Analysis Overview
SHA256
408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953
Threat Level: Known bad
The file 408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus family
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Drops desktop.ini file(s)
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-14 01:24
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 01:24
Reported
2025-01-14 01:27
Platform
win7-20240903-en
Max time kernel
149s
Max time network
139s
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 |
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 2364 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2364 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2364 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2364 wrote to memory of 2504 | 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 | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 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 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| 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 |
| DE | 3.71.225.231:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.71.225.231:19443 | tcp |
Files
memory/2364-0-0x0000000074841000-0x0000000074842000-memory.dmp
memory/2364-2-0x0000000074840000-0x0000000074DEB000-memory.dmp
memory/2364-1-0x0000000074840000-0x0000000074DEB000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | fe7464234b05dd43a899ecba564bc33e |
| SHA1 | 8ff7985f1cc14fbadffa98a8996f1a23210941e6 |
| SHA256 | 408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953 |
| SHA512 | 1da2270f3a4c28cdb6c52e23244ef0b72bfab387a327fbc0422f608183b260315980ee364dee98ab0027c7c3bba94c3f06361abb0eddbbf162aaad0bcb52b74b |
memory/2364-12-0x0000000074840000-0x0000000074DEB000-memory.dmp
memory/2504-11-0x0000000074840000-0x0000000074DEB000-memory.dmp
memory/2504-13-0x0000000074840000-0x0000000074DEB000-memory.dmp
memory/2504-14-0x0000000074840000-0x0000000074DEB000-memory.dmp
memory/2504-15-0x0000000074840000-0x0000000074DEB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-14 01:24
Reported
2025-01-14 01:27
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
142s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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 4080 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 4080 wrote to memory of 2340 | N/A | C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 4080 wrote to memory of 2340 | 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 | 8.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.153.198.123:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| DE | 18.153.198.123:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| DE | 18.153.198.123:19443 | 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 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.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 |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.78.28.71:19443 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 22.236.111.52.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 |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.30:19443 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/4080-0-0x0000000074852000-0x0000000074853000-memory.dmp
memory/4080-1-0x0000000074850000-0x0000000074E01000-memory.dmp
memory/4080-2-0x0000000074850000-0x0000000074E01000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | fe7464234b05dd43a899ecba564bc33e |
| SHA1 | 8ff7985f1cc14fbadffa98a8996f1a23210941e6 |
| SHA256 | 408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953 |
| SHA512 | 1da2270f3a4c28cdb6c52e23244ef0b72bfab387a327fbc0422f608183b260315980ee364dee98ab0027c7c3bba94c3f06361abb0eddbbf162aaad0bcb52b74b |
memory/2340-20-0x0000000074850000-0x0000000074E01000-memory.dmp
memory/4080-19-0x0000000074850000-0x0000000074E01000-memory.dmp
memory/2340-18-0x0000000074850000-0x0000000074E01000-memory.dmp
memory/2340-21-0x0000000074850000-0x0000000074E01000-memory.dmp
memory/2340-22-0x0000000074850000-0x0000000074E01000-memory.dmp
memory/2340-23-0x0000000074850000-0x0000000074E01000-memory.dmp