Analysis Overview
SHA256
aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2
Threat Level: Known bad
The file idk.exe was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Checks computer location settings
Executes dropped EXE
Drops desktop.ini file(s)
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-11 21:36
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-11 21:36
Reported
2025-01-11 21:39
Platform
win10ltsc2021-20241211-en
Max time kernel
100s
Max time network
137s
Command Line
Signatures
Orcus
Orcus family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2062871678-1047416116-518495306-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe | N/A |
Suspicious behavior: EnumeratesProcesses
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 3540 wrote to memory of 2196 | N/A | C:\Users\Admin\AppData\Local\Temp\idk.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3540 wrote to memory of 2196 | N/A | C:\Users\Admin\AppData\Local\Temp\idk.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3540 wrote to memory of 2196 | N/A | C:\Users\Admin\AppData\Local\Temp\idk.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\idk.exe
"C:\Users\Admin\AppData\Local\Temp\idk.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 162.50.123.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | across-entitled.gl.at.ply.gg | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 182.129.81.91.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 25.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/3540-0-0x00000000753F2000-0x00000000753F3000-memory.dmp
memory/3540-1-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/3540-2-0x00000000753F0000-0x00000000759A1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 5d671aabccb6b230de6df2eba24e3594 |
| SHA1 | 539a1e15feaa0c0c382aac0769c3a77967411185 |
| SHA256 | aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2 |
| SHA512 | cc3c75108fdae769895d45d8e2ef2c4efe08d015cf8fdffeaf0e883c3c79bdaecf0f30087a1cf0b44533e5c80961bbb6e40a1a127b7e6411711cbf6d79c16eef |
memory/3540-8-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/2196-7-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/2196-9-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/2196-10-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/2196-11-0x00000000753F0000-0x00000000759A1000-memory.dmp
memory/2196-12-0x00000000753F0000-0x00000000759A1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-11 21:36
Reported
2025-01-11 21:39
Platform
win11-20241007-en
Max time kernel
109s
Max time network
129s
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 |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\idk.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\idk.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 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 3520 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\idk.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3520 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\idk.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3520 wrote to memory of 4112 | N/A | C:\Users\Admin\AppData\Local\Temp\idk.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\idk.exe
"C:\Users\Admin\AppData\Local\Temp\idk.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 | across-entitled.gl.at.ply.gg | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 25.221.185.147.in-addr.arpa | udp |
Files
memory/3520-0-0x00000000749D1000-0x00000000749D2000-memory.dmp
memory/3520-1-0x00000000749D0000-0x0000000074F81000-memory.dmp
memory/3520-2-0x00000000749D0000-0x0000000074F81000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 5d671aabccb6b230de6df2eba24e3594 |
| SHA1 | 539a1e15feaa0c0c382aac0769c3a77967411185 |
| SHA256 | aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2 |
| SHA512 | cc3c75108fdae769895d45d8e2ef2c4efe08d015cf8fdffeaf0e883c3c79bdaecf0f30087a1cf0b44533e5c80961bbb6e40a1a127b7e6411711cbf6d79c16eef |
memory/3520-18-0x00000000749D0000-0x0000000074F81000-memory.dmp
memory/4112-20-0x00000000749D0000-0x0000000074F81000-memory.dmp
memory/4112-19-0x00000000749D0000-0x0000000074F81000-memory.dmp
memory/4112-21-0x00000000749D0000-0x0000000074F81000-memory.dmp
memory/4112-24-0x00000000749D0000-0x0000000074F81000-memory.dmp
memory/4112-25-0x00000000749D0000-0x0000000074F81000-memory.dmp