.229.160:80	www.microsoft.com	AKAMAI-AS	DE	whitelisted
5224	SearchApp.exe	2.16.241.203:443	www.bing.com	Akamai International B.V.	DE	whitelisted
5224	SearchApp.exe	92.123.104.65:443	www.bing.com	Akamai International B.V.	DE	whitelisted
7568	svchost.exe	20.190.160.2:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted

DNS requests

Domain	IP	Reputation
settings-win.data.microsoft.com	51.124.78.146 51.104.136.2	whitelisted
google.com	142.250.181.238	whitelisted
watson.events.data.microsoft.com	172.178.240.161	whitelisted
crl.microsoft.com	23.216.77.18 23.216.77.14 23.216.77.9 23.216.77.10 23.216.77.23 23.216.77.25 23.216.77.22 23.216.77.19 23.216.77.29	whitelisted
www.microsoft.com	23.35.229.160	whitelisted
www.bing.com	2.16.241.203 2.16.241.200 2.16.241.207 2.16.241.208 2.16.241.206 2.16.241.197 2.16.241.221 2.16.241.222 2.16.241.205 92.123.104.65 92.123.104.15 92.123.104.12 92.123.104.13 92.123.104.63 92.123.104.62 92.123.104.10 92.123.104.67 92.123.104.61	whitelisted
th.bing.com	92.123.104.65 92.123.104.15 92.123.104.12 92.123.104.13 92.123.104.63 92.123.104.62 92.123.104.10 92.123.104.67 92.123.104.61	whitelisted
login.live.com	20.190.160.2 20.190.160.66 20.190.160.130 40.126.32.74 20.190.160.67 20.190.160.131 20.190.160.65 20.190.160.14	whitelisted
ocsp.digicert.com	184.30.131.245	whitelisted
client.wns.windows.com	172.211.123.250	whitelisted

Threats

PID	Process	Class	Message
—	—	Unknown Traffic	ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW)

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Process	Message
dismhost.exe	Invalid parameter passed to C runtime function.

General Info

dismhost.exe

6FF9EBDF9A8057C53DDDD38351DD7130

56FB74C5678E369E32E33B1A7EC074E1134F9369

7684EF83BE952B24230F0B4A2F614EEA72177EB17118E7303E2DA9EB3ADCAC9F

3072:T0iJkHOVPcoGtx3WfMMMMMMh2Z8BeduMMMMMMhYbCUgU0g35BMFYkF:T3J+oPDXBedJbCUgUZMykF

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Executing a file with an untrusted certificate

SUSPICIOUS

Process drops legitimate windows executable

Starts a Microsoft application from unusual location

Executes application which crashes

The process creates files with name similar to system file names

INFO

The sample compiled with english language support

Checks supported languages

Reads the computer name

Checks proxy server information

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

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings