File name:

st-setup-1.8.16.exe

Full analysis: https://app.any.run/tasks/d20dd86a-5e90-44bc-bb11-91d4068caf37
Verdict: Malicious activity
Analysis date: March 20, 2025, 18:56:23
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows, 9 sections
MD5:

9C42F5CCAE30AFC9C70C924D543924F8

SHA1:

4E3C555CFEE82D23ACFDDA4754C0870F455156E8

SHA256:

80B6573208F2179C97CE64FF731269E349A07A3969C1198BF5A9092C5A01555C

SSDEEP:

98304:J+dm8gYux7Ede4oqZSYVgnSoPV7dquc8GV+x7YjvyeSdRYTUhQ5WwwFPc7xqSG6i:PvI2akT6ZJJW6dEQK

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

    • The process creates files with name similar to system file names

      • st-setup-1.8.16.exe (PID: 5332)

    • Malware-specific behavior (creating "System.dll" in Temp)

      • st-setup-1.8.16.exe (PID: 5332)

    • Process drops legitimate windows executable

      • st-setup-1.8.16.exe (PID: 5332)

    • Executable content was dropped or overwritten

      • st-setup-1.8.16.exe (PID: 5332)

    • Uses ICACLS.EXE to modify access control lists

      • st-setup-1.8.16.exe (PID: 5332)

    • The process drops C-runtime libraries

      • st-setup-1.8.16.exe (PID: 5332)

    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 736)

    • Executing commands from a ".bat" file

      • explorer.exe (PID: 1300)

    • Starts CMD.EXE for commands execution

      • explorer.exe (PID: 1300)

  • INFO

    • Reads the computer name

      • st-setup-1.8.16.exe (PID: 5332)
      • SteamTools.exe (PID: 1164)

    • Checks supported languages

      • st-setup-1.8.16.exe (PID: 5332)
      • SteamTools.exe (PID: 1164)

    • Creates files in the program directory

      • st-setup-1.8.16.exe (PID: 5332)

    • The sample compiled with english language support

      • st-setup-1.8.16.exe (PID: 5332)

    • Creates files or folders in the user directory

      • st-setup-1.8.16.exe (PID: 5332)
      • BackgroundTransferHost.exe (PID: 6272)

    • Create files in a temporary directory

      • st-setup-1.8.16.exe (PID: 5332)

    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 1300)
      • BackgroundTransferHost.exe (PID: 6272)

    • Checks proxy server information

      • SteamTools.exe (PID: 1164)

    • Reads the software policy settings

      • BackgroundTransferHost.exe (PID: 6272)
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) (87.3)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

MachineType: AMD AMD64
TimeStamp: 2025:02:08 08:30:59+00:00
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, Large address aware, No debug
PEType: PE32+
LinkerVersion: 2.38
CodeSize: 36352
InitializedDataSize: 51200
UninitializedDataSize: 246784
EntryPoint: 0x4560
OSVersion: 5.1
ImageVersion: 6
SubsystemVersion: 5.1
Subsystem: Windows GUI
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
149
Monitored processes
18
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start st-setup-1.8.16.exe sppextcomobj.exe no specs slui.exe no specs icacls.exe no specs conhost.exe no specs icacls.exe no specs conhost.exe no specs explorer.exe no specs explorer.exe no specs cmd.exe no specs conhost.exe no specs steamtools.exe backgroundtransferhost.exe no specs backgroundtransferhost.exe backgroundtransferhost.exe no specs backgroundtransferhost.exe no specs backgroundtransferhost.exe no specs st-setup-1.8.16.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
516"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
736"C:\WINDOWS\explorer.exe" "C:\Users\admin\AppData\Local\Temp\SteamTools_launcher.bat"C:\Windows\explorer.exe—st-setup-1.8.16.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Explorer
Exit code:
1
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
736"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
780"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
1164"C:\Program Files\SteamTools\SteamTools.exe" C:\Program Files\SteamTools\SteamTools.exe
cmd.exe
User:
admin
Company:
steamtools.net
Integrity Level:
MEDIUM
Description:
Steamtools
Version:
1.8.1.5
Modules
Images
c:\program files\steamtools\steamtools.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
1168C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\SteamTools_launcher.bat" "C:\Windows\System32\cmd.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cmdext.dll
c:\windows\system32\advapi32.dll
1188"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1C:\Windows\System32\BackgroundTransferHost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Download/Upload Host
Exit code:
1
Version:
10.0.19041.3636 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll
1300C:\WINDOWS\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -EmbeddingC:\Windows\explorer.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
10.0.19041.3758 (WinBuild.160101.0800)
Modules
Images
c:\windows\explorer.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\shcore.dll
2136\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
2240icacls "C:\Program Files\SteamTools\*.*" /grant:r "*S-1-5-32-545:(OI)(CI)F"C:\Windows\System32\icacls.exe—st-setup-1.8.16.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\icacls.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
Total events
3 156
Read events
3 129
Write events
27
Delete events
0

