File name:

wufinstall.exe

Full analysis: https://app.any.run/tasks/bbe1010d-8dbc-4afa-abd2-782ff18f459d
Verdict: Malicious activity
Analysis date: October 26, 2023, 07:16:31
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
MD5:

10D30C6A1841A640D08A7865BEFCE6B5

SHA1:

2FF551C029237D71AF3C48697B3B60C23D6183B5

SHA256:

1EF3074EC5B613CFABDA1D3EB9D85745C5D9086FCF36309111160FFB848A0F4B

SSDEEP:

98304:F+cD4dnlpHc7rd7QVQeimwKuUbYPfXq/LoJUAlfSizTSRUS4ja+UNqPMX/t+M0Dh:2qNiF5BBlte4buRNfpT

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 the executable file immediately after the start

      • wufinstall.exe (PID: 3852)
      • wufinstall.exe (PID: 2444)
      • wufinstall.tmp (PID: 3196)

    • Creates a writable file the system directory

      • wufinstall.tmp (PID: 3196)

    • Actions looks like stealing of personal data

      • wufinstall.tmp (PID: 3196)

  • SUSPICIOUS

    • Reads the Windows owner or organization settings

      • wufinstall.tmp (PID: 3196)

    • Process drops legitimate windows executable

      • wufinstall.tmp (PID: 3196)

  • INFO

    • Checks supported languages

      • wufinstall.exe (PID: 3852)
      • wufinstall.tmp (PID: 1864)
      • wufinstall.exe (PID: 2444)
      • wufinstall.tmp (PID: 3196)

    • Reads the computer name

      • wufinstall.tmp (PID: 1864)
      • wufinstall.tmp (PID: 3196)

    • Create files in a temporary directory

      • wufinstall.exe (PID: 3852)
      • wufinstall.exe (PID: 2444)

    • Application was dropped or rewritten from another process

      • wufinstall.tmp (PID: 1864)
      • wufinstall.tmp (PID: 3196)

    • Creates files in the program directory

      • wufinstall.tmp (PID: 3196)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Inno Setup installer (67.7)
.exe | Win32 EXE PECompact compressed (generic) (25.6)
.exe | Win32 Executable (generic) (2.7)
.exe | Win16/32 Executable Delphi generic (1.2)
.exe | Generic Win/DOS Executable (1.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:04:14 18:10:23+02:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 741888
InitializedDataSize: 147456
UninitializedDataSize: -
EntryPoint: 0xb5eec
OSVersion: 6.1
ImageVersion: 6
SubsystemVersion: 6.1
Subsystem: Windows GUI
FileVersionNumber: 15.85.0.0
ProductVersionNumber: 15.85.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: This installation was built with Inno Setup.
CompanyName: YL Computing
FileDescription: WinUtilities Free Edition Setup
FileVersion: 15.85
LegalCopyright:
OriginalFileName:
ProductName: WinUtilities Free Edition
ProductVersion: 15.85
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
4
Malicious processes
4
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start drop and start wufinstall.exe no specs wufinstall.tmp no specs wufinstall.exe wufinstall.tmp

Process information

PID
CMD
Path
Indicators
Parent process
1864"C:\Users\admin\AppData\Local\Temp\is-V7NT2.tmp\wufinstall.tmp" /SL5="$1001CA,7311367,890368,C:\Users\admin\AppData\Local\Temp\wufinstall.exe" C:\Users\admin\AppData\Local\Temp\is-V7NT2.tmp\wufinstall.tmp—wufinstall.exe
User:
admin
Company:
YL Computing
Integrity Level:
MEDIUM
Description:
Setup/Uninstall
Exit code:
0
Version:
51.1052.0.0
Modules
Images
c:\users\admin\appdata\local\temp\is-v7nt2.tmp\wufinstall.tmp
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\mpr.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2444"C:\Users\admin\AppData\Local\Temp\wufinstall.exe" /SPAWNWND=$110168 /NOTIFYWND=$1001CA C:\Users\admin\AppData\Local\Temp\wufinstall.exe
wufinstall.tmp
User:
admin
Company:
YL Computing
Integrity Level:
HIGH
Description:
WinUtilities Free Edition Setup
Exit code:
0
Version:
15.85
Modules
Images
c:\windows\system32\ntdll.dll
c:\users\admin\appdata\local\temp\wufinstall.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\shlwapi.dll
3196"C:\Users\admin\AppData\Local\Temp\is-UTB6A.tmp\wufinstall.tmp" /SL5="$B01D0,7311367,890368,C:\Users\admin\AppData\Local\Temp\wufinstall.exe" /SPAWNWND=$110168 /NOTIFYWND=$1001CA C:\Users\admin\AppData\Local\Temp\is-UTB6A.tmp\wufinstall.tmp
wufinstall.exe
User:
admin
Company:
YL Computing
Integrity Level:
HIGH
Description:
Setup/Uninstall
Exit code:
0
Version:
51.1052.0.0
Modules
Images
c:\users\admin\appdata\local\temp\is-utb6a.tmp\wufinstall.tmp
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\comdlg32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\mpr.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\usp10.dll
c:\windows\system32\lpk.dll
3852"C:\Users\admin\AppData\Local\Temp\wufinstall.exe" C:\Users\admin\AppData\Local\Temp\wufinstall.exe—explorer.exe
User:
admin
Company:
YL Computing
Integrity Level:
MEDIUM
Description:
WinUtilities Free Edition Setup
Exit code:
0
Version:
15.85
Modules
Images
c:\users\admin\appdata\local\temp\wufinstall.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
898
Read events
898
Write events
0
Delete events
0

