download:

winiso.exe

Full analysis: https://app.any.run/tasks/e34fe80a-a84b-4aa1-b1c1-5c9aa4c939ff
Verdict: Malicious activity
Analysis date: August 02, 2021, 13:49:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

A8589B413EDC8032D9676714521A8DDA

SHA1:

C8DBFD4A73FA5A827A35E1C52542BB05588C6B8E

SHA256:

338C439AF0954B42D3CFD92811F06B5A639E3086B75D78D62C902D17595374A6

SSDEEP:

196608:/TGonqYQnelFLLbCGRt6Hqf0LC9sV7DuYHemav0zd+Z7CatBB0rs:/C2JRFLLxySf2+Syvi+4uf

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

    • Drops executable file immediately after starts

      • winiso.exe (PID: 3936)
      • wmnt.exe (PID: 2948)
      • winiso.exe (PID: 3512)

    • Loads dropped or rewritten executable

      • winiso.exe (PID: 3936)
      • winiso.exe (PID: 3008)
      • winiso.exe (PID: 3512)
      • updater.exe (PID: 2084)

    • Application was dropped or rewritten from another process

      • winiso.exe (PID: 3008)
      • winiso.exe (PID: 3512)
      • updater.exe (PID: 2084)
      • wmnt.exe (PID: 2948)

  • SUSPICIOUS

    • Creates files in the program directory

      • winiso.exe (PID: 3936)

    • Reads the computer name

      • winiso.exe (PID: 3936)
      • wmnt.exe (PID: 2948)
      • winiso.exe (PID: 3512)
      • updater.exe (PID: 2084)

    • Executable content was dropped or overwritten

      • winiso.exe (PID: 3936)
      • wmnt.exe (PID: 2948)
      • winiso.exe (PID: 3512)

    • Checks supported languages

      • winiso.exe (PID: 3936)
      • wmnt.exe (PID: 2948)
      • winiso.exe (PID: 3008)
      • winiso.exe (PID: 3512)
      • updater.exe (PID: 2084)

    • Creates a directory in Program Files

      • winiso.exe (PID: 3936)

    • Creates a software uninstall entry

      • winiso.exe (PID: 3936)

    • Creates files in the user directory

      • winiso.exe (PID: 3936)
      • winiso.exe (PID: 3512)

    • Creates files in the Windows directory

      • wmnt.exe (PID: 2948)

    • Drops a file with too old compile date

      • winiso.exe (PID: 3936)

    • Creates files in the driver directory

      • wmnt.exe (PID: 2948)

    • Drops a file that was compiled in debug mode

      • winiso.exe (PID: 3936)
      • winiso.exe (PID: 3512)

    • Changes default file association

      • winiso.exe (PID: 3936)

  • INFO

    • Manual execution by user

      • winiso.exe (PID: 3512)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

ProductVersion: 6.4.1.5976
ProductName: WinISO
LegalCopyright: Copyright © 2001-2016 WinISO Computing Inc.
FileVersion: 6.4.1.5976
FileDescription: WinISO Installer
CompanyName: WinISO Computing Inc.
CharacterSet: ASCII
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x0000
ProductVersionNumber: 6.4.1.5976
FileVersionNumber: 6.4.1.5976
Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: 6
OSVersion: 5
EntryPoint: 0x33e9
UninitializedDataSize: 16896
InitializedDataSize: 431104
CodeSize: 25600
LinkerVersion: 9
PEType: PE32
TimeStamp: 2010:04:10 14:19:23+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Apr-2010 12:19:23
Detected languages:
  • English - United States
CompanyName: WinISO Computing Inc.
FileDescription: WinISO Installer
FileVersion: 6.4.1.5976
LegalCopyright: Copyright © 2001-2016 WinISO Computing Inc.
ProductName: WinISO
ProductVersion: 6.4.1.5976

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: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 10-Apr-2010 12:19:23
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00006240
0x00006400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.42174
.rdata
0x00008000
0x000018CA
0x00001A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.87837
.data
0x0000A000
0x0006667C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.35872
.ndata
0x00071000
0x00159000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x001CA000
0x00004658
0x00004800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.85931

