Analysis Overview
SHA256
60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead
Threat Level: Known bad
The file example.exe 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)
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-25 16:44
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-25 16:44
Reported
2024-11-25 16:47
Platform
win7-20241010-en
Max time kernel
141s
Max time network
148s
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\example.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\example.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 1680 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1680 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1680 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1680 wrote to memory of 2296 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\example.exe
"C:\Users\Admin\AppData\Local\Temp\example.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 | during-interesting.gl.at.ply.gg | udp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
Files
memory/1680-0-0x00000000745E1000-0x00000000745E2000-memory.dmp
memory/1680-1-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/1680-2-0x00000000745E0000-0x0000000074B8B000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 351808659677be354200ca26e9b63f5a |
| SHA1 | a147a31f13d21ff0bf0eca9c8dcf20b7cab5e363 |
| SHA256 | 60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead |
| SHA512 | c8bcb1278652b76e4825cb4ede51f59790469f17c37b9b75f31c3208d2570c287e9e2dcf17ebd2f406927c558490860bd30b214949a276d66492d6142e125dc8 |
memory/1680-11-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/2296-12-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/2296-14-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/2296-13-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/2296-15-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/2296-16-0x00000000745E0000-0x0000000074B8B000-memory.dmp
memory/2296-17-0x00000000745E0000-0x0000000074B8B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-25 16:44
Reported
2024-11-25 16:47
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\example.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 opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\example.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\example.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\example.exe | N/A |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\example.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\example.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\example.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 2440 wrote to memory of 3280 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2440 wrote to memory of 3280 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2440 wrote to memory of 3280 | N/A | C:\Users\Admin\AppData\Local\Temp\example.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\example.exe
"C:\Users\Admin\AppData\Local\Temp\example.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 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | during-interesting.gl.at.ply.gg | udp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 22.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.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 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 106.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 147.185.221.22:25798 | during-interesting.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/2440-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp
memory/2440-1-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/2440-2-0x0000000074BB0000-0x0000000075161000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 351808659677be354200ca26e9b63f5a |
| SHA1 | a147a31f13d21ff0bf0eca9c8dcf20b7cab5e363 |
| SHA256 | 60d79803c2b81c09f266a57c1e91476d1a5ef4abd3cccc113cd84077398edead |
| SHA512 | c8bcb1278652b76e4825cb4ede51f59790469f17c37b9b75f31c3208d2570c287e9e2dcf17ebd2f406927c558490860bd30b214949a276d66492d6142e125dc8 |
memory/2440-18-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/3280-19-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/3280-20-0x0000000074BB0000-0x0000000075161000-memory.dmp
memory/3280-21-0x0000000074BB0000-0x0000000075161000-memory.dmp