File name:

FastCopy5.8.1_installer.exe

Full analysis: https://app.any.run/tasks/115f35a0-f0b5-4c88-b5c0-c013ef6f5b89
Verdict: Malicious activity
Analysis date: April 17, 2025, 22:42:01
OS: Windows 10 Professional (build: 19044, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 4 sections
MD5:

164171BF6581DB0D51FBDD29F28C7ACE

SHA1:

AA56DDB88151181F6B6B085295BDA026AB442AD1

SHA256:

8CF334A89D788442D5C8A7CAC8CADAF1670C161A29229771641A03ACD5A4B0EC

SSDEEP:

98304:BQnBNXAFr8Oo8R9mHPIfvMMKv56B0mdXHSqimhgKxhuzBBRGptgzxEz2dvUlJJH4:320HboP

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

    No malicious indicators.
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • FastCopy5.8.1_installer.exe (PID: 5176)
    • Creates a software uninstall entry

      • FastCopy5.8.1_installer.exe (PID: 5176)
    • Reads security settings of Internet Explorer

      • FastCopy5.8.1_installer.exe (PID: 5176)
  • INFO

    • Checks supported languages

      • FastCopy5.8.1_installer.exe (PID: 5176)
      • FastCopy.exe (PID: 5260)
    • Reads the computer name

      • FastCopy5.8.1_installer.exe (PID: 5176)
      • FastCopy.exe (PID: 5260)
    • The sample compiled with japanese language support

      • FastCopy5.8.1_installer.exe (PID: 5176)
    • Creates files or folders in the user directory

      • FastCopy5.8.1_installer.exe (PID: 5176)
    • Reads the machine GUID from the registry

      • FastCopy5.8.1_installer.exe (PID: 5176)
      • FastCopy.exe (PID: 5260)
    • Process checks computer location settings

      • FastCopy5.8.1_installer.exe (PID: 5176)
    • Process checks whether UAC notifications are on

      • FastCopy.exe (PID: 5260)
    • Checks proxy server information

      • slui.exe (PID: 5228)
    • Reads the software policy settings

      • slui.exe (PID: 5228)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (76.4)
.exe | Win32 Executable (generic) (12.4)
.exe | Generic Win/DOS Executable (5.5)
.exe | DOS Executable Generic (5.5)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2025:01:27 13:23:35+00:00
ImageFileCharacteristics: No relocs, Executable, 32-bit
PEType: PE32
LinkerVersion: 14.16
CodeSize: 373760
InitializedDataSize: 271360
UninitializedDataSize: -
EntryPoint: 0x3cdab
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 5.8.1.0
ProductVersionNumber: 5.8.1.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Japanese
CharacterSet: Unicode
Comments: https://fastcopy.jp
CompanyName: FastCopy Lab, LLC.
FileDescription: FastCopy Installer
FileVersion: 5.8.1.0
InternalName: FastCopy Installer
LegalCopyright: Copyright (C) 2004-2025 SHIROUZU Hiroaki and FastCopy Lab, LLC. All rights reserved.
OriginalFileName: setup.exe
ProductName: FastCopy
ProductVersion: 5.8.1.0
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
131
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start fastcopy5.8.1_installer.exe fastcopy.exe no specs slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
5176"C:\Users\admin\Desktop\FastCopy5.8.1_installer.exe" C:\Users\admin\Desktop\FastCopy5.8.1_installer.exe
explorer.exe
User:
admin
Company:
FastCopy Lab, LLC.
Integrity Level:
MEDIUM
Description:
FastCopy Installer
Exit code:
0
Version:
5.8.1.0
Modules
Images
c:\users\admin\desktop\fastcopy5.8.1_installer.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\ole32.dll
5228C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
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
5260"C:\Users\admin\FastCopy\FastCopy.exe" /INSTALLC:\Users\admin\FastCopy\FastCopy.exeFastCopy5.8.1_installer.exe
User:
admin
Company:
FastCopy Lab, LLC.
Integrity Level:
MEDIUM
Description:
FastCopy
Version:
5.8.1.0
Modules
Images
c:\users\admin\fastcopy\fastcopy.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
3 905
Read events
3 894
Write events
11
Delete events
0

Modification events

(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:DisplayName
Value:
FastCopy
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:UninstallString
Value:
C:\Users\admin\FastCopy\setup.exe /r
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:DisplayIcon
Value:
C:\Users\admin\FastCopy\FastCopy.exe
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:DisplayVersion
Value:
5.8.1
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:Publisher
Value:
H.Shirouzu & FastCopy Lab, LLC.
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:EstimatedSize
Value:
4100
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:HelpLink
Value:
https://fastcopy.jp/help/fastcopy.htm
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:URLUpdateInfo
Value:
https://fastcopy.jp
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:URLInfoAbout
Value:
https://github.com/FastCopyLab/FastCopy/issues
(PID) Process:(5176) FastCopy5.8.1_installer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\FastCopy
Operation:writeName:Comments
Value:
pub-setup@fastcopy.jp
Executable files
8
Suspicious files
8
Text files
4
Unknown types
0

