File name:

instspeedfan452.exe

Full analysis: https://app.any.run/tasks/91f51e74-58ef-4cde-a392-d1a8ad3ffc8a
Verdict: Malicious activity
Analysis date: March 29, 2025, 18:27:05
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
sfdrvx64-sys
vuln-driver
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive, 5 sections
MD5:

9B62520616B647979AD053DFFA80311C

SHA1:

BABEB8BDD47D51E5BB7F66B9197AA0A1B9F3A2AA

SHA256:

E2CCB3C0D23F0D04EE8057F5CE3861EEA952FB20694C1656C9805B1D4CD922FF

SSDEEP:

49152:pJAZvThICXI+X/w5zcnTdSljPWHb59XUmisH5VdEPF63gO8FsAA:pJAZvThIqXqzYTYLWnisP2PF63gxtA

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

    • Executing a file with an untrusted certificate

      • instspeedfan452.exe (PID: 1532)
      • speedfan.exe (PID: 660)
      • speedfan.exe (PID: 2420)

    • Vulnerable driver has been detected

      • instspeedfan452.exe (PID: 496)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • instspeedfan452.exe (PID: 496)
      • speedfan.exe (PID: 2420)

    • Creates a software uninstall entry

      • instspeedfan452.exe (PID: 496)

    • Drops a system driver (possible attempt to evade defenses)

      • instspeedfan452.exe (PID: 496)

    • Reads security settings of Internet Explorer

      • speedfan.exe (PID: 2420)

  • INFO

    • Reads the computer name

      • instspeedfan452.exe (PID: 496)
      • speedfan.exe (PID: 2420)

    • Checks supported languages

      • instspeedfan452.exe (PID: 496)
      • speedfan.exe (PID: 2420)

    • Create files in a temporary directory

      • instspeedfan452.exe (PID: 496)
      • speedfan.exe (PID: 2420)

    • The sample compiled with english language support

      • instspeedfan452.exe (PID: 496)

    • Creates files in the program directory

      • instspeedfan452.exe (PID: 496)
      • speedfan.exe (PID: 2420)

    • Manual execution by a user

      • speedfan.exe (PID: 660)
      • speedfan.exe (PID: 2420)

    • Reads the machine GUID from the registry

      • speedfan.exe (PID: 2420)

    • Creates files or folders in the user directory

      • instspeedfan452.exe (PID: 496)
      • speedfan.exe (PID: 2420)

    • Reads the software policy settings

      • speedfan.exe (PID: 2420)

    • Checks proxy server information

      • speedfan.exe (PID: 2420)

    • The sample compiled with Italian language support

      • instspeedfan452.exe (PID: 496)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2009:12:05 22:50:41+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
PEType: PE32
LinkerVersion: 6
CodeSize: 23040
InitializedDataSize: 120832
UninitializedDataSize: 1024
EntryPoint: 0x30cb
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
138
Monitored processes
6
Malicious processes
2
Suspicious processes
2

Behavior graph

Click at the process to see the details
start THREAT instspeedfan452.exe sppextcomobj.exe no specs slui.exe no specs speedfan.exe no specs speedfan.exe instspeedfan452.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
496"C:\Users\admin\AppData\Local\Temp\instspeedfan452.exe" C:\Users\admin\AppData\Local\Temp\instspeedfan452.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\instspeedfan452.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\user32.dll
660"C:\Program Files (x86)\SpeedFan\speedfan.exe" C:\Program Files (x86)\SpeedFan\speedfan.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Version:
4.52.0.462
Modules
Images
c:\program files (x86)\speedfan\speedfan.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
1532"C:\Users\admin\AppData\Local\Temp\instspeedfan452.exe" C:\Users\admin\AppData\Local\Temp\instspeedfan452.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\instspeedfan452.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
2096C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exe—svchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
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
2420"C:\Program Files (x86)\SpeedFan\speedfan.exe" C:\Program Files (x86)\SpeedFan\speedfan.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Version:
4.52.0.462
Modules
Images
c:\program files (x86)\speedfan\speedfan.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\oleaut32.dll
5776"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=TimerEventC:\Windows\System32\slui.exe—SppExtComObj.Exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
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
Total events
4 400
Read events
4 397
Write events
3
Delete events
0

Modification events

(PID) Process:(496) instspeedfan452.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SpeedFan
Operation:writeName:DisplayName
Value:
SpeedFan (remove only)
(PID) Process:(496) instspeedfan452.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SpeedFan
Operation:writeName:UninstallString
Value:
"C:\Program Files (x86)\SpeedFan\uninstall.exe"
(PID) Process:(2420) speedfan.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\iaStorV\Parameters
Operation:writeName:CSMI
Value:
3
Executable files
7
Suspicious files
18
Text files
6
Unknown types
0

