File name:

st-setup-1.8.16.exe

Full analysis: https://app.any.run/tasks/4b068f4c-61b7-452e-beeb-3bf437c5d55a
Verdict: Malicious activity
Analysis date: May 16, 2025, 18:40:09
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

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

      • st-setup-1.8.16.exe (PID: 5548)

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

      • st-setup-1.8.16.exe (PID: 5548)

    • Process drops legitimate windows executable

      • st-setup-1.8.16.exe (PID: 5548)

    • Executable content was dropped or overwritten

      • st-setup-1.8.16.exe (PID: 5548)

    • Uses ICACLS.EXE to modify access control lists

      • st-setup-1.8.16.exe (PID: 5548)

    • The process drops C-runtime libraries

      • st-setup-1.8.16.exe (PID: 5548)

    • Creates a software uninstall entry

      • st-setup-1.8.16.exe (PID: 5548)

    • Explorer used for Indirect Command Execution

      • explorer.exe (PID: 4172)

    • Executing commands from a ".bat" file

      • explorer.exe (PID: 5756)

    • There is functionality for taking screenshot (YARA)

      • st-setup-1.8.16.exe (PID: 5548)

    • Starts CMD.EXE for commands execution

      • explorer.exe (PID: 5756)

  • INFO

    • Creates files in the program directory

      • st-setup-1.8.16.exe (PID: 5548)

    • The sample compiled with english language support

      • st-setup-1.8.16.exe (PID: 5548)

    • Create files in a temporary directory

      • st-setup-1.8.16.exe (PID: 5548)

    • Creates files or folders in the user directory

      • st-setup-1.8.16.exe (PID: 5548)

    • Reads security settings of Internet Explorer

      • explorer.exe (PID: 5756)

    • Checks supported languages

      • SteamTools.exe (PID: 2340)

    • Checks proxy server information

      • SteamTools.exe (PID: 2340)

    • Reads the computer name

      • SteamTools.exe (PID: 2340)
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.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
139
Monitored processes
11
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start st-setup-1.8.16.exe 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 st-setup-1.8.16.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1164C:\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
2040\??\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
2340"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
4172"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
4620\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—icacls.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
5116icacls "C:\Program Files\SteamTools" /grant:r "*S-1-5-32-545:(OI)(CI)F" /TC:\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
5176\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—icacls.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
5548"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\nshd4b9.tmp\system.dll
c:\program files\common files\microsoft shared\ink\tiptsf.dll
c:\users\admin\appdata\local\temp\nshd4b9.tmp\nsexec.dll
c:\windows\system32\linkinfo.dll
c:\windows\system32\ntshrui.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\cscapi.dll
c:\windows\system32\netutils.dll
5756C:\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
6620"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:
MEDIUM
Modules
Images
c:\users\admin\appdata\local\temp\st-setup-1.8.16.exe
c:\windows\system32\ntdll.dll
Total events
1 223
Read events
1 212
Write events
11
Delete events
0