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.21494
966
UNKNOWN
English - United States
RT_MANIFEST
2
3.47417
1384
UNKNOWN
English - United States
RT_ICON
3
3.90277
744
UNKNOWN
English - United States
RT_ICON
4
3.24731
296
UNKNOWN
English - United States
RT_ICON
102
2.71813
180
UNKNOWN
English - United States
RT_DIALOG
103
2.64576
62
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.73893
514
UNKNOWN
English - United States
RT_DIALOG
106
2.91148
248
UNKNOWN
English - United States
RT_DIALOG
107
2.52183
160
UNKNOWN
English - United States
RT_DIALOG
111
2.92787
238
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
6
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start winiso.exe wmnt.exe winiso.exe no specs winiso.exe updater.exe winiso.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
900"C:\Users\admin\AppData\Local\Temp\winiso.exe" C:\Users\admin\AppData\Local\Temp\winiso.exe—Explorer.EXE
User:
admin
Company:
WinISO Computing Inc.
Integrity Level:
MEDIUM
Description:
WinISO Installer
Exit code:
3221226540
Version:
6.4.1.5976
Modules
Images
c:\users\admin\appdata\local\temp\winiso.exe
c:\windows\system32\ntdll.dll
2084"C:\Users\admin\AppData\Local\WinISO Computing\WinISO\update_41395\bin\updater.exe" winavi_upd_25313C:\Users\admin\AppData\Local\WinISO Computing\WinISO\update_41395\bin\updater.exe
winiso.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\winiso computing\winiso\update_41395\bin\updater.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
2948"C:\Program Files\WinISO Computing\WinISO\bin\mnt\wmnt.exe" /installC:\Program Files\WinISO Computing\WinISO\bin\mnt\wmnt.exe
winiso.exe
User:
admin
Company:
WinISO Computing Inc.
Integrity Level:
HIGH
Description:
WinISO Virtual CD Drive Helper
Exit code:
0
Version:
3, 6, 0, 1
Modules
Images
c:\program files\winiso computing\winiso\bin\mnt\wmnt.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\setupapi.dll
c:\windows\system32\gdi32.dll
3008"C:\Program Files\WinISO Computing\WinISO\bin\winiso.exe" -installC:\Program Files\WinISO Computing\WinISO\bin\winiso.exe—winiso.exe
User:
admin
Company:
WinISO Computing Inc.
Integrity Level:
HIGH
Description:
WinISO
Exit code:
0
Version:
6.4.1.5976
Modules
Images
c:\program files\winiso computing\winiso\bin\winiso.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\winiso computing\winiso\bin\libeay32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\lpk.dll
c:\windows\system32\nsi.dll
3512"C:\Program Files\WinISO Computing\WinISO\bin\winiso.exe" C:\Program Files\WinISO Computing\WinISO\bin\winiso.exe
Explorer.EXE
User:
admin
Company:
WinISO Computing Inc.
Integrity Level:
MEDIUM
Description:
WinISO
Exit code:
0
Version:
6.4.1.5976
Modules
Images
c:\program files\winiso computing\winiso\bin\winiso.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\winiso computing\winiso\bin\libeay32.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\nsi.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
3936"C:\Users\admin\AppData\Local\Temp\winiso.exe" C:\Users\admin\AppData\Local\Temp\winiso.exe
Explorer.EXE
User:
admin
Company:
WinISO Computing Inc.
Integrity Level:
HIGH
Description:
WinISO Installer
Exit code:
0
Version:
6.4.1.5976
Modules
Images
c:\users\admin\appdata\local\temp\winiso.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\shell32.dll
Total events
1 877
Read events
1 831
Write events
46
Delete events
0