Modification events

(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:DisplayName
Value:
SteamTools
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:UninstallString
Value:
"C:\Program Files\SteamTools\Uninstall.exe"
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:QuietUninstallString
Value:
"C:\Program Files\SteamTools\Uninstall.exe" /S
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:InstallLocation
Value:
C:\Program Files\SteamTools
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:DisplayIcon
Value:
C:\Program Files\SteamTools\SteamTools.exe,0
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:NoModify
Value:
1
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:NoRepair
Value:
1
(PID) Process:(5332) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\SteamTools
Operation:writeName:Language
Value:
1033
(PID) Process:(1164) SteamTools.exeKey:HKEY_CURRENT_USER\SOFTWARE\Valve\Steamtools
Operation:writeName:FloatingVisible
Value:
true
(PID) Process:(1300) explorer.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:writeName:SlowContextMenuEntries
Value:
6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A780390100009AD298B2EDA6DE11BA8CA68E55D895936E000000
Executable files
17
Suspicious files
8
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
5332st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nskCFA8.tmp\nsDialogs.dllexecutable
MD5:9CBB2C67258DF6CFC08E060BD8AB8309
SHA256:4AEC3A5A78295861C8AD96B70B0520C541EA4DF60651615802AD066780CE2296
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Core.dllexecutable
MD5:817520432A42EFA345B2D97F5C24510E
SHA256:8D2FF4CE9096DDCCC4F4CD62C2E41FC854CFD1B0D6E8D296645A7F5FD4AE565A
5332st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nskCFA8.tmp\modern-wizard.bmpimage
MD5:3614A4BE6B610F1DAF6C801574F161FE
SHA256:16E0EDC9F47E6E95A9BCAD15ADBDC46BE774FBCD045DD526FC16FC38FDC8D49B
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Widgets.dllexecutable
MD5:4CD1F8FDCD617932DB131C3688845EA8
SHA256:3788C669D4B645E5A576DE9FC77FCA776BF516D43C89143DC2CA28291BA14358
5332st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nskCFA7.tmp —
MD5:—
SHA256:—
5332st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nskCFA8.tmp\System.dllexecutable
MD5:E74573CE106DD95B148BB8B1EF8E3418
SHA256:D12BC87BF84C51C13F0877949BCD719C5B90D9DF8658A2F8036DDC262CB0D87B
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Svg.dllexecutable
MD5:03761F923E52A7269A6E3A7452F6BE93
SHA256:7348CFC6444438B8845FB3F59381227325D40CA2187D463E82FC7B8E93E38DB5
6272BackgroundTransferHost.exeC:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\de791ffe-edde-4548-b133-68a3aeacc5dc.down_data —
MD5:—
SHA256:—
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Core.dllexecutable
MD5:4BE563C65FF66351F94035D6B5624CC7
SHA256:C0EFDB388A3D1AAC1507B3DAABE63E7A3283AF81B1D1C04FDD1CA9F837882D51
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\SteamTools.exeexecutable
MD5:E45BFB5EDCC03451A85BC505298FBC16
SHA256:7AFCB8D488F34E284DEEF1559DBC0D46D1BD68E226928E5B583169A1FD275842
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
28
DNS requests
17
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
23.48.23.145:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
6544
svchost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
1164
SteamTools.exe
GET
302
202.97.231.78:80
http://new-service.biliapi.net/picture/chatres/update/version2.txt
unknown
—
—
—
1164
SteamTools.exe
GET
200
8.133.135.83:80
http://stools.oss-cn-shanghai.aliyuncs.com/version2.txt
unknown
—
—
—
4228
backgroundTaskHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
6272
BackgroundTransferHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
5024
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
—
—
whitelisted
5024
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.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
—
—
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
—
—
23.48.23.145:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
2104
svchost.exe
40.127.240.158:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
unknown
—
—
192.168.100.255:138
—
—
—
whitelisted
3216
svchost.exe
40.113.110.67:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
20.190.160.130:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6544
svchost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
4228
backgroundTaskHost.exe
20.31.169.57:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4228
backgroundTaskHost.exe
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
1164
SteamTools.exe
202.97.231.78:80
new-service.biliapi.net
CHINA UNICOM China169 Backbone
CN
suspicious

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.185.142
whitelisted
crl.microsoft.com
  • 23.48.23.145
  • 23.48.23.147
  • 23.48.23.194
  • 23.48.23.164
  • 23.48.23.141
  • 23.48.23.173
  • 23.48.23.166
whitelisted
client.wns.windows.com
  • 40.113.110.67
whitelisted
login.live.com
  • 20.190.160.130
  • 40.126.32.68
  • 20.190.160.2
  • 40.126.32.140
  • 40.126.32.133
  • 20.190.160.65
  • 20.190.160.4
  • 20.190.160.22
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
arc.msn.com
  • 20.31.169.57
whitelisted
steamtools.info
  • —
unknown
new-service.biliapi.net
  • 202.97.231.78
  • 123.6.37.172
  • 123.6.40.124
  • 101.72.251.52
unknown
stools.oss-cn-shanghai.aliyuncs.com
  • 8.133.135.83
unknown
www.bing.com
  • 2.19.96.11
  • 2.19.96.80
  • 2.19.96.26
  • 2.19.96.129
  • 2.19.96.83
  • 2.19.96.66
  • 2.19.96.128
whitelisted

Threats

PID
Process
Class
Message
—
—
Misc activity
INFO [ANY.RUN] USER_AGENTS Suspicious User-Agent (Mozilla/5.0)
—
—
Misc activity
ET INFO DNS Query to Alibaba Cloud CDN Domain (aliyuncs .com)
—
—
Misc activity
INFO [ANY.RUN] USER_AGENTS Suspicious User-Agent (Mozilla/5.0)
No debug info
Interactive malware hunting service ANY.RUN
© 2017-2025 ANY.RUN LLC. ALL RIGHTS RESERVED
ANY.RUN
Reports
st-setup-1.8.16.exe