Modification events

(PID) Process:(5548) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:DisplayName
Value:
SteamTools
(PID) Process:(5548) 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:(5548) 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:(5548) 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:(5548) 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:(5548) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:NoModify
Value:
1
(PID) Process:(5548) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SteamTools
Operation:writeName:NoRepair
Value:
1
(PID) Process:(5548) st-setup-1.8.16.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\SteamTools
Operation:writeName:Language
Value:
1033
(PID) Process:(2340) SteamTools.exeKey:HKEY_CURRENT_USER\SOFTWARE\Valve\Steamtools
Operation:writeName:fScreenIndex
Value:
0
(PID) Process:(2340) 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
5548st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nshD4B9.tmp\nsDialogs.dllexecutable
MD5:9CBB2C67258DF6CFC08E060BD8AB8309
SHA256:4AEC3A5A78295861C8AD96B70B0520C541EA4DF60651615802AD066780CE2296
5548st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nshD4B9.tmp\modern-wizard.bmpimage
MD5:3614A4BE6B610F1DAF6C801574F161FE
SHA256:16E0EDC9F47E6E95A9BCAD15ADBDC46BE774FBCD045DD526FC16FC38FDC8D49B
5548st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nshD4B9.tmp\System.dllexecutable
MD5:E74573CE106DD95B148BB8B1EF8E3418
SHA256:D12BC87BF84C51C13F0877949BCD719C5B90D9DF8658A2F8036DDC262CB0D87B
5548st-setup-1.8.16.exeC:\Program Files\SteamTools\vcruntime140.dllexecutable
MD5:0C583614EB8FFB4C8C2D9E9880220F1D
SHA256:6CADB4FEF773C23B511ACC8B715A084815C6E41DD8C694BC70090A97B3B03FB9
5548st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nshD4B8.tmp —
MD5:—
SHA256:—
5548st-setup-1.8.16.exeC:\Program Files\SteamTools\imageformats\qico.dllexecutable
MD5:A9ABD4329CA364D4F430EDDCB471BE59
SHA256:1982A635DB9652304131C9C6FF9A693E70241600D2EF22B354962AA37997DE0B
5548st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Svg.dllexecutable
MD5:03761F923E52A7269A6E3A7452F6BE93
SHA256:7348CFC6444438B8845FB3F59381227325D40CA2187D463E82FC7B8E93E38DB5
5548st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nshD4B9.tmp\nsExec.dllexecutable
MD5:DAD419C254E3D26C6329061B8D404093
SHA256:1B19124DF239FA052CE3E8E3746022E38C149F75A11D7474D6EB60038E86B853
5548st-setup-1.8.16.exeC:\Program Files\SteamTools\platforms\qwindows.dllexecutable
MD5:4931FCD0E86C4D4F83128DC74E01EAAD
SHA256:3333BA244C97264E3BD19DB5953EFA80A6E47AACED9D337AC3287EC718162B85
5548st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Core.dllexecutable
MD5:817520432A42EFA345B2D97F5C24510E
SHA256:8D2FF4CE9096DDCCC4F4CD62C2E41FC854CFD1B0D6E8D296645A7F5FD4AE565A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
20
DNS requests
16
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
—
—
GET
200
23.48.23.164:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
2340
SteamTools.exe
GET
302
122.188.44.139:80
http://new-service.biliapi.net/picture/chatres/update/version2.txt
unknown
—
—
unknown
2340
SteamTools.exe
GET
200
8.133.135.83:80
http://stools.oss-cn-shanghai.aliyuncs.com/version2.txt
unknown
—
—
unknown
4620
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
4620
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
192.168.100.255:138
—
—
—
whitelisted
976
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
23.48.23.164:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
—
—
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
6544
svchost.exe
20.190.160.20:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
2.17.190.73:80
ocsp.digicert.com
AKAMAI-AS
DE
whitelisted
3216
svchost.exe
172.211.123.249:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
FR
whitelisted
2104
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 51.104.136.2
whitelisted
google.com
  • 142.250.185.206
whitelisted
crl.microsoft.com
  • 23.48.23.164
  • 23.48.23.158
  • 23.48.23.168
  • 23.48.23.161
  • 23.48.23.169
  • 23.48.23.176
  • 23.48.23.170
  • 23.48.23.157
  • 23.48.23.177
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted
login.live.com
  • 20.190.160.20
  • 20.190.160.66
  • 20.190.160.14
  • 20.190.160.3
  • 20.190.160.64
  • 40.126.32.76
  • 40.126.32.72
  • 40.126.32.136
whitelisted
ocsp.digicert.com
  • 2.17.190.73
whitelisted
client.wns.windows.com
  • 172.211.123.249
whitelisted
steamtools.info
  • —
unknown
new-service.biliapi.net
  • 122.188.44.139
  • 59.83.212.226
  • 202.97.231.78
  • 122.188.45.140
  • 119.188.174.59
  • 101.72.254.91
  • 116.196.150.249
  • 60.221.17.73
  • 122.188.45.51
  • 122.188.45.182
  • 123.6.40.124
  • 119.188.174.58
unknown
stools.oss-cn-shanghai.aliyuncs.com
  • 8.133.135.83
unknown

Threats

PID
Process
Class
Message
2340
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)
2340
SteamTools.exe
Misc activity
INFO [ANY.RUN] USER_AGENTS Suspicious User-Agent (Mozilla/5.0)
No debug info
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Reports
st-setup-1.8.16.exe