Analysis Overview
SHA256
2c770ee8abfe03bbf7206c9a72f252378fe22b06c88a4788464eb2d8eecdd447
Threat Level: Known bad
The file OrcusLauncher.exe was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Executes dropped EXE
Checks computer location settings
Drops desktop.ini file(s)
Drops file in Windows directory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: LoadsDriver
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-15 01:42
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-15 01:42
Reported
2025-01-15 01:45
Platform
win10ltsc2021-20250113-en
Max time kernel
140s
Max time network
143s
Command Line
Signatures
Orcus
Orcus family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1581648047-808845429-2272123689-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.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\OrcusLauncher.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.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\OrcusLauncher.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
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 552 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 552 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 552 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.exe
"C:\Users\Admin\AppData\Local\Temp\OrcusLauncher.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 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hi-tin.gl.at.ply.gg | udp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 25.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 76.246.100.95.in-addr.arpa | udp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hi-tin.gl.at.ply.gg | udp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 8.153.16.2.in-addr.arpa | udp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
| US | 147.185.221.25:14413 | hi-tin.gl.at.ply.gg | tcp |
Files
memory/552-0-0x0000000074432000-0x0000000074433000-memory.dmp
memory/552-1-0x0000000074430000-0x00000000749E1000-memory.dmp
memory/552-2-0x0000000074430000-0x00000000749E1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | b931bd63c8f3fbed9812df37a55c50f8 |
| SHA1 | 471352d83479f815e64b8fdedca6a243bb176514 |
| SHA256 | 2c770ee8abfe03bbf7206c9a72f252378fe22b06c88a4788464eb2d8eecdd447 |
| SHA512 | 3a169ccf14f1b78db7116c3e8b709e1e3aed0585036812e98e6813b799e556a917da7c39c2b14b6ba6e96a27c0ded65ea9217c9dad62ff2c619b8a0c0a97b3c7 |
memory/552-7-0x0000000074430000-0x00000000749E1000-memory.dmp
memory/4524-8-0x0000000074430000-0x00000000749E1000-memory.dmp
memory/4524-9-0x0000000074430000-0x00000000749E1000-memory.dmp
memory/4524-10-0x0000000074430000-0x00000000749E1000-memory.dmp
memory/4524-11-0x0000000074430000-0x00000000749E1000-memory.dmp