Analysis Overview
SHA256
734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad
Threat Level: Known bad
The file Orcus Fps Booster.exe was found to be: Known bad.
Malicious Activity Summary
Orcus family
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops desktop.ini file(s)
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-01 21:57
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-01 21:57
Reported
2024-12-01 22:00
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.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:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2004 wrote to memory of 3468 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2004 wrote to memory of 3468 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2004 wrote to memory of 3468 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | score-extreme.gl.at.ply.gg | udp |
| US | 147.185.221.22:54312 | score-extreme.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 70.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2004-0-0x00000000749F2000-0x00000000749F3000-memory.dmp
memory/2004-1-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/2004-2-0x00000000749F0000-0x0000000074FA1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | a67792fb3a23cf0a7019b76a2a216c01 |
| SHA1 | b1fadfbe54dad7eb72e7cf651ca6eff07f1f9a87 |
| SHA256 | 734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad |
| SHA512 | 8a108add3ccd767b1fd6c983aeae88c4819f92cc94ea8223ba1c987773556daa90165034be01cd5fc51a884e65ddce63aa56844def3b4cdc0cdf4508bc07e97b |
memory/2004-19-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/3468-20-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/3468-21-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/3468-18-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/3468-22-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/3468-25-0x00000000749F0000-0x0000000074FA1000-memory.dmp
memory/3468-26-0x00000000749F0000-0x0000000074FA1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-01 21:57
Reported
2024-12-01 22:00
Platform
win7-20240903-en
Max time kernel
122s
Max time network
132s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.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:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2696 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2696 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2696 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2696 wrote to memory of 2748 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus Fps Booster.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | score-extreme.gl.at.ply.gg | udp |
| US | 147.185.221.22:54312 | score-extreme.gl.at.ply.gg | tcp |
Files
memory/2696-0-0x0000000074601000-0x0000000074602000-memory.dmp
memory/2696-1-0x0000000074600000-0x0000000074BAB000-memory.dmp
memory/2696-2-0x0000000074600000-0x0000000074BAB000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | a67792fb3a23cf0a7019b76a2a216c01 |
| SHA1 | b1fadfbe54dad7eb72e7cf651ca6eff07f1f9a87 |
| SHA256 | 734f7e31a89489e3eb5ed2413aa0b5f969e3c6b56856dd126539855af7e451ad |
| SHA512 | 8a108add3ccd767b1fd6c983aeae88c4819f92cc94ea8223ba1c987773556daa90165034be01cd5fc51a884e65ddce63aa56844def3b4cdc0cdf4508bc07e97b |
memory/2696-11-0x0000000074600000-0x0000000074BAB000-memory.dmp
memory/2748-12-0x0000000074600000-0x0000000074BAB000-memory.dmp
memory/2748-13-0x0000000074600000-0x0000000074BAB000-memory.dmp
memory/2748-14-0x0000000074600000-0x0000000074BAB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabF691.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
memory/2748-31-0x0000000074600000-0x0000000074BAB000-memory.dmp
memory/2748-33-0x0000000074600000-0x0000000074BAB000-memory.dmp