Dropped files

PID
Process
Filename
Type
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\FastEx11.dllexecutable
MD5:627033483CFC93A3786332BBF547C758
SHA256:AFDADEB9792D89224F77570AE6F922F0EFFBDD2482FC8BB8752144AC93BE87AD
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\setup.exeexecutable
MD5:E5B4797E8B57BCEC4C4B5FAEF42103AA
SHA256:AB29422E33A34D5B2CEBB3DD2C6479D00092A5D4833FDD242935CAC30A27506E
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\FastCopy.exeexecutable
MD5:B93F2734287F99C39F284ADCE862549B
SHA256:78964A1AC0A253CB78A93799570F40D872D58CADE2AE17F0CAE97A46D8CB235E
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\doc\readme.txttext
MD5:07ACD98455DE753F9552E9700B765E59
SHA256:FCD0996E5E5DACD3C37D0D2F7B43790625895A263EFFACF3DBE93CA6D62A6970
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\msix\fastcopy2.msixcompressed
MD5:7BACFC5250BAF07D57EEA758354AA84D
SHA256:E1A63363D2CDE77246FCEC4152A3406B5288A15F7D834A1BA1BA300F7CDA6162
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\doc\FastCopy_cn.chmbinary
MD5:06A7D5E19C53F4272FF2893154B8A58C
SHA256:2BD4CBED9E52794FCB66C43AE6A761732BADEE035B7C3D36421F461EDD339927
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\doc\readme_cn.txttext
MD5:D6CB3491B8A60275FF5FE9015A662C9B
SHA256:CDDEC3E650981AACCEB8F8E540A34F2F87E678592BB02C3568761E55A1362281
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\doc\readme_eng.txttext
MD5:F9873E37D88201E19A30A7B9D7BA6BB8
SHA256:83531B928D79974D6E4FB377CF364BF587B31A28F85EB49876666CEA4B3D31A8
5260FastCopy.exeC:\Users\admin\FastCopy\FastCopy2.initext
MD5:7CEAA3E140112B9168C18B855D3BB08C
SHA256:75304CED417E903BA5F08E3696DBEA2A5112C9297C45E60BBCB5E85A64C1AD2B
5176FastCopy5.8.1_installer.exeC:\Users\admin\FastCopy\doc\xxhash-LICENSE.txttext
MD5:13BE6B481FF5616F77DDA971191BB29B
SHA256:6FFEDBC0F7878612D2B23589F1FF2AB15633E1DF7963A5D9FC750EC5500C7E7A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
29
TCP/UDP connections
51
DNS requests
15
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2340
RUXIMICS.exe
GET
200
23.216.77.25:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
304
20.109.210.53:443
https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL
unknown
unknown
GET
200
20.109.210.53:443
https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL
unknown
unknown
5064
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl
unknown
whitelisted
5064
SIHClient.exe
GET
200
2.16.164.72:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl
unknown
whitelisted
5064
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
5064
SIHClient.exe
GET
200
2.16.164.72:80
http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl
unknown
whitelisted
5064
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl
unknown
whitelisted
5064
SIHClient.exe
GET
200
95.101.149.131:80
http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl
unknown
whitelisted
GET
200
20.109.210.53:443
https://slscr.update.microsoft.com/SLS/%7BE7A50285-D08D-499D-9FF8-180FDC2332BC%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL
unknown
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2340
RUXIMICS.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
172.211.123.250:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
6544
svchost.exe
40.126.32.138:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2340
RUXIMICS.exe
23.216.77.25:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
3216
svchost.exe
172.211.123.250:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
4
System
192.168.100.255:137
whitelisted
2104
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5064
SIHClient.exe
52.149.20.212:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
  • 40.127.240.158
whitelisted
client.wns.windows.com
  • 172.211.123.250
  • 172.211.123.249
whitelisted
google.com
  • 172.217.23.110
whitelisted
login.live.com
  • 40.126.32.138
  • 40.126.32.134
  • 20.190.160.65
  • 20.190.160.3
  • 20.190.160.2
  • 20.190.160.5
  • 20.190.160.128
  • 20.190.160.17
whitelisted
crl.microsoft.com
  • 23.216.77.25
  • 23.216.77.36
  • 23.216.77.8
  • 2.16.164.72
  • 2.16.164.106
whitelisted
slscr.update.microsoft.com
  • 52.149.20.212
whitelisted
www.microsoft.com
  • 95.101.149.131
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
nexusrules.officeapps.live.com
  • 52.111.229.43
whitelisted
activation-v2.sls.microsoft.com
  • 20.83.72.98
whitelisted

Threats

No threats detected
No debug info