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
Executes dropped EXE
Loads dropped DLL
Drops desktop.ini file(s)
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-27 01:13
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 01:13
Reported
2025-01-27 01:15
Platform
win7-20240903-en
Max time kernel
147s
Max time network
151s
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\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 2520 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2520 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2520 wrote to memory of 1816 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2520 wrote to memory of 1816 | 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/2520-0-0x0000000074EE1000-0x0000000074EE2000-memory.dmp
memory/2520-1-0x0000000074EE0000-0x000000007548B000-memory.dmp
memory/2520-2-0x0000000074EE0000-0x000000007548B000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | f8fbd7b9f090423f8851529e647a64ef |
| SHA1 | 177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b |
| SHA256 | 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754 |
| SHA512 | f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9 |
memory/2520-12-0x0000000074EE0000-0x000000007548B000-memory.dmp
memory/1816-11-0x0000000074EE0000-0x000000007548B000-memory.dmp
memory/1816-13-0x0000000074EE0000-0x000000007548B000-memory.dmp
memory/1816-14-0x0000000074EE0000-0x000000007548B000-memory.dmp
memory/1816-15-0x0000000074EE0000-0x000000007548B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-27 01:13
Reported
2025-01-27 01:15
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-1-5-21-940901362-3608833189-1915618603-1000\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\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 3784 wrote to memory of 4164 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3784 wrote to memory of 4164 | N/A | C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3784 wrote to memory of 4164 | 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 | 13.86.106.20.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| US | 8.8.8.8:53 | 159.96.196.23.in-addr.arpa | udp |
| 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 | 104.219.191.52.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 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 139.53.16.96.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 | 168.100.16.2.in-addr.arpa | udp |
| N/A | 192.168.2.7:10134 | tcp | |
| US | 8.8.8.8:53 | 29.243.111.52.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 |
Files
memory/3784-0-0x0000000074602000-0x0000000074603000-memory.dmp
memory/3784-1-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/3784-2-0x0000000074600000-0x0000000074BB1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | f8fbd7b9f090423f8851529e647a64ef |
| SHA1 | 177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b |
| SHA256 | 0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754 |
| SHA512 | f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9 |
memory/4164-18-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/3784-19-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4164-21-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4164-20-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4164-22-0x0000000074600000-0x0000000074BB1000-memory.dmp