Analysis Overview
SHA256
3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90
Threat Level: Known bad
The file file.exe was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Looks for VirtualBox Guest Additions in registry
Orcurs Rat Executable
Looks for VMWare Tools registry key
Loads dropped DLL
Executes dropped EXE
Checks BIOS information in registry
Maps connected drives based on registry
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-05 17:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-05 17:16
Reported
2024-12-05 17:18
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Orcus
Orcus family
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\windows\System Runner.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\666999666 = "C:\\ProgramData\\file.exe" | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2532 set thread context of 3516 | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | C:\Users\Admin\AppData\Local\Temp\file.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\windows\System Runner.exe | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| File opened for modification | C:\Program Files (x86)\windows\System Runner.exe | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| File created | C:\Program Files (x86)\windows\System Runner.exe.config | C:\Users\Admin\AppData\Local\Temp\file.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\file.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\timeout.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\windows\System Runner.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\windows\System Runner.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd" /c timeout /t 1 && DEL /f file.exe
C:\Windows\SysWOW64\timeout.exe
timeout /t 1
C:\Program Files (x86)\windows\System Runner.exe
"C:\Program Files (x86)\windows\System Runner.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
Files
memory/2532-0-0x00000000740AE000-0x00000000740AF000-memory.dmp
memory/2532-1-0x00000000008F0000-0x0000000000D04000-memory.dmp
memory/2532-3-0x0000000005310000-0x00000000055BC000-memory.dmp
memory/2532-2-0x00000000740A0000-0x000000007478E000-memory.dmp
memory/2532-4-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-9-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-7-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-5-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-27-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-31-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-47-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-49-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-67-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-65-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-63-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-61-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-59-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-57-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-55-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-53-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-51-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-45-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-43-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-41-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-39-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-37-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-35-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-33-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-29-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-25-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-23-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-21-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-19-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-17-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-15-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-13-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-11-0x0000000005310000-0x00000000055B6000-memory.dmp
memory/2532-34734-0x00000000740A0000-0x000000007478E000-memory.dmp
memory/2532-34735-0x00000000740AE000-0x00000000740AF000-memory.dmp
memory/2532-34736-0x00000000740A0000-0x000000007478E000-memory.dmp
\Users\Admin\AppData\Local\Temp\file.exe
| MD5 | 8158f2604b140c677599c7e151b01caa |
| SHA1 | 86c85b589762df652ef89085ad524cdbe64c6788 |
| SHA256 | 3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90 |
| SHA512 | e9a8411406802d76f58ac938a35a707022c68a8f7d4b00cef8e020815a5990c48c7af0f06bdb1cf4a49c1d5ee21d4a2cff979414d233ae297cbf9f0dbe2d7ee7 |
memory/3516-34760-0x00000000740A0000-0x000000007478E000-memory.dmp
memory/3516-34759-0x0000000000400000-0x000000000052E000-memory.dmp
memory/2532-34758-0x00000000740A0000-0x000000007478E000-memory.dmp
memory/3516-34764-0x00000000740A0000-0x000000007478E000-memory.dmp
memory/3516-34821-0x0000000000380000-0x000000000038E000-memory.dmp
memory/3516-34822-0x0000000005B20000-0x0000000005B7C000-memory.dmp
memory/3516-34823-0x00000000740A0000-0x000000007478E000-memory.dmp
memory/3516-34824-0x00000000003C0000-0x00000000003D2000-memory.dmp
memory/4004-34836-0x0000000001280000-0x0000000001694000-memory.dmp
memory/3516-34835-0x00000000740A0000-0x000000007478E000-memory.dmp
C:\Program Files (x86)\windows\System Runner.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-05 17:16
Reported
2024-12-05 17:18
Platform
win10v2004-20241007-en
Max time kernel
74s
Max time network
152s
Command Line
Signatures
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\file.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\file.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
Files
memory/3748-0-0x000000007480E000-0x000000007480F000-memory.dmp
memory/3748-1-0x0000000000E20000-0x0000000001234000-memory.dmp
memory/3748-2-0x0000000005D20000-0x0000000005FCC000-memory.dmp
memory/3748-3-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/3748-4-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/3748-30-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-50-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-48-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-64-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-68-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-62-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-60-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-58-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-56-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-54-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-52-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-66-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-44-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-42-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-40-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-46-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-38-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-36-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-34-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-32-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-28-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-27-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-22-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-20-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-18-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-24-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-16-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-14-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-12-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-10-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-8-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-6-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-5-0x0000000005D20000-0x0000000005FC6000-memory.dmp
memory/3748-1673-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/3748-1623-0x000000007480E000-0x000000007480F000-memory.dmp