File name:

st-setup-1.8.16.exe

Full analysis: https://app.any.run/tasks/b210119e-3b2d-4e37-980f-f4450e52fb6a
Verdict: Malicious activity
Analysis date: March 30, 2025, 05:32:07
OS: Windows 10 Professional (build: 19044, 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

    • Uses ICACLS.EXE to modify access control lists

      • st-setup-1.8.16.exe (PID: 7180)
    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 7840)
    • Creates a software uninstall entry

      • st-setup-1.8.16.exe (PID: 7180)
    • Starts CMD.EXE for commands execution

      • explorer.exe (PID: 7876)
    • Executing commands from a ".bat" file

      • explorer.exe (PID: 7876)
    • Malware-specific behavior (creating "System.dll" in Temp)

      • st-setup-1.8.16.exe (PID: 7180)
    • Executable content was dropped or overwritten

      • st-setup-1.8.16.exe (PID: 7180)
    • The process creates files with name similar to system file names

      • st-setup-1.8.16.exe (PID: 7180)
    • The process drops C-runtime libraries

      • st-setup-1.8.16.exe (PID: 7180)
    • Process drops legitimate windows executable

      • st-setup-1.8.16.exe (PID: 7180)
  • INFO

    • Create files in a temporary directory

      • st-setup-1.8.16.exe (PID: 7180)
    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 7876)
    • Reads the computer name

      • SteamTools.exe (PID: 7984)
      • st-setup-1.8.16.exe (PID: 7180)
    • Checks proxy server information

      • SteamTools.exe (PID: 7984)
    • Checks supported languages

      • SteamTools.exe (PID: 7984)
      • st-setup-1.8.16.exe (PID: 7180)
      • SteamTools.exe (PID: 1512)
      • SteamTools.exe (PID: 6988)
      • SteamTools.exe (PID: 4696)
      • SteamTools.exe (PID: 1324)
    • Manual execution by a user

      • SteamTools.exe (PID: 1512)
      • SteamTools.exe (PID: 6988)
      • SteamTools.exe (PID: 1324)
      • SteamTools.exe (PID: 4696)
    • Creates files in the program directory

      • st-setup-1.8.16.exe (PID: 7180)
    • The sample compiled with english language support

      • st-setup-1.8.16.exe (PID: 7180)
    • Creates files or folders in the user directory

      • st-setup-1.8.16.exe (PID: 7180)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
147
Monitored processes
17
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 steamtools.exe no specs steamtools.exe no specs steamtools.exe no specs steamtools.exe no specs st-setup-1.8.16.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1324"C:\Program Files\SteamTools\SteamTools.exe" C:\Program Files\SteamTools\SteamTools.exeexplorer.exe
User:
admin
Company:
steamtools.net
Integrity Level:
MEDIUM
Description:
Steamtools
Exit code:
0
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\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\program files\steamtools\qt5network.dll
c:\windows\system32\gdi32full.dll
c:\program files\steamtools\qt5svg.dll
1512"C:\Program Files\SteamTools\SteamTools.exe" C:\Program Files\SteamTools\SteamTools.exeexplorer.exe
User:
admin
Company:
steamtools.net
Integrity Level:
MEDIUM
Description:
Steamtools
Exit code:
0
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
4696"C:\Program Files\SteamTools\SteamTools.exe" C:\Program Files\SteamTools\SteamTools.exeexplorer.exe
User:
admin
Company:
steamtools.net
Integrity Level:
MEDIUM
Description:
Steamtools
Exit code:
0
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\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\program files\steamtools\qt5svg.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
5972"C:\Users\admin\AppData\Local\Temp\st-setup-1.8.16.exe" C:\Users\admin\AppData\Local\Temp\st-setup-1.8.16.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\st-setup-1.8.16.exe
c:\windows\system32\ntdll.dll
6988"C:\Program Files\SteamTools\SteamTools.exe" C:\Program Files\SteamTools\SteamTools.exeexplorer.exe
User:
admin
Company:
steamtools.net
Integrity Level:
MEDIUM
Description:
Steamtools
Exit code:
0
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\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
7180"C:\Users\admin\AppData\Local\Temp\st-setup-1.8.16.exe" C:\Users\admin\AppData\Local\Temp\st-setup-1.8.16.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\st-setup-1.8.16.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.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
7236C:\WINDOWS\system32\SppExtComObj.exe -EmbeddingC:\Windows\System32\SppExtComObj.Exesvchost.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
KMS Connection Broker
Version:
10.0.19041.3996 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\sppextcomobj.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\oleaut32.dll
7268"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.exeSppExtComObj.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
7700icacls "C:\Program Files\SteamTools" /grant:r "*S-1-5-32-545:(OI)(CI)F" /TC:\Windows\System32\icacls.exest-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
7708\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exeicacls.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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
Total events
1 701
Read events
1 678
Write events
23
Delete events
0

