Analysis Overview
SHA256
b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1
Threat Level: Known bad
The file b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-15 01:07
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-15 01:07
Reported
2025-01-15 01:10
Platform
win7-20240903-en
Max time kernel
146s
Max time network
121s
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\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.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\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2936 wrote to memory of 2700 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2936 wrote to memory of 2700 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2936 wrote to memory of 2700 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2936 wrote to memory of 2700 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe
"C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.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 | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp |
Files
memory/2936-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp
memory/2936-1-0x0000000001130000-0x000000000120A000-memory.dmp
memory/2936-2-0x0000000000330000-0x000000000033A000-memory.dmp
memory/2936-3-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/2936-4-0x00000000010A0000-0x00000000010EC000-memory.dmp
memory/2936-5-0x0000000000630000-0x0000000000638000-memory.dmp
memory/2936-8-0x0000000004940000-0x000000000498E000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 87bb4d8eea60e5cd562bfa4380078631 |
| SHA1 | de28d8733f0d272042f072cbf01ab06211aee62d |
| SHA256 | b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1 |
| SHA512 | ee61be05bf1c209e76cabd82a297592a7cd39c111c1e4191c6c1b39d224fcd82fc1f6bde539acf00492b4280fce68672acd5a71d879f65939e1d7d88c702b138 |
memory/2936-14-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/2700-17-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/2700-16-0x0000000001310000-0x00000000013EA000-memory.dmp
memory/2700-18-0x0000000074A00000-0x00000000750EE000-memory.dmp
memory/2700-19-0x0000000000620000-0x0000000000630000-memory.dmp
memory/2700-20-0x0000000074A00000-0x00000000750EE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-15 01:07
Reported
2025-01-15 01:10
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
95s
Command Line
Signatures
Orcus
Orcus family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.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 |
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\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1588 wrote to memory of 4900 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1588 wrote to memory of 4900 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1588 wrote to memory of 4900 | N/A | C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.exe
"C:\Users\Admin\AppData\Local\Temp\b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1.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 | 73.159.190.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.129.81.91.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp |
Files
memory/1588-0-0x00000000751AE000-0x00000000751AF000-memory.dmp
memory/1588-1-0x0000000000D80000-0x0000000000E5A000-memory.dmp
memory/1588-2-0x0000000003100000-0x000000000310A000-memory.dmp
memory/1588-3-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1588-4-0x0000000005E20000-0x00000000063C4000-memory.dmp
memory/1588-6-0x0000000005C30000-0x0000000005C7C000-memory.dmp
memory/1588-5-0x0000000005CD0000-0x0000000005D62000-memory.dmp
memory/1588-7-0x0000000005CB0000-0x0000000005CB8000-memory.dmp
memory/1588-10-0x0000000005D80000-0x0000000005DCE000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 87bb4d8eea60e5cd562bfa4380078631 |
| SHA1 | de28d8733f0d272042f072cbf01ab06211aee62d |
| SHA256 | b3d6cf68e394ae44d2c46f17dfa357e54080d35bd30a7889e714aecbfd8ee9f1 |
| SHA512 | ee61be05bf1c209e76cabd82a297592a7cd39c111c1e4191c6c1b39d224fcd82fc1f6bde539acf00492b4280fce68672acd5a71d879f65939e1d7d88c702b138 |
memory/4900-22-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1588-23-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/4900-24-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/4900-25-0x00000000063F0000-0x00000000065B2000-memory.dmp
memory/4900-26-0x0000000006320000-0x0000000006330000-memory.dmp
memory/4900-27-0x00000000066D0000-0x00000000066DA000-memory.dmp
memory/4900-28-0x00000000751A0000-0x0000000075950000-memory.dmp