Analysis Overview
SHA256
87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749
Threat Level: Known bad
The file 87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-26 01:01
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-26 01:01
Reported
2025-01-26 01:03
Platform
win7-20240903-en
Max time kernel
146s
Max time network
122s
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\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.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\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.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 1752 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1752 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1752 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 1752 wrote to memory of 2512 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe
"C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.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 | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp |
Files
memory/1752-0-0x000000007424E000-0x000000007424F000-memory.dmp
memory/1752-1-0x00000000009D0000-0x0000000000AA8000-memory.dmp
memory/1752-2-0x00000000001F0000-0x00000000001FA000-memory.dmp
memory/1752-3-0x0000000074240000-0x000000007492E000-memory.dmp
memory/1752-4-0x0000000000290000-0x00000000002DC000-memory.dmp
memory/1752-7-0x0000000000920000-0x000000000096E000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | cc0ca06bc879d94a1bc1451e9860f2b9 |
| SHA1 | 1615869c3399c5427b9224624136de161befe936 |
| SHA256 | 87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749 |
| SHA512 | ccba95edc93a19898c7883ef559de940cb34384601e0f00418cacd144e1f38dd74d3ddc7ff6cc822ccc26f0b95eb0e9a05064bbcc727b7e5c2edb12cd32bfac7 |
memory/1752-14-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2512-15-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2512-16-0x0000000000AE0000-0x0000000000BB8000-memory.dmp
memory/2512-17-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2512-18-0x0000000000480000-0x0000000000490000-memory.dmp
memory/2512-19-0x0000000074240000-0x000000007492E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-26 01:01
Reported
2025-01-26 01:03
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
145s
Command Line
Signatures
Orcus
Orcus family
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\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.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\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.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 3796 wrote to memory of 244 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3796 wrote to memory of 244 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3796 wrote to memory of 244 | N/A | C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.exe
"C:\Users\Admin\AppData\Local\Temp\87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749.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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 127.0.0.1:10135 | tcp | |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.114.82.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.66.18.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp | |
| N/A | 127.0.0.1:10135 | tcp |
Files
memory/3796-0-0x000000007465E000-0x000000007465F000-memory.dmp
memory/3796-1-0x0000000000540000-0x0000000000618000-memory.dmp
memory/3796-2-0x0000000004F70000-0x0000000004F7A000-memory.dmp
memory/3796-3-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3796-4-0x00000000057B0000-0x0000000005D54000-memory.dmp
memory/3796-5-0x00000000054A0000-0x0000000005532000-memory.dmp
memory/3796-6-0x0000000005400000-0x000000000544C000-memory.dmp
memory/3796-9-0x0000000005540000-0x000000000558E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | cc0ca06bc879d94a1bc1451e9860f2b9 |
| SHA1 | 1615869c3399c5427b9224624136de161befe936 |
| SHA256 | 87eccc753002f265dc4cf3a59ba9963cea150ca891d7af615443523c4175b749 |
| SHA512 | ccba95edc93a19898c7883ef559de940cb34384601e0f00418cacd144e1f38dd74d3ddc7ff6cc822ccc26f0b95eb0e9a05064bbcc727b7e5c2edb12cd32bfac7 |
memory/244-22-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/3796-21-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/244-23-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/244-24-0x00000000059A0000-0x0000000005B62000-memory.dmp
memory/244-25-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/244-26-0x00000000053C0000-0x00000000053CA000-memory.dmp
memory/244-27-0x0000000074650000-0x0000000074E00000-memory.dmp