Analysis Overview
SHA256
054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120
Threat Level: Known bad
The file 054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-16 01:05
Signatures
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-16 01:05
Reported
2024-12-16 01:08
Platform
win7-20240729-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Orcus
Orcus family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| 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\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\WindowsInput.InstallLog | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.InstallState | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.exe | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.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\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe
"C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
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 | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp |
Files
memory/2232-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp
memory/2232-1-0x0000000000C20000-0x0000000000CFA000-memory.dmp
memory/2232-2-0x00000000002C0000-0x00000000002CA000-memory.dmp
memory/2232-3-0x0000000073F40000-0x000000007462E000-memory.dmp
memory/2232-4-0x00000000003F0000-0x000000000043C000-memory.dmp
memory/2232-5-0x0000000000B80000-0x0000000000B88000-memory.dmp
memory/2232-6-0x0000000000BA0000-0x0000000000BA8000-memory.dmp
memory/2232-7-0x0000000000BB0000-0x0000000000BBC000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.exe
| MD5 | e854a4636afc652b320e12e50ba4080e |
| SHA1 | 8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc |
| SHA256 | 94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5 |
| SHA512 | 30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118 |
memory/2204-14-0x000007FEF51BE000-0x000007FEF51BF000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.InstallLog
| MD5 | e469dda91ae810a1f94c96060f3f8a65 |
| SHA1 | 0b4b3b0f6f937016b1e045ce5313ee2a65a38630 |
| SHA256 | d42fee8db8eb0e047ca53ad59b1c9bc69fe04993be36fec502e3532371908842 |
| SHA512 | 2eb4037361c03e195c642a53f55a3182a6df19903db503060e366f2394750e64ae04fdaace61ef5a6dba649defc88322d78edd2928bc53ebd1ce11d68cc88dac |
memory/2204-25-0x000007FEF4F00000-0x000007FEF589D000-memory.dmp
memory/2204-24-0x000007FEF4F00000-0x000007FEF589D000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.InstallLog
| MD5 | c2291863df7c2d3038ce3c22fa276506 |
| SHA1 | 7b7d2bc07a6c35523807342c747c9b6a19f3184e |
| SHA256 | 14504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da |
| SHA512 | 00bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa |
memory/2204-41-0x000007FEF4F00000-0x000007FEF589D000-memory.dmp
memory/2232-44-0x00000000048F0000-0x000000000493E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | fa0ab76c614b5804003273d61c3bdcfa |
| SHA1 | 3de3e03a0ce85ae4f2ca72f6e4ffcee481ec8ed4 |
| SHA256 | 054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120 |
| SHA512 | e1b34a6d786eec99710981ac3ef643ad19a04f4f49813f258da0d87fd602796817d35808553a424abe64f28c2dcd0349846190bc2f65b39e06549defa9f4291c |
memory/2756-52-0x00000000010E0000-0x00000000011BA000-memory.dmp
memory/2232-51-0x0000000073F40000-0x000000007462E000-memory.dmp
memory/2756-53-0x0000000000D70000-0x0000000000D80000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-16 01:05
Reported
2024-12-16 01:08
Platform
win10v2004-20241007-en
Max time kernel
146s
Max time network
146s
Command Line
Signatures
Orcus
Orcus family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\WindowsInput.InstallLog | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.InstallState | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.exe | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.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\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.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 SetWindowsHookEx
| 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 4532 wrote to memory of 4668 | N/A | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 4532 wrote to memory of 4668 | N/A | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 4532 wrote to memory of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 4532 wrote to memory of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
| PID 4532 wrote to memory of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe | C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe
"C:\Users\Admin\AppData\Local\Temp\054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 192.168.1.12:10134 | tcp | |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| N/A | 192.168.1.12:10134 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| N/A | 192.168.1.12:10134 | tcp | |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp | |
| N/A | 192.168.1.12:10134 | tcp |
Files
memory/4532-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp
memory/4532-1-0x0000000000330000-0x000000000040A000-memory.dmp
memory/4532-2-0x00000000028A0000-0x00000000028AA000-memory.dmp
memory/4532-3-0x0000000074CF0000-0x00000000754A0000-memory.dmp
memory/4532-4-0x00000000054A0000-0x0000000005A44000-memory.dmp
memory/4532-5-0x0000000005290000-0x0000000005322000-memory.dmp
memory/4532-6-0x00000000051F0000-0x000000000523C000-memory.dmp
memory/4532-7-0x00000000053A0000-0x0000000005406000-memory.dmp
memory/4532-9-0x0000000005480000-0x0000000005488000-memory.dmp
memory/4532-11-0x0000000005D60000-0x0000000005D6C000-memory.dmp
memory/4532-10-0x0000000005D80000-0x0000000005DA2000-memory.dmp
memory/4532-8-0x0000000005460000-0x0000000005468000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.exe
| MD5 | e854a4636afc652b320e12e50ba4080e |
| SHA1 | 8a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc |
| SHA256 | 94b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5 |
| SHA512 | 30aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118 |
memory/4668-23-0x00007FF9E8AA5000-0x00007FF9E8AA6000-memory.dmp
memory/4668-24-0x0000000000C80000-0x0000000000C98000-memory.dmp
memory/4668-25-0x0000000000CE0000-0x0000000000D00000-memory.dmp
memory/4668-26-0x00007FF9E87F0000-0x00007FF9E9191000-memory.dmp
memory/4668-27-0x00007FF9E87F0000-0x00007FF9E9191000-memory.dmp
memory/4668-30-0x000000001B4C0000-0x000000001B4E4000-memory.dmp
memory/4668-38-0x000000001BE20000-0x000000001C2EE000-memory.dmp
memory/4668-39-0x000000001C390000-0x000000001C42C000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.InstallLog
| MD5 | c2291863df7c2d3038ce3c22fa276506 |
| SHA1 | 7b7d2bc07a6c35523807342c747c9b6a19f3184e |
| SHA256 | 14504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da |
| SHA512 | 00bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa |
memory/4668-56-0x00007FF9E87F0000-0x00007FF9E9191000-memory.dmp
memory/4532-59-0x00000000063E0000-0x000000000642E000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
| MD5 | fa0ab76c614b5804003273d61c3bdcfa |
| SHA1 | 3de3e03a0ce85ae4f2ca72f6e4ffcee481ec8ed4 |
| SHA256 | 054697ace0d766b0c0020a079d9293151df9df526d0ce4680961ce842b55f120 |
| SHA512 | e1b34a6d786eec99710981ac3ef643ad19a04f4f49813f258da0d87fd602796817d35808553a424abe64f28c2dcd0349846190bc2f65b39e06549defa9f4291c |
memory/392-70-0x0000000074CFE000-0x0000000074CFF000-memory.dmp
memory/392-72-0x0000000074CF0000-0x00000000754A0000-memory.dmp
memory/4532-73-0x0000000074CF0000-0x00000000754A0000-memory.dmp
memory/392-74-0x00000000063B0000-0x0000000006572000-memory.dmp
memory/392-75-0x0000000006320000-0x0000000006330000-memory.dmp
memory/392-76-0x00000000063A0000-0x00000000063AA000-memory.dmp
memory/392-77-0x0000000074CFE000-0x0000000074CFF000-memory.dmp
memory/392-78-0x0000000074CF0000-0x00000000754A0000-memory.dmp