File name:

instspeedfan452.exe

Full analysis: https://app.any.run/tasks/af13afc6-540c-430e-b59e-5b486b9cba57
Verdict: Malicious activity
Analysis date: May 23, 2019, 08:40:56
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
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

    • Changes settings of System certificates

      • speedfan.exe (PID: 3924)

    • Loads dropped or rewritten executable

      • instspeedfan452.exe (PID: 1156)
      • speedfan.exe (PID: 3924)

    • Application was dropped or rewritten from another process

      • speedfan.exe (PID: 3616)
      • speedfan.exe (PID: 3924)

  • SUSPICIOUS

    • Creates files in the Windows directory

      • instspeedfan452.exe (PID: 1156)

    • Low-level read access rights to disk partition

      • speedfan.exe (PID: 3924)

    • Executable content was dropped or overwritten

      • instspeedfan452.exe (PID: 1156)
      • speedfan.exe (PID: 3924)

    • Creates a software uninstall entry

      • instspeedfan452.exe (PID: 1156)

    • Creates files in the program directory

      • instspeedfan452.exe (PID: 1156)
      • speedfan.exe (PID: 3924)

    • Creates files in the user directory

      • instspeedfan452.exe (PID: 1156)

    • Adds / modifies Windows certificates

      • speedfan.exe (PID: 3924)

  • INFO

    • Manual execution by user

      • speedfan.exe (PID: 3616)
      • speedfan.exe (PID: 3924)
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 23:50:41+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 23040
InitializedDataSize: 120832
UninitializedDataSize: 1024
EntryPoint: 0x30cb
OSVersion: 4
ImageVersion: 6
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-Dec-2009 22:50:41
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 05-Dec-2009 22:50:41
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000058D2
0x00005A00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.4331
.rdata
0x00007000
0x00001190
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.17976
.data
0x00009000
0x0001AF78
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.6178
.ndata
0x00024000
0x00008000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0002C000
0x000016E0
0x00001800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.18213

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.31238
1132
UNKNOWN
English - United States
RT_MANIFEST
102
2.74309
184
UNKNOWN
English - United States
RT_DIALOG
103
2.16096
20
UNKNOWN
English - United States
RT_GROUP_ICON
104
2.6935
316
UNKNOWN
English - United States
RT_DIALOG
105
2.66174
256
UNKNOWN
English - United States
RT_DIALOG
106
2.88094
284
UNKNOWN
English - United States
RT_DIALOG
107
2.62276
196
UNKNOWN
English - United States
RT_DIALOG
110
2.82633
1638
UNKNOWN
English - United States
RT_BITMAP
111
2.48825
96
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
1156"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:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
3448"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:\systemroot\system32\ntdll.dll
3616"C:\Program Files\SpeedFan\speedfan.exe" C:\Program Files\SpeedFan\speedfan.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Version:
4.52.0.462
Modules
Images
c:\program files\speedfan\speedfan.exe
c:\systemroot\system32\ntdll.dll
3924"C:\Program Files\SpeedFan\speedfan.exe" C:\Program Files\SpeedFan\speedfan.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
4.52.0.462
Modules
Images
c:\program files\speedfan\speedfan.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
Total events
397
Read events
381
Write events
16
Delete events
0

Modification events

(PID) Process:(1156) instspeedfan452.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\SpeedFan
Operation:writeName:
Value:
C:\Program Files\SpeedFan
(PID) Process:(1156) instspeedfan452.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpeedFan
Operation:writeName:DisplayName
Value:
SpeedFan (remove only)
(PID) Process:(1156) instspeedfan452.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpeedFan
Operation:writeName:UninstallString
Value:
"C:\Program Files\SpeedFan\uninstall.exe"
(PID) Process:(3924) speedfan.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3924) speedfan.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81
Operation:writeName:Blob
Value:
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
(PID) Process:(3924) speedfan.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81
Operation:writeName:Blob
Value:
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
(PID) Process:(3924) speedfan.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\iaStorV\Parameters
Operation:writeName:CSMI
Value:
3
Executable files
8
Suspicious files
5
Text files
530
Unknown types
6

Dropped files

PID
Process
Filename
Type
1156instspeedfan452.exeC:\Users\admin\AppData\Local\Temp\initdebug.nfo —
MD5:—
SHA256:—
1156instspeedfan452.exeC:\Windows\System32\initdebug.nfotext
MD5:—
SHA256:—
1156instspeedfan452.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SpeedFan\Release info.lnklnk
MD5:—
SHA256:—
3924speedfan.exeC:\Users\admin\AppData\Local\Temp\Cab6F57.tmp —
MD5:—
SHA256:—
3924speedfan.exeC:\Users\admin\AppData\Local\Temp\Tar6F58.tmp —
MD5:—
SHA256:—
3924speedfan.exeC:\Users\admin\AppData\Local\Temp\Cab6F69.tmp —
MD5:—
SHA256:—
3924speedfan.exeC:\Users\admin\AppData\Local\Temp\Tar6F6A.tmp —
MD5:—
SHA256:—
3924speedfan.exeC:\Users\admin\AppData\Local\Temp\Cab7017.tmp —
MD5:—
SHA256:—
3924speedfan.exeC:\Users\admin\AppData\Local\Temp\Tar7018.tmp —
MD5:—
SHA256:—
1156instspeedfan452.exeC:\Windows\system32\giveio.sysexecutable
MD5:77EBF3E9386DAA51551AF429052D88D0
SHA256:94C3294BB9E14B07448734AE65B37801D3FF15BEC987D182A929A017FEF7B276
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3924
speedfan.exe
GET
200
67.27.159.126:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
56.1 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
67.27.159.126:80
www.download.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious

DNS requests

Domain
IP
Reputation
www.download.windowsupdate.com
  • 67.27.159.126
  • 8.248.119.254
  • 67.27.233.126
  • 67.26.73.254
  • 8.253.204.120
whitelisted

Threats

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