Analysis Overview
SHA256
eef18c81faeee1877aa9cd8d8aef18b643a434fd3da221cc724070ec863e5fcd
Threat Level: Known bad
The file RobloxPlayerInstaller-B22GWFHWX3.exe was found to be: Known bad.
Malicious Activity Summary
Detect XenoRat Payload
Xenorat family
XenorRat
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-03-24 04:18
Signatures
Detect XenoRat Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xenorat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-03-24 04:18
Reported
2025-03-24 04:21
Platform
win11-20250313-en
Max time kernel
140s
Max time network
144s
Command Line
Signatures
Detect XenoRat Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
XenorRat
Xenorat family
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Panther\UnattendGC\setuperr.log | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
| File opened for modification | C:\Windows\Panther\UnattendGC\diagerr.xml | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
| File opened for modification | C:\Windows\Panther\UnattendGC\diagwrn.xml | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
| File opened for modification | C:\Windows\Panther\UnattendGC\setupact.log | C:\Windows\System32\oobe\UserOOBEBroker.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-B22GWFHWX3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\MuiCache | C:\Windows\system32\BackgroundTransferHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix | C:\Windows\system32\BackgroundTransferHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\system32\BackgroundTransferHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1136229799-3442283115-138161576-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" | C:\Windows\system32\BackgroundTransferHost.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-B22GWFHWX3.exe
"C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller-B22GWFHWX3.exe"
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
C:\Windows\System32\oobe\UserOOBEBroker.exe
C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:4444 | tcp | |
| GB | 104.86.110.90:443 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| US | 104.208.16.91:443 | browser.pipe.aria.microsoft.com | tcp |
| GB | 95.100.153.157:443 | www.bing.com | tcp |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| GB | 95.100.153.143:443 | www.bing.com | tcp |
| GB | 23.206.79.163:443 | cxcs.microsoft.net | tcp |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| GB | 142.250.180.3:80 | c.pki.goog | tcp |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp | |
| N/A | 127.0.0.1:4444 | tcp |
Files
memory/2904-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/2904-1-0x0000000000DF0000-0x0000000000E02000-memory.dmp
memory/2904-2-0x0000000074920000-0x00000000750D1000-memory.dmp
memory/2904-3-0x000000007492E000-0x000000007492F000-memory.dmp
memory/2904-4-0x0000000074920000-0x00000000750D1000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\BackgroundTransferApi\54c341a2-2566-4649-8d27-f2616f035cfc.down_data
| MD5 | 5683c0028832cae4ef93ca39c8ac5029 |
| SHA1 | 248755e4e1db552e0b6f8651b04ca6d1b31a86fb |
| SHA256 | 855abd360d8a8d6974eba92b70cbd09ce519bc8773439993f9ab37cb6847309e |
| SHA512 | aba434bd29be191c823b02ea9b639beb10647bbe7759bbffdaa790dfb1ec2c58d74c525ef11aacda209e4effe322d1d3a07b115446c8914b07a3bce4d8a0e2c3 |