File name:

ehthumbs.exe

Full analysis: https://app.any.run/tasks/4ba07849-e8c3-4f59-a95e-ca95e61c53b7
Verdict: Malicious activity
Analysis date: March 10, 2025, 22:08:53
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:

71BF1C088D26CA4F1DEDAA2532A00E4A

SHA1:

CA760FED00ADCA74E2966BE411192E48F169D43D

SHA256:

1BF5034D736EA742759A54AF7E0BF5016AF023F06321219751C4722AD2142AAA

SSDEEP:

6144:FLpb1w2TB4ItlubnQEjMc+xfj0z2RH5VaiQFa:FLpb1w2t4IPubnQEjaJHTLQFa

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.

  • MALICIOUS

    No malicious indicators.

  • SUSPICIOUS

    • Application launched itself

      • ehthumbs.exe (PID: 5428)
      • ehthumbs.exe (PID: 4980)
      • ehthumbs.exe (PID: 4300)

    • Executes application which crashes

      • ehthumbs.exe (PID: 744)
      • ehthumbs.exe (PID: 5056)
      • ehthumbs.exe (PID: 5132)

    • Probably uses Microsoft diagnostics tool to execute malicious payload

      • pcwrun.exe (PID: 6068)

    • Executable content was dropped or overwritten

      • csc.exe (PID: 5020)
      • csc.exe (PID: 6244)

    • Gets file extension (POWERSHELL)

      • sdiagnhost.exe (PID: 3884)

    • Uses RUNDLL32.EXE to load library

      • msdt.exe (PID: 5720)

    • Converts a string into array of characters (POWERSHELL)

      • sdiagnhost.exe (PID: 3884)

  • INFO

    • Reads the computer name

      • ehthumbs.exe (PID: 5428)
      • ehthumbs.exe (PID: 744)
      • ehthumbs.exe (PID: 4980)
      • ehthumbs.exe (PID: 4300)
      • ehthumbs.exe (PID: 5056)
      • ehthumbs.exe (PID: 5132)

    • Creates files or folders in the user directory

      • WerFault.exe (PID: 6264)
      • sdiagnhost.exe (PID: 3884)
      • WerFault.exe (PID: 3156)
      • WerFault.exe (PID: 1184)

    • Checks supported languages

      • ehthumbs.exe (PID: 5428)
      • ehthumbs.exe (PID: 744)
      • csc.exe (PID: 6876)
      • cvtres.exe (PID: 4152)
      • csc.exe (PID: 6244)
      • cvtres.exe (PID: 4040)
      • csc.exe (PID: 5020)
      • cvtres.exe (PID: 1748)
      • ehthumbs.exe (PID: 4300)
      • ehthumbs.exe (PID: 5132)
      • ehthumbs.exe (PID: 5056)

    • Manual execution by a user

      • pcwrun.exe (PID: 6068)

    • Create files in a temporary directory

      • pcwrun.exe (PID: 6068)
      • msdt.exe (PID: 5720)
      • sdiagnhost.exe (PID: 3884)
      • cvtres.exe (PID: 4152)
      • cvtres.exe (PID: 4040)
      • csc.exe (PID: 6244)
      • cvtres.exe (PID: 1748)
      • csc.exe (PID: 5020)
      • csc.exe (PID: 6876)

    • The sample compiled with english language support

      • msdt.exe (PID: 5720)

    • Reads the software policy settings

      • msdt.exe (PID: 5720)
      • slui.exe (PID: 5376)

    • Reads the machine GUID from the registry

      • csc.exe (PID: 6244)
      • csc.exe (PID: 5020)
      • csc.exe (PID: 6876)

    • Uses string replace method (POWERSHELL)

      • sdiagnhost.exe (PID: 3884)

    • Checks proxy server information

      • sdiagnhost.exe (PID: 3884)

    • Reads security settings of Internet Explorer

      • rundll32.exe (PID: 6564)
      • msdt.exe (PID: 5720)
      • rundll32.exe (PID: 3968)
      • sdiagnhost.exe (PID: 3884)

    • Uses string split method (POWERSHELL)

