Analysis Overview
SHA256
d4150267caf26aadec004b322be81e568d4e6c1793a5a490eee82326c20ca5fe
Threat Level: Known bad
The file Rat.cmd was found to be: Known bad.
Malicious Activity Summary
Silverrat family
SilverRat
Sets file to hidden
Downloads MZ/PE file
Checks computer location settings
Unsigned PE
System Network Configuration Discovery: Internet Connection Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious behavior: GetForegroundWindowSpam
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Uses Volume Shadow Copy service COM API
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-02-13 22:18
Signatures
Silverrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-02-13 22:18
Reported
2025-02-13 22:21
Platform
win10v2004-20250211-en
Max time kernel
149s
Max time network
143s
Command Line
Signatures
SilverRat
Silverrat family
Downloads MZ/PE file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Rat.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe | N/A |
System Network Configuration Discovery: Internet Connection Discovery
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe | N/A |
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Rat.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 408 wrote to memory of 520 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat.exe | C:\Windows\System32\attrib.exe |
| PID 408 wrote to memory of 520 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat.exe | C:\Windows\System32\attrib.exe |
| PID 408 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat.exe | C:\Windows\System32\attrib.exe |
| PID 408 wrote to memory of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat.exe | C:\Windows\System32\attrib.exe |
Uses Volume Shadow Copy service COM API
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
| N/A | N/A | C:\Windows\System32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Rat.exe
"C:\Users\Admin\AppData\Local\Temp\Rat.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\zt-WD"
C:\Windows\System32\attrib.exe
"C:\Windows\System32\attrib.exe" +s +h "C:\Users\Admin\AppData\Roaming\zt-WD\$77Windows Security Process.cmd"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NTk4MjU1MjIzIi8-PC9hcHA-PC9yZXF1ZXN0Pg
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | msedge.api.cdp.microsoft.com | udp |
| US | 4.151.228.221:443 | msedge.api.cdp.microsoft.com | tcp |
| US | 8.8.8.8:53 | msedge.b.tlu.dl.delivery.mp.microsoft.com | udp |
| US | 199.232.214.172:80 | msedge.b.tlu.dl.delivery.mp.microsoft.com | tcp |
Files
memory/408-0-0x00007FFC8E073000-0x00007FFC8E075000-memory.dmp
memory/408-1-0x00000000007F0000-0x0000000000802000-memory.dmp
memory/408-2-0x00007FFC8E070000-0x00007FFC8EB31000-memory.dmp
memory/408-4-0x00007FFC8E070000-0x00007FFC8EB31000-memory.dmp
memory/1008-7-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-6-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-5-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-17-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-16-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-15-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-14-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-13-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-12-0x0000023DD4720000-0x0000023DD4721000-memory.dmp
memory/1008-11-0x0000023DD4720000-0x0000023DD4721000-memory.dmp