Modification events

No data
Executable files
694
Suspicious files
4
Text files
422
Unknown types
0

Dropped files

PID
Process
Filename
Type
3196wufinstall.tmpC:\Windows\System32\W95INF16.DLLexecutable
MD5:7210D5407A2D2F52E851604666403024
SHA256:337D2FB5252FC532B7BF67476B5979D158CA2AC589E49C6810E2E1AFEBE296AF
2444wufinstall.exeC:\Users\admin\AppData\Local\Temp\is-UTB6A.tmp\wufinstall.tmpexecutable
MD5:7FE90D143248094DD1C137B54B2FB734
SHA256:26B8F76D4BA188521B44743121ED1E7B0BBAD950719280B277C2E199C41F67BE
3196wufinstall.tmpC:\Windows\system32\is-07183.tmpexecutable
MD5:7210D5407A2D2F52E851604666403024
SHA256:337D2FB5252FC532B7BF67476B5979D158CA2AC589E49C6810E2E1AFEBE296AF
3196wufinstall.tmpC:\Windows\system32\is-AN3R3.tmpexecutable
MD5:B9C2EB1291BACAF8D979D7DF06D1E4EE
SHA256:45E7070BB56530AC910160BA703428EB1F1A390C508C04DEB894A5B921D04C62
3196wufinstall.tmpC:\Program Files\WinUtilities\unins000.exeexecutable
MD5:4AB1418B9F2167A4D29E398E4D9AC26B
SHA256:A3A615216FFC51F400D2C2B23425FEC0858160630566E27E268FAABC55D17438
3196wufinstall.tmpC:\Windows\system32\is-LIR2S.tmpexecutable
MD5:7D4A0D6C685107AC1B5089806CD4273B
SHA256:6C6FD79C7F2E248BCE830F08937625D4D16466FD7A3E72163F0528D058B31DE5
3196wufinstall.tmpC:\Windows\System32\shfolder.inftext
MD5:CF295F9A323B1EC8B196E598636E78E4
SHA256:3D2C39C2275A2DCF0200CEE799956C8D3DF2CA9B9C9F2D5CA744143AA58EEED3
3852wufinstall.exeC:\Users\admin\AppData\Local\Temp\is-V7NT2.tmp\wufinstall.tmpexecutable
MD5:7FE90D143248094DD1C137B54B2FB734
SHA256:26B8F76D4BA188521B44743121ED1E7B0BBAD950719280B277C2E199C41F67BE
3196wufinstall.tmpC:\Windows\system32\is-L8LLC.tmptext
MD5:CF295F9A323B1EC8B196E598636E78E4
SHA256:3D2C39C2275A2DCF0200CEE799956C8D3DF2CA9B9C9F2D5CA744143AA58EEED3
3196wufinstall.tmpC:\Windows\System32\anim.dllexecutable
MD5:B9C2EB1291BACAF8D979D7DF06D1E4EE
SHA256:45E7070BB56530AC910160BA703428EB1F1A390C508C04DEB894A5B921D04C62
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4
System
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

No data

Threats

No threats detected
No debug info
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Reports
wufinstall.exe