      • sdiagnhost.exe (PID: 3884)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.dll | Win32 Dynamic Link Library (generic) (43.5)
.exe | Win32 Executable (generic) (29.8)
.exe | Generic Win/DOS Executable (13.2)
.exe | DOS Executable Generic (13.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:09:02 20:16:16+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 12800
InitializedDataSize: 120832
UninitializedDataSize: -
EntryPoint: 0x3f5c
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
164
Monitored processes
26
Malicious processes
0
Suspicious processes
3

Behavior graph

Click at the process to see the details
start ehthumbs.exe no specs ehthumbs.exe sppextcomobj.exe no specs slui.exe rundll32.exe no specs werfault.exe no specs Shell Security Editor no specs pcwrun.exe no specs msdt.exe no specs sdiagnhost.exe conhost.exe no specs csc.exe no specs cvtres.exe no specs csc.exe cvtres.exe no specs csc.exe cvtres.exe no specs rundll32.exe no specs ehthumbs.exe no specs ehthumbs.exe slui.exe no specs rundll32.exe no specs ehthumbs.exe no specs ehthumbs.exe werfault.exe no specs werfault.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
668C:\WINDOWS\system32\DllHost.exe /Processid:{4D111E08-CBF7-4F12-A926-2C7920AF52FC}C:\Windows\System32\dllhost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\bcryptprimitives.dll
744"C:\Users\admin\AppData\Local\Temp\ehthumbs.exe"C:\Users\admin\AppData\Local\Temp\ehthumbs.exe
ehthumbs.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221225477
Modules
Images
c:\users\admin\appdata\local\temp\ehthumbs.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
904\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—sdiagnhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
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
1184C:\WINDOWS\SysWOW64\WerFault.exe -u -p 5132 -s 1028C:\Windows\SysWOW64\WerFault.exe—ehthumbs.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.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\msvcrt.dll
c:\windows\syswow64\combase.dll
1748C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES82AA.tmp" "c:\Users\admin\AppData\Local\Temp\CSC8E5804C0C0FD434DBB2466182EC66581.TMP"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.32.31326.0
Modules
Images
c:\windows\microsoft.net\framework64\v4.0.30319\cvtres.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\vcruntime140_1_clr0400.dll
3156C:\WINDOWS\SysWOW64\WerFault.exe -u -p 5056 -s 912C:\Windows\SysWOW64\WerFault.exe—ehthumbs.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\syswow64\werfault.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\msvcrt.dll
c:\windows\syswow64\combase.dll
3884C:\WINDOWS\System32\sdiagnhost.exe -EmbeddingC:\Windows\System32\sdiagnhost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Scripted Diagnostics Native Host
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sdiagnhost.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\ole32.dll
3968"C:\WINDOWS\system32\rundll32.exe" C:\WINDOWS\system32\pcwutl.dll,LaunchApplication ""C:\Users\admin\AppData\Local\Temp\ehthumbs.exe""C:\Windows\System32\rundll32.exe—msdt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\rundll32.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\shcore.dll
c:\windows\system32\imagehlp.dll
4040C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES7FAC.tmp" "c:\Users\admin\AppData\Local\Temp\CSCFA741DB934F6471E9AABB9B56DA6C523.TMP"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.32.31326.0
Modules
Images
c:\windows\microsoft.net\framework64\v4.0.30319\cvtres.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\vcruntime140_1_clr0400.dll
4152C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES7F10.tmp" "c:\Users\admin\AppData\Local\Temp\CSC52917144E88340209549F546DD3A7EB.TMP"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.32.31326.0
Modules
Images
c:\windows\microsoft.net\framework64\v4.0.30319\cvtres.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\vcruntime140_1_clr0400.dll
Total events
15 866
Read events
15 854
Write events
11
Delete events
1

Modification events

(PID) Process:(3884) sdiagnhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
Operation:writeName:C:\Users\admin\AppData\Local\Temp\ehthumbs.exe
Value:
^ VISTASP2
(PID) Process:(3884) sdiagnhost.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers
Operation:delete valueName:C:\Users\admin\AppData\Local\Temp\ehthumbs.exe
Value:
^ VISTASP2
Executable files
5
Suspicious files
19
Text files
21
Unknown types
0

