Analysis Overview
SHA256
0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754
Threat Level: Known bad
The file 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus family
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-27 01:06
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-27 01:06
Reported
2025-01-27 01:08
Platform
win7-20240729-en
Max time kernel
147s
Max time network
147s
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\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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 2216 wrote to memory of 2736 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2216 wrote to memory of 2736 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2216 wrote to memory of 2736 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2216 wrote to memory of 2736 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
"C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp |
Files
memory/2216-0-0x0000000074B21000-0x0000000074B22000-memory.dmp
memory/2216-1-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2216-2-0x0000000074B20000-0x00000000750CB000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | f8fbd7b9f090423f8851529e647a64ef |
| SHA1 | 177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b |
| SHA256 | 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754 |
| SHA512 | f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9 |
memory/2216-11-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2736-14-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2736-13-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2736-12-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2736-15-0x0000000074B20000-0x00000000750CB000-memory.dmp
memory/2736-16-0x0000000074B20000-0x00000000750CB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-27 01:06
Reported
2025-01-27 01:08
Platform
win10v2004-20241007-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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 3920 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3920 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3920 wrote to memory of 1432 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
"C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp | |
| N/A | 192.168.2.7:10134 | tcp |
Files
memory/3920-0-0x0000000074DA2000-0x0000000074DA3000-memory.dmp
memory/3920-1-0x0000000074DA0000-0x0000000075351000-memory.dmp
memory/3920-2-0x0000000074DA0000-0x0000000075351000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | f8fbd7b9f090423f8851529e647a64ef |
| SHA1 | 177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b |
| SHA256 | 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754 |
| SHA512 | f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9 |
memory/1432-18-0x0000000074DA0000-0x0000000075351000-memory.dmp
memory/3920-20-0x0000000074DA0000-0x0000000075351000-memory.dmp
memory/1432-19-0x0000000074DA0000-0x0000000075351000-memory.dmp
memory/1432-21-0x0000000074DA0000-0x0000000075351000-memory.dmp