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

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

      • instspeedfan452.exe (PID: 496)

    • Executable content was dropped or overwritten

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

    • Creates a software uninstall entry

      • instspeedfan452.exe (PID: 496)

    • Reads security settings of Internet Explorer

      • speedfan.exe (PID: 2420)

  • INFO

    • Checks supported languages

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

    • Reads the computer name

      • 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)

    • The sample compiled with Italian language support

      • instspeedfan452.exe (PID: 496)

    • Creates files or folders in the user directory

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

    • Manual execution by a user

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

    • Reads the software policy settings

      • speedfan.exe (PID: 2420)

    • Checks proxy server information

      • speedfan.exe (PID: 2420)

    • Reads the machine GUID from the registry

      • speedfan.exe (PID: 2420)
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:\Windows\SysWOW64\speedfan.sysexecutable
MD5:0FFE35F0B0CD5A324BBE22F02569AE3B
SHA256:F4EE803EEFDB4EAEEDB3024C3516F1F9A202C77F4870D6B74356BBDE32B3B560
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\speedfan.chmbinary
MD5:DD66CFCC239E913FAAE6930411039F24
SHA256:0DCE2AEBEEA31AE843BB90E6BC1C744E3CF5267A032F930CC80B72E673CE8F0C
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\sfextra.dllexecutable
MD5:DC096997EDFBDF22B160D3EA272711CD
SHA256:5C9A6055049361F3F691F075FF70B547B7CD4A72ECAFF81F4390D1E03C389511
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\pciidsdata.csvcsv
MD5:A360FD38A30A93AE8CCED192DBA5D5A5
SHA256:1C1A334D486CF7591069D947282091545A4302C81935A7833FF909C5B3B75DDF
496instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\Help and HOW-TO.lnkbinary
MD5:B049CDACE9978A1619E82A690E680AF1
SHA256:1A7492D20AF117375718C1DF5C2BDB2511470B0322149104D6F4AAEE4830CFBF
496instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\Release info.lnkbinary
MD5:73003D4000E189DF06B1CF73298A6E06
SHA256:F786F1C328F500388136FA22A0575B42B370F022639BC982363846C3F2E6BD3A
496instspeedfan452.exeC:\Users\admin\AppData\Local\Temp\sfextra.dllexecutable
MD5:DC096997EDFBDF22B160D3EA272711CD
SHA256:5C9A6055049361F3F691F075FF70B547B7CD4A72ECAFF81F4390D1E03C389511
496instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\Uninstall SpeedFan.lnkbinary
MD5:8796A125EE94BF1F6F91EA7406CC0B8A
SHA256:FB25BC83045FA770CD17C26E7CF7BD15FDC48AE877818542A0BFD472895BBA8E
496instspeedfan452.exeC:\Program Files (x86)\SpeedFan\configs.zipcompressed
MD5:68BE3E4D029FE0A8257BC172EFC4BF16
SHA256:2463B8FB7B46A88A90821A4112717BBB366C02843A16887FAEEBB54852CFB80D
496instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\SpeedFan.lnkbinary
MD5:FF74B9FBE52A9E3E56408B3FCF0E1E03
SHA256:8A6EBCE47D0F8DE7AA32017472B06D0E710076554F6D5A0839654A75DD7FA2D1
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
104.18.20.226:80
http://crl.globalsign.net/root.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%20Update%20Secure%20Server%20CA%202.1.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
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