Analysis Overview
SHA256
c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235
Threat Level: Known bad
The file c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
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
2025-01-13 01:16
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-13 01:16
Reported
2025-01-13 01:18
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | N/A |
| File opened for modification | C:\Windows\assembly | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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 3680 wrote to memory of 2076 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3680 wrote to memory of 2076 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 3680 wrote to memory of 2076 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe
"C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | across-entitled.gl.at.ply.gg | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.130.81.91.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
Files
memory/3680-0-0x0000000074832000-0x0000000074833000-memory.dmp
memory/3680-1-0x0000000074830000-0x0000000074DE1000-memory.dmp
memory/3680-2-0x0000000074830000-0x0000000074DE1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 56edb111575113d40af0f1c028dcb315 |
| SHA1 | 018a7abc977ba73e2f66f1e7bf041191089c100c |
| SHA256 | c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235 |
| SHA512 | 2c87ad1db2ce3745426eb47e76b855124e97747d895d8f5b90adf9018a03c6059dc96537429cf03e2d9af51ca49b751c418820d7a27557e33b8ef54f7305c406 |
memory/3680-18-0x0000000074830000-0x0000000074DE1000-memory.dmp
memory/2076-19-0x0000000074830000-0x0000000074DE1000-memory.dmp
memory/2076-20-0x0000000074830000-0x0000000074DE1000-memory.dmp
memory/2076-21-0x0000000074830000-0x0000000074DE1000-memory.dmp
memory/2076-22-0x0000000074830000-0x0000000074DE1000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-13 01:16
Reported
2025-01-13 01:18
Platform
win7-20240903-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\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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 2372 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2372 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2372 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2372 wrote to memory of 2268 | N/A | C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.exe
"C:\Users\Admin\AppData\Local\Temp\c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235.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 | across-entitled.gl.at.ply.gg | udp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
| US | 147.185.221.25:7354 | across-entitled.gl.at.ply.gg | tcp |
Files
memory/2372-0-0x0000000074C11000-0x0000000074C12000-memory.dmp
memory/2372-1-0x0000000074C10000-0x00000000751BB000-memory.dmp
memory/2372-2-0x0000000074C10000-0x00000000751BB000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 56edb111575113d40af0f1c028dcb315 |
| SHA1 | 018a7abc977ba73e2f66f1e7bf041191089c100c |
| SHA256 | c7b542ac39e8e5a14ef0cd70dc3bb505cbdbef4d737c7cb310353642ca914235 |
| SHA512 | 2c87ad1db2ce3745426eb47e76b855124e97747d895d8f5b90adf9018a03c6059dc96537429cf03e2d9af51ca49b751c418820d7a27557e33b8ef54f7305c406 |
memory/2372-12-0x0000000074C10000-0x00000000751BB000-memory.dmp
memory/2268-11-0x0000000074C10000-0x00000000751BB000-memory.dmp
memory/2268-13-0x0000000074C10000-0x00000000751BB000-memory.dmp
memory/2268-14-0x0000000074C10000-0x00000000751BB000-memory.dmp
memory/2268-15-0x0000000074C10000-0x00000000751BB000-memory.dmp
memory/2268-16-0x0000000074C10000-0x00000000751BB000-memory.dmp