Modification events

(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:DisplayName
Value:
WinISO
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:UninstallString
Value:
"C:\Program Files\WinISO Computing\WinISO\uninst.exe"
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:QuietUninstallString
Value:
"C:\Program Files\WinISO Computing\WinISO\uninst.exe" /S
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:DisplayIcon
Value:
"C:\Program Files\WinISO Computing\WinISO\bin\winiso.exe"
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:DisplayVersion
Value:
6.4.1.5976
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:URLInfoAbout
Value:
http://www.winiso.com/products/standard.html
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:Publisher
Value:
WinISO Computing Inc.
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WinISO
Operation:writeName:EstimatedSize
Value:
25744
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WinISO.iso\DefaultIcon
Operation:writeName:(default)
Value:
"C:\Program Files\WinISO Computing\WinISO\bin\icores.dll",-1
(PID) Process:(3936) winiso.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WinISO.iso\shell\open\command
Operation:writeName:(default)
Value:
"C:\Program Files\WinISO Computing\WinISO\bin\winiso.exe" "%1"
Executable files
45
Suspicious files
4
Text files
2
Unknown types
21

Dropped files

PID
Process
Filename
Type
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\meta.datbinary
MD5:CF433797E84424F6983A71A3642AEE61
SHA256:3715896BA56DC28DE3C60CF74D3B6399CFF342021C70F7BBC49E91F46FCF9046
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\bg.qmqm
MD5:1FC9E35B661DF602FC0E6D4685FDAEB3
SHA256:E9D40A47D9D666AE26BE580418F08874740667C56E51EFDB5E33EAADEE0E0418
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\es_MX.qmqm
MD5:29A9E2522628E2A3CBB4146BC432908D
SHA256:287DC60E147D3BE97693BC5B9B1AE63A184553BF423CABA4862718B792CC4BE1
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\fr.qmqm
MD5:40A39617E86C4FE598C39AF02D975FB3
SHA256:50618150A2FD9EFAA363B66599D7878A6B384D476DC588FDDC457CED29730CA3
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\de.qmqm
MD5:B672837C780920B4E9AF18E26F9136C8
SHA256:E7CCD3D23885A2FFF48766A90CB13022BAC6F047E8EFD91E4987AA10BA5EE99B
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\ar.qmqm
MD5:D3E6BD57E5DE334B278FCF6D35DFD34A
SHA256:452FA8267BBB732FDE579FCD84BBDA6A4E2F909C02DC24F480028FB28992AE7E
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\it.qmqm
MD5:B4DD91354332E26A54FEB92ADE478FFD
SHA256:C18E650D028E38D6F2DF3EBF77D8C8D552AA627E95BA2B6581165311AFC7BD1E
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\id.qmqm
MD5:15935C48A0BFA0F87D029B3960275D64
SHA256:A98CF9CF2F35A8B10E4D1D5708B5E07F03F11D7317FA5315196625791A5793ED
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\ja.qmqm
MD5:E99F072A5A4FFC52B7F65F587F87DC09
SHA256:CF47557D16A8093807EE0EB9ADF1494364FF0B676333EBFE7537DBB04BC9E925
3936winiso.exeC:\Program Files\WinISO Computing\WinISO\Resources\langs\ko.qmqm
MD5:740E337848F5DF626FFA83847E72B9B1
SHA256:6928AFBDDDC98C1B3877BDEB5AA1D3CDFB64CA20A13CCAD3B8E862CC39707620
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
1
DNS requests
1
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2084
updater.exe
GET
206
104.21.79.29:80
http://www.winiso.com/user/download/winiso.exe.sig
US
binary
21 b
malicious
2084
updater.exe
GET
206
104.21.79.29:80
http://www.winiso.com/user/download/winiso.exe.sig
US
binary
1.75 Kb
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2084
updater.exe
104.21.79.29:80
www.winiso.com
Cloudflare Inc
US
suspicious

DNS requests

Domain
IP
Reputation
www.winiso.com
  • 104.21.79.29
  • 172.67.141.53
malicious

Threats

Found threats are available for the paid subscriptions
2 ETPRO signatures available at the full report
Process
Message
winiso.exe
ExecShellAsUser: got desktop
winiso.exe
ExecShellAsUser: elevated process detected
winiso.exe
ExecShellAsUser: NSPIM_UNLOAD wait...
winiso.exe
ExecShellAsUser: thread finished
winiso.exe
ExecShellAsUser: NSPIM_UNLOAD
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Reports
winiso.exe