Modification events

(PID) Process:(7180) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:DisplayName
Value:
SteamTools
(PID) Process:(7180) 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:(7180) 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:(7180) 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:(7180) 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:(7180) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:NoModify
Value:
1
(PID) Process:(7180) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:NoRepair
Value:
1
(PID) Process:(7180) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\SteamTools
Operation:writeName:Language
Value:
1033
(PID) Process:(7984) SteamTools.exeKey:HKEY_CURRENT_USER\SOFTWARE\Valve\Steamtools
Operation:writeName:fScreenIndex
Value:
0
(PID) Process:(7984) SteamTools.exeKey:HKEY_CURRENT_USER\SOFTWARE\Valve\Steamtools
Operation:writeName:fPosition
Value:
@Point(610 100)
Executable files
17
Suspicious files
3
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
7180st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Network.dllexecutable
MD5:3569693D5BAE82854DE1D88F86C33184
SHA256:4EF341AE9302E793878020F0740B09B0F31CB380408A697F75C69FDBD20FC7A1
7180st-setup-1.8.16.exeC:\Program Files\SteamTools\vcruntime140_1.dllexecutable
MD5:3B22B2EC303B0721827DD768C87DF6ED
SHA256:3B792DA47040C3B3E0804CDC5153EEF4E802B6975963029D8DC360CB824A7B62
7180st-setup-1.8.16.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\SteamTools\SteamTools.lnkbinary
MD5:3295DDE398A68C508CF811B16469AB69
SHA256:D8D1F244F327F2EF81FB5EBB878D8B18714C038F3B237A04E685CF98C64269CF
7180st-setup-1.8.16.exeC:\Users\admin\Desktop\SteamTools.lnkbinary
MD5:C309C633856A537B3FE88A2F23A666D9
SHA256:FDA79912199DC61D26B27A81AED706329BDE1E42D74AE64FAA4205719ECCCCC4
7180st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nssBDB5.tmp
MD5:
SHA256:
7180st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nssBDB6.tmp\modern-wizard.bmpimage
MD5:3614A4BE6B610F1DAF6C801574F161FE
SHA256:16E0EDC9F47E6E95A9BCAD15ADBDC46BE774FBCD045DD526FC16FC38FDC8D49B
7180st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Widgets.dllexecutable
MD5:4CD1F8FDCD617932DB131C3688845EA8
SHA256:3788C669D4B645E5A576DE9FC77FCA776BF516D43C89143DC2CA28291BA14358
7180st-setup-1.8.16.exeC:\Program Files\SteamTools\vcruntime140.dllexecutable
MD5:0C583614EB8FFB4C8C2D9E9880220F1D
SHA256:6CADB4FEF773C23B511ACC8B715A084815C6E41DD8C694BC70090A97B3B03FB9
7180st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nssBDB6.tmp\System.dllexecutable
MD5:E74573CE106DD95B148BB8B1EF8E3418
SHA256:D12BC87BF84C51C13F0877949BCD719C5B90D9DF8658A2F8036DDC262CB0D87B
7180st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nssBDB6.tmp\modern-header.bmpimage
MD5:F1928D020EBD3BF2C54FB46B3253F2A9
SHA256:A928EDA70352B4BF7FE85EBEE91B1CA819AD78A4DBA4547B95A1A3FFF51F89DD
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
18
DNS requests
19
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
GET
200
23.216.77.42:80
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
7984
SteamTools.exe
GET
302
116.196.152.247:80
http://new-service.biliapi.net/picture/chatres/update/version2.txt
unknown
unknown
7984
SteamTools.exe
GET
200
8.133.135.83:80
http://stools.oss-cn-shanghai.aliyuncs.com/version2.txt
unknown
unknown
4448
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
4448
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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
4
System
192.168.100.255:137
whitelisted
4
System
192.168.100.255:138
whitelisted
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
23.216.77.42:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
6544
svchost.exe
40.126.32.68:443
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
2104
svchost.exe
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
7984
SteamTools.exe
116.196.152.247:80
new-service.biliapi.net
CN
suspicious
7984
SteamTools.exe
8.133.135.83:80
stools.oss-cn-shanghai.aliyuncs.com
Hangzhou Alibaba Advertising Co.,Ltd.
CN
unknown
4448
SIHClient.exe
172.202.163.200:443
slscr.update.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
GB
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
  • 20.73.194.208
whitelisted
crl.microsoft.com
  • 23.216.77.42
  • 23.216.77.6
whitelisted
google.com
  • 172.217.16.206
whitelisted
client.wns.windows.com
whitelisted
login.live.com
  • 40.126.32.68
  • 20.190.160.3
  • 20.190.160.67
  • 40.126.32.134
  • 20.190.160.22
  • 20.190.160.14
  • 40.126.32.136
  • 20.190.160.65
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
steamtools.info
unknown
new-service.biliapi.net
  • 116.196.152.247
  • 221.204.16.62
  • 202.97.231.78
  • 123.6.40.124
  • 116.162.9.226
  • 36.248.43.254
  • 211.91.65.232
  • 59.83.212.226
  • 101.72.254.91
  • 119.188.174.58
  • 116.196.152.179
  • 122.192.127.62
unknown
stools.oss-cn-shanghai.aliyuncs.com
  • 8.133.135.83
unknown
slscr.update.microsoft.com
  • 172.202.163.200
whitelisted

Threats

PID
Process
Class
Message
7984
SteamTools.exe
Misc activity
INFO [ANY.RUN] USER_AGENTS Suspicious User-Agent (Mozilla/5.0)
2196
svchost.exe
Misc activity
ET INFO DNS Query to Alibaba Cloud CDN Domain (aliyuncs .com)
7984
SteamTools.exe
Misc activity
INFO [ANY.RUN] USER_AGENTS Suspicious User-Agent (Mozilla/5.0)
No debug info