Analysis
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max time kernel
111s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 13:19
Behavioral task
behavioral1
Sample
test.exe
Resource
win7-20240221-en
windows7-x64
13 signatures
1800 seconds
Behavioral task
behavioral2
Sample
test.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
15 signatures
1800 seconds
General
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Target
test.exe
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Size
3.2MB
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MD5
ba673cd29119974eba5c7a7173480e89
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SHA1
12c7db1b85f2e422faa28dd802a42470ce33bb8d
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SHA256
a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77
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SHA512
e2d2ae4db1ed50a0aa8f8183454fede7a915b8d0c6f19fbc51e851c53fbd850880d7a350915825c29f5a619da4d8bfd2b9b8eef47ef14e3306097a101e475d47
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SSDEEP
49152:EoWN8QFUwqYZeM9/ZzzBjMkPUayX82+YXAypQxb9ndo9JnCmGWncFf0I74gu3vMv:Ep0wGGzBjryX82uypSb9ndo9JCmc
Score
10/10
Malware Config
Extracted
Family
orcus
C2
192.168.56.1:10134
Mutex
cf2702edb1ff4197a537ecb675c687d0
Attributes
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autostart_method
Registry
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enable_keylogger
false
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
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Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/2596-1-0x000002BD54A10000-0x000002BD54D4C000-memory.dmp orcus behavioral2/files/0x000700000002341a-37.dat orcus -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation test.exe -
Executes dropped EXE 3 IoCs
pid Process 2676 WindowsInput.exe 3000 WindowsInput.exe 1996 Orcus.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files\\Orcus\\Orcus.exe\"" Orcus.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe test.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config test.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files\Orcus\Orcus.exe test.exe File opened for modification C:\Program Files\Orcus\Orcus.exe test.exe File created C:\Program Files\Orcus\Orcus.exe.config test.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4164 taskmgr.exe Token: SeSystemProfilePrivilege 4164 taskmgr.exe Token: SeCreateGlobalPrivilege 4164 taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe 4164 taskmgr.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2596 wrote to memory of 2676 2596 test.exe 83 PID 2596 wrote to memory of 2676 2596 test.exe 83 PID 2596 wrote to memory of 1996 2596 test.exe 89 PID 2596 wrote to memory of 1996 2596 test.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\test.exe"C:\Users\Admin\AppData\Local\Temp\test.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2676
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C:\Program Files\Orcus\Orcus.exe"C:\Program Files\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1996
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:3000
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4164
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.2MB
MD5ba673cd29119974eba5c7a7173480e89
SHA112c7db1b85f2e422faa28dd802a42470ce33bb8d
SHA256a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77
SHA512e2d2ae4db1ed50a0aa8f8183454fede7a915b8d0c6f19fbc51e851c53fbd850880d7a350915825c29f5a619da4d8bfd2b9b8eef47ef14e3306097a101e475d47
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Filesize
21KB
MD5a80be96476032d2eaa901d180fe9fb73
SHA1f378d0bc5fefb9ea0b5006f020091ffcbcd7acec
SHA256d6075c1ed6f285f5de01ce0cc6a817b59054da8b19f20bc7081cfe7fb2b1af42
SHA512210c0c4c845b416a601015fba5ccd2a3e8a4b81d3b4c5e0491b07bd0dcad938d9b118728bb1abc21eb73c5f9263a3c08e1822ece91002a2d1f0983857f0192ea
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad