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

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

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

    • Executable content was dropped or overwritten

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

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

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

    • The process drops C-runtime libraries

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

    • Process drops legitimate windows executable

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

    • Uses ICACLS.EXE to modify access control lists

      • 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

    • Create files in a temporary directory

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

    • Reads the computer name

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

    • The sample compiled with english language support

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

    • 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)

    • Creates files or folders in the user directory

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

    • 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:\Program Files\SteamTools\SteamTools.exeexecutable
MD5:E45BFB5EDCC03451A85BC505298FBC16
SHA256:7AFCB8D488F34E284DEEF1559DBC0D46D1BD68E226928E5B583169A1FD275842
5332st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nskCFA8.tmp\modern-header.bmpimage
MD5:F1928D020EBD3BF2C54FB46B3253F2A9
SHA256:A928EDA70352B4BF7FE85EBEE91B1CA819AD78A4DBA4547B95A1A3FFF51F89DD
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\Qt5Gui.dllexecutable
MD5:47307A1E2E9987AB422F09771D590FF1
SHA256:5E7D2D41B8B92A880E83B8CC0CA173F5DA61218604186196787EE1600956BE1E
5332st-setup-1.8.16.exeC:\Users\admin\AppData\Local\Temp\nskCFA7.tmp —
MD5:—
SHA256:—
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Core.dllexecutable
MD5:817520432A42EFA345B2D97F5C24510E
SHA256:8D2FF4CE9096DDCCC4F4CD62C2E41FC854CFD1B0D6E8D296645A7F5FD4AE565A
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Core.dllexecutable
MD5:4BE563C65FF66351F94035D6B5624CC7
SHA256:C0EFDB388A3D1AAC1507B3DAABE63E7A3283AF81B1D1C04FDD1CA9F837882D51
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\vcruntime140_1.dllexecutable
MD5:3B22B2EC303B0721827DD768C87DF6ED
SHA256:3B792DA47040C3B3E0804CDC5153EEF4E802B6975963029D8DC360CB824A7B62
5332st-setup-1.8.16.exeC:\Program Files\SteamTools\Qt5Network.dllexecutable
MD5:3569693D5BAE82854DE1D88F86C33184
SHA256:4EF341AE9302E793878020F0740B09B0F31CB380408A697F75C69FDBD20FC7A1
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
4228
backgroundTaskHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
—
—
whitelisted
—
—
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
—
—
unknown
1164
SteamTools.exe
GET
200
8.133.135.83:80
http://stools.oss-cn-shanghai.aliyuncs.com/version2.txt
unknown
—
—
unknown
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%20Update%20Secure%20Server%20CA%202.1.crl
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
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
1164
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)
1164
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