Dropped files

PID
Process
Filename
Type
6264WerFault.exeC:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_ehthumbs.exe_2667ae54e8412c8a78474cfd8632b31ea97fe38_c731bec8_f5ba0125-9d37-4680-8abc-f3d0fc140d68\Report.wer —
MD5:—
SHA256:—
6068pcwrun.exeC:\Users\admin\AppData\Local\Temp\PCW6F9F.xmlxml
MD5:80681B26E76818EC8BB3F99F3C1B1D97
SHA256:B32857E34DD8099890EC37E3D642C8738D942DEBA5FB85C0EDCB09FADCB7F0C2
6264WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WERF138.tmp.dmpbinary
MD5:824F22315B5893D26AA062E3EC1E0578
SHA256:B6A6545C72FE4AAE823F1DA0D1435E6582A283671957221FE948171FAFDF1434
5720msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_f917cd5a-3da3-41da-b55d-41df280ca1c7\RS_ProgramCompatibilityWizard.ps1text
MD5:E6B5B69A9F0C44BDDA6A5662054CD8BF
SHA256:F7FD69FAA5D66BEDD294BFCBF5962F7A70D60F69D04251F8CF3ACA927D878E3A
5720msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_f917cd5a-3da3-41da-b55d-41df280ca1c7\DiagPackage.diagpkghtml
MD5:191959B4C3F91BE170B30BF5D1BC2965
SHA256:8EC3A8F67BAF1E4658FC772F9F35230CA1B0318DDAF7A4C84789A329B6F7F047
6264WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\ehthumbs.exe.744.dmpbinary
MD5:83117A10A6C859184D9967222411F56D
SHA256:186EF85C8880635FCC607ED5C6C98BA200CFA4386CD1D10D3123BA759D428431
6264WerFault.exeC:\ProgramData\Microsoft\Windows\WER\Temp\WERF281.tmp.WERInternalMetadata.xmlbinary
MD5:AB28565C43C6A398E4F21B5F57E36CAC
SHA256:BD6BDFA6BFD6E272DE23A61DF0D985C88D07E03D25995B7BB2A7D3CC3CC17045
5720msdt.exeC:\Users\admin\AppData\Local\Temp\SDIAG_f917cd5a-3da3-41da-b55d-41df280ca1c7\result\results.xslxml
MD5:310E1DA2344BA6CA96666FB639840EA9
SHA256:67401342192BABC27E62D4C1E0940409CC3F2BD28F77399E71D245EAE8D3F63C
3884sdiagnhost.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_uwism3yf.2hc.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3884sdiagnhost.exeC:\Users\admin\AppData\Local\Temp\43uhujit.cmdlinetext
MD5:89F83C00D5974F82BFEDB2CBA17112B0
SHA256:F5687CE9104B0C8B2D0B0A925831F4617B538B10D8D5FB08240D7291ADA60166
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
29
DNS requests
19
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4040
backgroundTaskHost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
1012
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
—
—
whitelisted
3884
sdiagnhost.exe
GET
200
2.19.11.105:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
1012
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
2.23.77.188:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
3884
sdiagnhost.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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
2104
svchost.exe
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
—
—
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
6544
svchost.exe
20.190.160.22:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
3216
svchost.exe
40.115.3.253:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2112
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4040
backgroundTaskHost.exe
20.31.169.57:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4040
backgroundTaskHost.exe
2.23.77.188:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.142
whitelisted
login.live.com
  • 20.190.160.22
  • 40.126.32.133
  • 20.190.160.66
  • 40.126.32.138
  • 20.190.160.3
  • 40.126.32.72
  • 20.190.160.4
  • 20.190.160.5
whitelisted
ocsp.digicert.com
  • 2.23.77.188
whitelisted
client.wns.windows.com
  • 40.115.3.253
whitelisted
arc.msn.com
  • 20.31.169.57
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 13.95.31.18
whitelisted
crl.microsoft.com
  • 2.19.11.105
  • 2.19.11.120
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2026 ANY.RUN ALL RIGHTS RESERVED
ANY.RUN
Reports
ehthumbs.exe