Analysis Overview
SHA256
cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1
Threat Level: Known bad
The file cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1 was found to be: Known bad.
Malicious Activity Summary
Orcurs Rat Executable
Orcus family
Orcus
Orcus main payload
Orcurs Rat Executable
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Drops file in System32 directory
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-15 01:34
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-15 01:34
Reported
2025-01-15 01:37
Platform
win10v2004-20241007-en
Max time kernel
144s
Max time network
147s
Command Line
Signatures
Orcus
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\"" | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\WindowsInput.exe | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.exe.config | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| File created | C:\Windows\SysWOW64\WindowsInput.InstallState | C:\Windows\SysWOW64\WindowsInput.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1600 wrote to memory of 1504 | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 1600 wrote to memory of 1504 | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | C:\Windows\SysWOW64\WindowsInput.exe |
| PID 1600 wrote to memory of 3540 | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1600 wrote to memory of 3540 | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1600 wrote to memory of 3540 | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| SE | 92.35.5.56:20001 | tcp | |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.190.18.2.in-addr.arpa | udp |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| US | 8.8.8.8:53 | 60.153.16.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp |
Files
memory/1600-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp
memory/1600-1-0x0000000000740000-0x000000000082A000-memory.dmp
memory/1600-2-0x0000000002D30000-0x0000000002D3E000-memory.dmp
memory/1600-3-0x0000000074DA0000-0x0000000075550000-memory.dmp
memory/1600-4-0x00000000051C0000-0x000000000521C000-memory.dmp
memory/1600-5-0x0000000005980000-0x0000000005F24000-memory.dmp
memory/1600-6-0x00000000053D0000-0x0000000005462000-memory.dmp
memory/1600-7-0x0000000005840000-0x0000000005852000-memory.dmp
memory/1600-8-0x0000000005850000-0x0000000005858000-memory.dmp
memory/1600-9-0x00000000058A0000-0x00000000058C2000-memory.dmp
C:\Windows\SysWOW64\WindowsInput.exe
| MD5 | e6fcf516d8ed8d0d4427f86e08d0d435 |
| SHA1 | c7691731583ab7890086635cb7f3e4c22ca5e409 |
| SHA256 | 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337 |
| SHA512 | c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e |
C:\Windows\SysWOW64\WindowsInput.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/1504-24-0x00007FFF0CB83000-0x00007FFF0CB85000-memory.dmp
memory/1504-23-0x0000000000F10000-0x0000000000F1C000-memory.dmp
memory/1504-25-0x0000000002FC0000-0x0000000002FD2000-memory.dmp
memory/1504-30-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp
memory/1504-26-0x000000001BA50000-0x000000001BA8C000-memory.dmp
memory/1504-31-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp
memory/756-33-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp
memory/756-34-0x000000001A640000-0x000000001A74A000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | b3b92d61c47974e2b4534a6b6dadc3fd |
| SHA1 | 51543803f6c78b5369d719b604419acced0bf7cb |
| SHA256 | cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1 |
| SHA512 | 6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b |
memory/1600-50-0x0000000074DA0000-0x0000000075550000-memory.dmp
memory/3540-51-0x0000000004B30000-0x0000000004B42000-memory.dmp
memory/3540-52-0x0000000005090000-0x00000000050DE000-memory.dmp
memory/3540-54-0x0000000005860000-0x0000000005878000-memory.dmp
memory/3540-55-0x0000000005C10000-0x0000000005DD2000-memory.dmp
memory/3540-56-0x0000000005A40000-0x0000000005A50000-memory.dmp
memory/3540-57-0x0000000005B80000-0x0000000005B8A000-memory.dmp
memory/756-59-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-15 01:34
Reported
2025-01-15 01:37
Platform
win7-20240903-en
Max time kernel
147s
Max time network
148s
Command Line
Signatures
Orcus
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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:\Windows\SysWOW64\WindowsInput.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\"" | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\WindowsInput.exe.config | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe
"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe" --install
C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {E5CEB343-C669-4DA8-B309-85FB66C78117} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp | |
| SE | 92.35.5.56:20001 | tcp |
Files
memory/1992-0-0x00000000742DE000-0x00000000742DF000-memory.dmp
memory/1992-1-0x00000000002D0000-0x00000000003BA000-memory.dmp
memory/1992-2-0x00000000001C0000-0x00000000001CE000-memory.dmp
memory/1992-3-0x00000000742D0000-0x00000000749BE000-memory.dmp
memory/1992-4-0x00000000044E0000-0x000000000453C000-memory.dmp
memory/1992-5-0x0000000000260000-0x0000000000272000-memory.dmp
memory/1992-6-0x00000000002C0000-0x00000000002C8000-memory.dmp
\Windows\SysWOW64\WindowsInput.exe
| MD5 | e6fcf516d8ed8d0d4427f86e08d0d435 |
| SHA1 | c7691731583ab7890086635cb7f3e4c22ca5e409 |
| SHA256 | 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337 |
| SHA512 | c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e |
C:\Windows\SysWOW64\WindowsInput.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2884-14-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp
memory/2884-16-0x0000000000AC0000-0x0000000000ACC000-memory.dmp
memory/2884-17-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp
memory/2884-20-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp
\Program Files (x86)\Orcus\Orcus.exe
| MD5 | b3b92d61c47974e2b4534a6b6dadc3fd |
| SHA1 | 51543803f6c78b5369d719b604419acced0bf7cb |
| SHA256 | cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1 |
| SHA512 | 6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b |
memory/1992-33-0x00000000742D0000-0x00000000749BE000-memory.dmp
memory/2860-32-0x0000000001290000-0x000000000137A000-memory.dmp
memory/2860-34-0x0000000000B80000-0x0000000000BCE000-memory.dmp
memory/2860-35-0x0000000001250000-0x0000000001268000-memory.dmp
memory/2860-36-0x0000000001270000-0x0000000001280000-memory.dmp