File name:

Steamtools.zip

Full analysis: https://app.any.run/tasks/b6eca339-ce84-4f3c-a5a6-0c6cf501c6f3
Verdict: Malicious activity
Analysis date: August 16, 2024, 10:00:41
OS: Windows 10 Professional (build: 19045, 64 bit)
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=store
MD5:

A645EA5607D2231435D0312A233DBB24

SHA1:

09ABBEF119CD6397B4B1E3CB879420E73F8EC956

SHA256:

CC9A8EBB09C161013D333B9D5D446F1B717C8EBE714434385039E3A748E1EF9D

SSDEEP:

98304:cLRNfTQAdLSpVHJgsKPSV9v92lrehgu2NVuiR85jFiDKl6RhjG1QsupK+GwJZkPQ:cdCs/5RM4gu8ipzbpxHI6

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

    • Antivirus name has been found in the command line (generic signature)

      • MpCmdRun.exe (PID: 5740)
    • Changes the autorun value in the registry

      • SteamSetup.exe (PID: 6404)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • WinRAR.exe (PID: 6484)
    • Reads security settings of Internet Explorer

      • WinRAR.exe (PID: 6484)
    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 6484)
      • SteamSetup.exe (PID: 6404)
      • SteamService.exe (PID: 6356)
    • Executing commands from a ".bat" file

      • WinRAR.exe (PID: 6484)
    • The process creates files with name similar to system file names

      • SteamSetup.exe (PID: 6404)
    • Malware-specific behavior (creating "System.dll" in Temp)

      • SteamSetup.exe (PID: 6404)
    • Executable content was dropped or overwritten

      • SteamSetup.exe (PID: 6404)
      • SteamService.exe (PID: 6356)
    • Creates a software uninstall entry

      • SteamSetup.exe (PID: 6404)
  • INFO

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 6484)
    • Reads the computer name

      • MpCmdRun.exe (PID: 5740)
      • SteamSetup.exe (PID: 6404)
      • SteamService.exe (PID: 6356)
      • Steam.exe (PID: 6436)
    • Create files in a temporary directory

      • MpCmdRun.exe (PID: 5740)
      • SteamSetup.exe (PID: 6404)
    • Checks supported languages

      • MpCmdRun.exe (PID: 5740)
      • SteamSetup.exe (PID: 6404)
      • SteamService.exe (PID: 6356)
      • Steam.exe (PID: 6436)
    • Manual execution by a user

      • SteamSetup.exe (PID: 2632)
      • SteamSetup.exe (PID: 6404)
      • Steam.exe (PID: 6436)
    • Creates files in the program directory

      • SteamSetup.exe (PID: 6404)
      • SteamService.exe (PID: 6356)
      • Steam.exe (PID: 6436)
    • Reads the software policy settings

      • Steam.exe (PID: 6436)
    • Reads the machine GUID from the registry

      • Steam.exe (PID: 6436)
    • Checks proxy server information

      • Steam.exe (PID: 6436)
    • Reads CPU info

      • Steam.exe (PID: 6436)
    • Creates files or folders in the user directory

      • Steam.exe (PID: 6436)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: None
ZipModifyDate: 2024:04:25 04:26:10
ZipCRC: 0xcfb5ffe9
ZipCompressedSize: 1
ZipUncompressedSize: 1
ZipFileName: config/appdata.vdf
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
145
Monitored processes
10
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe rundll32.exe no specs cmd.exe no specs conhost.exe no specs mpcmdrun.exe no specs steamsetup.exe no specs steamsetup.exe steamservice.exe conhost.exe no specs steam.exe

Process information

PID
CMD
Path
Indicators
Parent process
2632"C:\Users\admin\Desktop\SteamSetup.exe" C:\Users\admin\Desktop\SteamSetup.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Steam
Exit code:
3221226540
Version:
2.10.91.91
Modules
Images
c:\users\admin\desktop\steamsetup.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
3160C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\Rar$VR6484.30569\Rar$Scan43192.bat" "C:\Windows\System32\cmd.exeWinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
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
4844\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.execmd.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
5740"C:\Program Files\Windows Defender\MpCmdRun.exe" -Scan -ScanType 3 -File "C:\Users\admin\AppData\Local\Temp\Rar$VR6484.30569"C:\Program Files\Windows Defender\MpCmdRun.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Malware Protection Command Line Utility
Exit code:
2
Version:
4.18.1909.6 (WinBuild.160101.0800)
Modules
Images
c:\program files\windows defender\mpcmdrun.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\ucrtbase.dll
6332C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -EmbeddingC:\Windows\System32\rundll32.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\rundll32.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\shcore.dll
c:\windows\system32\imagehlp.dll
6344\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exeSteamService.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
6356"C:\Program Files (x86)\Steam\bin\steamservice.exe" /InstallC:\Program Files (x86)\Steam\bin\SteamService.exe
SteamSetup.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
HIGH
Description:
Steam Client Service
Exit code:
0
Version:
08.90.88.32
Modules
Images
c:\program files (x86)\steam\bin\steamservice.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\user32.dll
6404"C:\Users\admin\Desktop\SteamSetup.exe" C:\Users\admin\Desktop\SteamSetup.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Description:
Steam
Exit code:
0
Version:
2.10.91.91
Modules
Images
c:\users\admin\desktop\steamsetup.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\user32.dll
6436"C:\Program Files (x86)\Steam\steam.exe" C:\Program Files (x86)\Steam\Steam.exe
explorer.exe
User:
admin
Company:
Valve Corporation
Integrity Level:
MEDIUM
Description:
Steam
Version:
08.90.88.32
Modules
Images
c:\program files (x86)\steam\steam.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\user32.dll
c:\windows\syswow64\win32u.dll
6484"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\Steamtools.zipC:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.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
Total events
11 309
Read events
11 250
Write events
57
Delete events
2

