Analysis Overview
SHA256
24ff7026fc4c06e06f7188c44a5e2d4429aab0d0de9fcd93d4f8e95210be7ba6
Threat Level: Likely malicious
The file 24ff7026fc4c06e06f7188c44a5e2d4429aab0d0de9fcd93d4f8e95210be7ba6 was found to be: Likely malicious.
Malicious Activity Summary
Sets DLL path for service in the registry
Sets service image path in registry
Checks BIOS information in registry
Modifies service
Checks processor information in registry
Enumerates system info in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2020-11-08 14:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2020-11-08 14:30
Reported
2020-11-08 16:24
Platform
win7v20201028
Max time kernel
4s
Max time network
13s
Command Line
Signatures
Sets DLL path for service in the registry
Sets service image path in registry
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies service
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\ObjectName = "LocalSystem" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Type = "272" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Group = "ProfSvc_Group" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\ImagePath = "C:\\Windows\\system32\\svchost.exe -k LocalService" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Parameters | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Parameters\ServiceDll = "C:\\USERS\\ADMIN\\APPDATA\\LOCAL\\TEMP\\24FF7026FC4C06E06F7188C44A5E2D44" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\ErrorControl = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Start = "2" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Description = "@%SystemRoot%\\system32\\Sens.dll,-201" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\DisplayName = "@%SystemRoot%\\system32\\Sens.dll,-200" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1756 wrote to memory of 1944 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24ff7026fc4c06e06f7188c44a5e2d4429aab0d0de9fcd93d4f8e95210be7ba6.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24ff7026fc4c06e06f7188c44a5e2d4429aab0d0de9fcd93d4f8e95210be7ba6.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k LocalService
Network
Files
memory/1944-0-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2020-11-08 14:30
Reported
2020-11-08 16:24
Platform
win10v20201028
Max time kernel
10s
Max time network
110s
Command Line
Signatures
Sets DLL path for service in the registry
Sets service image path in registry
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies service
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\Description = "@%SystemRoot%\\system32\\Sens.dll,-201" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\ObjectName = "LocalSystem" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\ImagePath = "C:\\Windows\\system32\\svchost.exe -k LocalService" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP\Parameters | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\Parameters\ServiceDll = "C:\\USERS\\ADMIN\\APPDATA\\LOCAL\\TEMP\\24FF7026FC4C06E06F7188C44A5E2D44眀" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\Start = "2" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TEMP | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\DisplayName = "@%SystemRoot%\\system32\\Sens.dll,-200" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\Group = "ProfSvc_Group" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\ErrorControl = "1" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TEMP\Type = "272" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1056 wrote to memory of 1344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1056 wrote to memory of 1344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1056 wrote to memory of 1344 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24ff7026fc4c06e06f7188c44a5e2d4429aab0d0de9fcd93d4f8e95210be7ba6.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\24ff7026fc4c06e06f7188c44a5e2d4429aab0d0de9fcd93d4f8e95210be7ba6.dll,#1
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k LocalService
Network
Files
memory/1344-0-0x0000000000000000-mapping.dmp