Dropped files

PID
Process
Filename
Type
496instspeedfan452.exeC:\Users\admin\AppData\Local\Temp\sfextra.dllexecutable
MD5:DC096997EDFBDF22B160D3EA272711CD
SHA256:5C9A6055049361F3F691F075FF70B547B7CD4A72ECAFF81F4390D1E03C389511
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\pciidsdata.csvcsv
MD5:A360FD38A30A93AE8CCED192DBA5D5A5
SHA256:1C1A334D486CF7591069D947282091545A4302C81935A7833FF909C5B3B75DDF
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\speedfan.txttext
MD5:BA62415BABDB2F4EB72B0F4E5AF9C2D0
SHA256:FAC4AFAD5C65717C0FBBC416B8DB917BC77C5DBD9EA3BDE73137C5F703188CA8
496instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\SpeedFan.lnkbinary
MD5:FF74B9FBE52A9E3E56408B3FCF0E1E03
SHA256:8A6EBCE47D0F8DE7AA32017472B06D0E710076554F6D5A0839654A75DD7FA2D1
2420speedfan.exeC:\Windows\INF\basicdisplay.PNFbinary
MD5:914DCB989709A0CE3F4B24A4CD147F1A
SHA256:C2FEE0EAD23C7B3B509FDDE94DDD6A549F999F364C5CA9D09AC084F22BC0ECB4
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\uninstall.exeexecutable
MD5:BE776E2BF6BE589A4CEF646722ED106E
SHA256:37599A2E7504878E29DA2C7167548C1A434B0D6A5BE7BFC647911CD403CFBBB8
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\configs.zipcompressed
MD5:68BE3E4D029FE0A8257BC172EFC4BF16
SHA256:2463B8FB7B46A88A90821A4112717BBB366C02843A16887FAEEBB54852CFB80D
2420speedfan.exeC:\Windows\INF\wvid.PNFbinary
MD5:1150FFA867746D325F76B3AC29C00B5E
SHA256:42589B4877F0578BB4F44344D4B2F07D59D9814C221FC5D5B90B9150DFCCA999
496instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\Help and HOW-TO.lnkbinary
MD5:B049CDACE9978A1619E82A690E680AF1
SHA256:1A7492D20AF117375718C1DF5C2BDB2511470B0322149104D6F4AAEE4830CFBF
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\speedfan.exeexecutable
MD5:2EC7B1B5E9FDDBA22B4F426170E4C834
SHA256:4E9F8F2C3528BEC9BA78985D8473BCB3BE50E28C4C27363333FDA80DE9649F94
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
22
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
—
—
GET
200
23.53.40.177:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
2420
speedfan.exe
GET
200
146.75.122.133:80
http://ocsp2.globalsign.com/gscodesigng2/MFMwUTBPME0wSzAJBgUrDgMCGgUABBRruLd2WRFk6cRYGFIqkQ4J8hxDogQUCG7YtpyKv%2B0%2B18N0XcyAH6gvUHoCEhEh3CbZp0VrlrM75iIRXALTlA%3D%3D
unknown
—
—
whitelisted
2420
speedfan.exe
GET
200
146.75.122.133:80
http://crl.globalsign.com/gs/gscodesigng2.crl
unknown
—
—
whitelisted
6676
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
2420
speedfan.exe
GET
200
104.18.20.226:80
http://crl.globalsign.net/root.crl
unknown
—
—
whitelisted
6676
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
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
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
23.53.40.177:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
3216
svchost.exe
172.172.255.216:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6544
svchost.exe
40.126.31.73:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6544
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
2420
speedfan.exe
104.18.20.226:80
crl.globalsign.net
CLOUDFLARENET
—
whitelisted
2420
speedfan.exe
146.75.122.133:80
ocsp2.globalsign.com
FASTLY
US
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 40.127.240.158
whitelisted
google.com
  • 142.250.184.238
whitelisted
crl.microsoft.com
  • 23.53.40.177
  • 23.53.41.96
  • 23.53.41.83
  • 23.53.40.170
  • 23.53.40.169
  • 23.53.41.91
  • 23.53.41.82
  • 23.53.40.202
  • 23.53.41.97
whitelisted
client.wns.windows.com
  • 172.172.255.216
whitelisted
login.live.com
  • 40.126.31.73
  • 20.190.159.130
  • 20.190.159.2
  • 40.126.31.0
  • 40.126.31.130
  • 40.126.31.128
  • 20.190.159.68
  • 40.126.31.131
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
crl.globalsign.net
  • 104.18.20.226
  • 104.18.21.226
whitelisted
ocsp2.globalsign.com
  • 146.75.122.133
whitelisted
crl.globalsign.com
  • 146.75.122.133
whitelisted
slscr.update.microsoft.com
  • 4.175.87.197
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
instspeedfan452.exe