Analysis Overview
SHA256
ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b
Threat Level: Known bad
The file ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-27 01:21
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-27 01:21
Reported
2024-11-27 01:24
Platform
win7-20241010-en
Max time kernel
149s
Max time network
155s
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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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 2356 wrote to memory of 596 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2356 wrote to memory of 596 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2356 wrote to memory of 596 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2356 wrote to memory of 596 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe
"C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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 | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp |
Files
memory/2356-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp
memory/2356-1-0x0000000000AE0000-0x0000000000BBC000-memory.dmp
memory/2356-2-0x00000000008D0000-0x00000000008DA000-memory.dmp
memory/2356-3-0x0000000074C60000-0x000000007534E000-memory.dmp
memory/2356-4-0x0000000000950000-0x000000000099C000-memory.dmp
memory/2356-7-0x0000000000A80000-0x0000000000ACE000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 0c9b9d93b1938108ffe6d2860ae9a32d |
| SHA1 | 06891084a5e117b5f8953b336a10cfb149aa9b89 |
| SHA256 | ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b |
| SHA512 | f66c7245b411e904d75094e37b488299de992a967b2ba67023bda22b9f34fe4dadbd11b4f344aa55337f41d3565bb4629c5c78ed8b32474eb7764ba4289c5043 |
memory/2356-14-0x0000000074C60000-0x000000007534E000-memory.dmp
memory/596-17-0x0000000074C60000-0x000000007534E000-memory.dmp
memory/596-16-0x0000000074C60000-0x000000007534E000-memory.dmp
memory/596-15-0x00000000013B0000-0x000000000148C000-memory.dmp
memory/596-18-0x0000000000340000-0x0000000000350000-memory.dmp
memory/596-19-0x0000000074C60000-0x000000007534E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-27 01:21
Reported
2024-11-27 01:23
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
150s
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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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 3464 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3464 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3464 wrote to memory of 2704 | N/A | C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe
"C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| N/A | 192.168.2.4:1604 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp | |
| N/A | 192.168.2.4:1604 | tcp |
Files
memory/3464-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/3464-1-0x0000000000130000-0x000000000020C000-memory.dmp
memory/3464-2-0x00000000024F0000-0x00000000024FA000-memory.dmp
memory/3464-3-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3464-4-0x00000000053A0000-0x0000000005944000-memory.dmp
memory/3464-5-0x0000000005090000-0x0000000005122000-memory.dmp
memory/3464-6-0x0000000004FF0000-0x000000000503C000-memory.dmp
memory/3464-9-0x0000000005130000-0x000000000517E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 0c9b9d93b1938108ffe6d2860ae9a32d |
| SHA1 | 06891084a5e117b5f8953b336a10cfb149aa9b89 |
| SHA256 | ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b |
| SHA512 | f66c7245b411e904d75094e37b488299de992a967b2ba67023bda22b9f34fe4dadbd11b4f344aa55337f41d3565bb4629c5c78ed8b32474eb7764ba4289c5043 |
memory/2704-22-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3464-21-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2704-23-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2704-24-0x0000000005CD0000-0x0000000005E92000-memory.dmp
memory/2704-25-0x0000000005510000-0x0000000005520000-memory.dmp
memory/2704-26-0x0000000006200000-0x000000000620A000-memory.dmp
memory/2704-27-0x0000000074920000-0x00000000750D0000-memory.dmp