Analysis Overview
SHA256
408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953
Threat Level: Known bad
The file 408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus family
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-14 01:14
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-14 01:14
Reported
2025-01-14 01:17
Platform
win7-20240903-en
Max time kernel
150s
Max time network
140s
Command Line
Signatures
Orcus
Orcus family
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\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | 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\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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 2780 wrote to memory of 860 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2780 wrote to memory of 860 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2780 wrote to memory of 860 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2780 wrote to memory of 860 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
"C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.71.225.231:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.71.225.231:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.71.225.231:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 52.57.120.10:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 52.57.120.10:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 52.57.120.10:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 52.57.120.10:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/2780-0-0x0000000074701000-0x0000000074702000-memory.dmp
memory/2780-1-0x0000000074700000-0x0000000074CAB000-memory.dmp
memory/2780-2-0x0000000074700000-0x0000000074CAB000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | fe7464234b05dd43a899ecba564bc33e |
| SHA1 | 8ff7985f1cc14fbadffa98a8996f1a23210941e6 |
| SHA256 | 408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953 |
| SHA512 | 1da2270f3a4c28cdb6c52e23244ef0b72bfab387a327fbc0422f608183b260315980ee364dee98ab0027c7c3bba94c3f06361abb0eddbbf162aaad0bcb52b74b |
memory/2780-10-0x0000000074700000-0x0000000074CAB000-memory.dmp
memory/860-12-0x0000000074151000-0x0000000074152000-memory.dmp
memory/860-13-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/860-15-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/860-14-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/860-16-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/860-17-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/860-18-0x0000000074150000-0x00000000746FB000-memory.dmp
memory/860-19-0x0000000074150000-0x00000000746FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-14 01:14
Reported
2025-01-14 01:17
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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 2260 wrote to memory of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2260 wrote to memory of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2260 wrote to memory of 3276 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
"C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.74.27.83:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 174.117.168.52.in-addr.arpa | udp |
Files
memory/2260-0-0x0000000074842000-0x0000000074843000-memory.dmp
memory/2260-1-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/2260-2-0x0000000074840000-0x0000000074DF1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | fe7464234b05dd43a899ecba564bc33e |
| SHA1 | 8ff7985f1cc14fbadffa98a8996f1a23210941e6 |
| SHA256 | 408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953 |
| SHA512 | 1da2270f3a4c28cdb6c52e23244ef0b72bfab387a327fbc0422f608183b260315980ee364dee98ab0027c7c3bba94c3f06361abb0eddbbf162aaad0bcb52b74b |
memory/3276-18-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/2260-20-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/3276-19-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/3276-21-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/3276-22-0x0000000074840000-0x0000000074DF1000-memory.dmp