Analysis Overview
SHA256
2c0b6e9da517e46f5f6ff794dce882f7d90e74323dfd08987a94faf31881f385
Threat Level: Known bad
The file rizzler123.exe was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Drops desktop.ini file(s)
Drops file in Windows directory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-28 23:17
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-28 23:17
Reported
2024-11-28 23:20
Platform
win10v2004-20241007-en
Max time kernel
140s
Max time network
148s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\rizzler123.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\rizzler123.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\rizzler123.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\rizzler123.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Users\Admin\AppData\Local\Temp\rizzler123.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\rizzler123.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 2616 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2616 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2616 wrote to memory of 3716 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\rizzler123.exe
"C:\Users\Admin\AppData\Local\Temp\rizzler123.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | j-manufactured.gl.at.ply.gg | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
Files
memory/2616-0-0x0000000074E92000-0x0000000074E93000-memory.dmp
memory/2616-1-0x0000000074E90000-0x0000000075441000-memory.dmp
memory/2616-2-0x0000000074E90000-0x0000000075441000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 44656648138039b9c14643dadc0373a8 |
| SHA1 | f2ece89a49ab4ba8b2294157637c61624e45b00f |
| SHA256 | 2c0b6e9da517e46f5f6ff794dce882f7d90e74323dfd08987a94faf31881f385 |
| SHA512 | 75fd45754d543aab0a7f1082aaca4549c538379334b0ed7c58793a14550fe6bdb5228a4a58ae016927f37ffdfdca891c110fb8db725a80198d39ed06dc0a5da0 |
memory/2616-19-0x0000000074E90000-0x0000000075441000-memory.dmp
memory/3716-20-0x0000000074E90000-0x0000000075441000-memory.dmp
memory/3716-21-0x0000000074E90000-0x0000000075441000-memory.dmp
memory/3716-18-0x0000000074E90000-0x0000000075441000-memory.dmp
memory/3716-22-0x0000000074E90000-0x0000000075441000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-28 23:17
Reported
2024-11-28 23:20
Platform
win7-20241010-en
Max time kernel
150s
Max time network
152s
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\rizzler123.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\rizzler123.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 2880 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2880 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2880 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 2880 wrote to memory of 2900 | N/A | C:\Users\Admin\AppData\Local\Temp\rizzler123.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\rizzler123.exe
"C:\Users\Admin\AppData\Local\Temp\rizzler123.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 | j-manufactured.gl.at.ply.gg | udp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | j-manufactured.gl.at.ply.gg | tcp |
| US | 147.185.221.24:10919 | tcp |
Files
memory/2880-0-0x0000000073F01000-0x0000000073F02000-memory.dmp
memory/2880-1-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2880-2-0x0000000073F00000-0x00000000744AB000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | 44656648138039b9c14643dadc0373a8 |
| SHA1 | f2ece89a49ab4ba8b2294157637c61624e45b00f |
| SHA256 | 2c0b6e9da517e46f5f6ff794dce882f7d90e74323dfd08987a94faf31881f385 |
| SHA512 | 75fd45754d543aab0a7f1082aaca4549c538379334b0ed7c58793a14550fe6bdb5228a4a58ae016927f37ffdfdca891c110fb8db725a80198d39ed06dc0a5da0 |
memory/2880-12-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2900-11-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2900-13-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2900-14-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2900-15-0x0000000073F00000-0x00000000744AB000-memory.dmp
memory/2900-16-0x0000000073F00000-0x00000000744AB000-memory.dmp