| File name: | ChangeWallpaper.bat |
| Full analysis: | https://app.any.run/tasks/f1d870a0-9422-492c-9426-15f5981f5338 |
| Verdict: | Malicious activity |
| Analysis date: | June 15, 2025, 02:17:56 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | text/x-msdos-batch |
| File info: | DOS batch file, ASCII text |
| MD5: | A705E69F1C7D844D4E2681E69FA08F5E |
| SHA1: | C7F1775E1BF2940C1FE90B9E19253FA5CF22E684 |
| SHA256: | BA0D167DE66F664B0DADF905E0F6A56DC740BBB602B067E97CD8E0AE44EB7C74 |
| SSDEEP: | 24:dFkFT4DOQOMI6LO7B51j0WxJdlMZNXT98:Uwj9HL8BTQWNSJ8 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Starts POWERSHELL.EXE for commands execution
- cmd.exe (PID: 4500)
Downloads file from URI via Powershell
- powershell.exe (PID: 3640)
Changes the desktop background image
- reg.exe (PID: 5504)
- reg.exe (PID: 1128)
Uses REG/REGEDIT.EXE to modify registry
- cmd.exe (PID: 4500)
Uses RUNDLL32.EXE to load library
- cmd.exe (PID: 4500)
INFO
Disables trace logs
- powershell.exe (PID: 3640)
Checks proxy server information
- powershell.exe (PID: 3640)
- slui.exe (PID: 5060)
Reads Internet Explorer settings
- powershell.exe (PID: 3640)
Remote server returned an error (POWERSHELL)
- powershell.exe (PID: 3640)
Script raised an exception (POWERSHELL)
- powershell.exe (PID: 3640)
Reads the software policy settings
- slui.exe (PID: 5060)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
142
Monitored processes
8
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1128 | reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\admin\Pictures\black_square.bmp" /f | C:\Windows\System32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3640 | powershell -Command "Invoke-WebRequest -Uri 'https://upload.wikimedia.org/wikipedia/commons/4/44/Black_square.bmp' -OutFile 'C:\Users\admin\Pictures\black_square.bmp'" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4500 | C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\Desktop\ChangeWallpaper.bat" " | C:\Windows\System32\cmd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5060 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5124 | RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters ,1 ,True | C:\Windows\System32\rundll32.exe | — | cmd.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
| |||||||||||||||
| 5504 | reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f | C:\Windows\System32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6004 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6636 | reg add "HKCU\Control Panel\Desktop" /v TileWallpaper /t REG_SZ /d 0 /f | C:\Windows\System32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
8 655
Read events
8 652
Write events
3
Delete events
0
Modification events
| (PID) Process: | (1128) reg.exe | Key: | HKEY_CURRENT_USER\Control Panel\Desktop |
| Operation: | write | Name: | Wallpaper |
Value: C:\Users\admin\Pictures\black_square.bmp | |||
| (PID) Process: | (5504) reg.exe | Key: | HKEY_CURRENT_USER\Control Panel\Desktop |
| Operation: | write | Name: | WallpaperStyle |
Value: 2 | |||
| (PID) Process: | (6636) reg.exe | Key: | HKEY_CURRENT_USER\Control Panel\Desktop |
| Operation: | write | Name: | TileWallpaper |
Value: 0 | |||
Executable files
0
Suspicious files
1
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3640 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_25jmd3dr.ri5.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3640 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_xvpo0wuh.uug.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3640 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:4F633ADFC9094300AEEFAA4FE13AA314 | SHA256:E5018A576D93D1C69948F20C1D62E5B942A6C2028DF4DC827DCCD187AEE53C3F | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
31
TCP/UDP connections
41
DNS requests
20
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1268 | svchost.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
472 | RUXIMICS.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
472 | RUXIMICS.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 404 | 185.15.59.224:443 | https://upload.wikimedia.org/wikipedia/commons/4/44/Black_square.bmp | unknown | — | — | — |
— | — | POST | 200 | 20.190.160.130:443 | https://login.live.com/RST2.srf | unknown | xml | 11.1 Kb | whitelisted |
— | — | POST | 200 | 20.190.160.67:443 | https://login.live.com/RST2.srf | unknown | — | — | whitelisted |
— | — | POST | 200 | 20.190.160.130:443 | https://login.live.com/RST2.srf | unknown | xml | 11.1 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1268 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
472 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5944 | MoUsoCoreWorker.exe | 23.216.77.6:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
1268 | svchost.exe | 23.216.77.6:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
472 | RUXIMICS.exe | 23.216.77.6:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5944 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
1268 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
upload.wikimedia.org |
| whitelisted |
login.live.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Not Suspicious Traffic | ET INFO Windows Powershell User-Agent Usage |