Modification events

(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\Steamtools.zip
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\VirusScan
Operation:writeName:DefScanner
Value:
Windows Defender
(PID) Process:(6484) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
17
Suspicious files
51
Text files
2 296
Unknown types
36

Dropped files

PID
Process
Filename
Type
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa6484.28260\config\appdata.vdfbinary
MD5:6B31BDFA7F9BFECE263381FFA91BD6A9
SHA256:C555EAB45D08845AE9F10D452A99BFCB06F74A50B988FE7E48DD323789B88EE3
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa6484.28260\config\appdataX.vdfbinary
MD5:7FF0A2EF24DD8E9A9C3CFFEA7C2E842C
SHA256:2FAEB5AE1EE9632F715D2D7698A0EF9F68EA33BD133D9AC4EA52B805A85F27D8
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$VR6484.30569\Steamtools.zip\config\stUI\Release Notes.txttext
MD5:E0881CA6281156D73E810E65666F57AE
SHA256:39D9DD2518F74C79E3C61EAB7743F18D5C8FAEE943A8C4A946C08FCE044EE670
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa6484.28260\config\stUI\Steamtools.exeexecutable
MD5:DA3885C587A33F472FADD34CAA1C9FE0
SHA256:1504397749B658D85757BAF1ABDFEF3D76EDD7BF4E08139203760520A204F8CE
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$VR6484.30569\Steamtools.zip\config\stUI\Steamtools.exeexecutable
MD5:DA3885C587A33F472FADD34CAA1C9FE0
SHA256:1504397749B658D85757BAF1ABDFEF3D76EDD7BF4E08139203760520A204F8CE
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa6484.28260\config\stUI\Release Notes.txttext
MD5:E0881CA6281156D73E810E65666F57AE
SHA256:39D9DD2518F74C79E3C61EAB7743F18D5C8FAEE943A8C4A946C08FCE044EE670
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa6484.28260\config\stplug-in\luapacka.exeexecutable
MD5:4F03EC1C65A32DE2DECA37B0CE924D0A
SHA256:7B99B9B1D4FE7F9F2E523AA00E5FD1ACEF46E69188394227C5CEDE4482F36D4B
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$VR6484.30569\Steamtools.zip\config\appdataX.vdfbinary
MD5:7FF0A2EF24DD8E9A9C3CFFEA7C2E842C
SHA256:2FAEB5AE1EE9632F715D2D7698A0EF9F68EA33BD133D9AC4EA52B805A85F27D8
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$VR6484.30569\Steamtools.zip\config\appdata.vdfbinary
MD5:6B31BDFA7F9BFECE263381FFA91BD6A9
SHA256:C555EAB45D08845AE9F10D452A99BFCB06F74A50B988FE7E48DD323789B88EE3
6484WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa6484.28882\hid.dllexecutable
MD5:DE8F9C5AB8D4203C527DE51E48DD8CC0
SHA256:9203741CC69467640990EFEF7D97ED65AE751E898BCE6CF7BA451EBFEFF11578
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
52
DNS requests
24
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5336
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
whitelisted
2872
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
6816
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
whitelisted
2968
svchost.exe
GET
304
23.192.153.142:80
http://x1.c.lencr.org/
unknown
whitelisted
6856
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
whitelisted
6436
Steam.exe
GET
200
23.32.238.64:80
http://r11.o.lencr.org/MFMwUTBPME0wSzAJBgUrDgMCGgUABBQaUrm0WeTDM5ghfoZtS72KO9ZnzgQUCLkRO6XQhRi06g%2BgrZ%2BGHo78OCcCEgS7Tvyktds%2BiLclC0nnQdHBKA%3D%3D
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
3888
svchost.exe
239.255.255.250:1900
whitelisted
192.168.100.255:138
whitelisted
4056
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4780
RUXIMICS.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2120
MoUsoCoreWorker.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:137
whitelisted
5336
SearchApp.exe
104.126.37.144:443
www.bing.com
Akamai International B.V.
DE
unknown
5336
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
3260
svchost.exe
40.113.103.199:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
2872
svchost.exe
40.126.32.72:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
  • 40.127.240.158
  • 4.231.128.59
whitelisted
google.com
  • 142.250.184.238
whitelisted
www.bing.com
  • 104.126.37.144
  • 104.126.37.163
  • 104.126.37.130
  • 104.126.37.153
  • 104.126.37.160
  • 104.126.37.139
  • 104.126.37.155
  • 104.126.37.161
  • 104.126.37.162
  • 104.126.37.137
  • 104.126.37.145
  • 104.126.37.136
  • 104.126.37.146
  • 104.126.37.131
  • 104.126.37.147
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
client.wns.windows.com
  • 40.113.103.199
  • 40.113.110.67
whitelisted
login.live.com
  • 40.126.32.72
  • 40.126.32.68
  • 20.190.160.22
  • 20.190.160.17
  • 40.126.32.138
  • 40.126.32.133
  • 20.190.160.14
  • 40.126.32.76
whitelisted
th.bing.com
  • 104.126.37.153
  • 104.126.37.155
  • 104.126.37.144
  • 104.126.37.163
  • 104.126.37.170
  • 104.126.37.161
  • 104.126.37.139
  • 104.126.37.162
  • 104.126.37.160
whitelisted
arc.msn.com
  • 20.199.58.43
  • 20.31.169.57
whitelisted
slscr.update.microsoft.com
  • 13.85.23.86
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.166.126.56
whitelisted

Threats

No threats detected
No debug info