Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
01-08-2024 01:14
Behavioral task
behavioral1
Sample
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe
Resource
win7-20240729-en
General
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Target
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe
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Size
918KB
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MD5
dbf06f8c7aac18054f713d4795f3b48f
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SHA1
f6b4d693d2d39b8a3f61311b7c94d381583334c8
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SHA256
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c
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SHA512
043b0c84e6616376fd5830a85b03a5188bb1b752f94cdbd1f5b6bf88a4ace2a031a5365f7b45e147e3869945150ebbe1a92009852ba544fec7dca8d52318ea77
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SSDEEP
24576:M554MROxnFZ3aIBM4+rrcI0AilFEvxHPGoov:MQMi7ae+rrcI0AilFEvxHP
Malware Config
Extracted
orcus
тест
192.168.101.102:37375
931740ae9b854115addd9f6dfdf826c4
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autostart_method
TaskScheduler
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enable_keylogger
true
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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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Orcus main payload 1 IoCs
Processes:
resource yara_rule behavioral1/files/0x000800000001752b-26.dat family_orcus -
Orcurs Rat Executable 3 IoCs
Processes:
resource yara_rule behavioral1/memory/288-1-0x0000000000AB0000-0x0000000000B9C000-memory.dmp orcus behavioral1/files/0x000800000001752b-26.dat orcus behavioral1/memory/2616-33-0x0000000000C10000-0x0000000000CFC000-memory.dmp orcus -
Executes dropped EXE 6 IoCs
Processes:
WindowsInput.exeWindowsInput.exeOrcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exepid Process 2352 WindowsInput.exe 3008 WindowsInput.exe 2616 Orcus.exe 2004 Orcus.exe 2740 OrcusWatchdog.exe 2520 OrcusWatchdog.exe -
Loads dropped DLL 3 IoCs
Processes:
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exeOrcus.exepid Process 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 2616 Orcus.exe -
Drops file in System32 directory 3 IoCs
Processes:
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exeWindowsInput.exedescription ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe -
Drops file in Program Files directory 3 IoCs
Processes:
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exedescription ioc Process File created C:\Program Files (x86)\Orcus\Orcus.exe.config be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe File created C:\Program Files (x86)\Orcus\Orcus.exe be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exeOrcus.exeOrcus.exeOrcusWatchdog.exeOrcusWatchdog.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Orcus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Orcus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OrcusWatchdog.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OrcusWatchdog.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
OrcusWatchdog.exeOrcus.exepid Process 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2616 Orcus.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe 2520 OrcusWatchdog.exe 2616 Orcus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Orcus.exeOrcusWatchdog.exeOrcusWatchdog.exedescription pid Process Token: SeDebugPrivilege 2616 Orcus.exe Token: SeDebugPrivilege 2740 OrcusWatchdog.exe Token: SeDebugPrivilege 2520 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
Orcus.exepid Process 2616 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
Orcus.exepid Process 2616 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Orcus.exepid Process 2616 Orcus.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exetaskeng.exeOrcus.exeOrcusWatchdog.exedescription pid Process procid_target PID 288 wrote to memory of 2352 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 30 PID 288 wrote to memory of 2352 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 30 PID 288 wrote to memory of 2352 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 30 PID 288 wrote to memory of 2352 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 30 PID 288 wrote to memory of 2616 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 32 PID 288 wrote to memory of 2616 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 32 PID 288 wrote to memory of 2616 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 32 PID 288 wrote to memory of 2616 288 be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe 32 PID 2676 wrote to memory of 2004 2676 taskeng.exe 34 PID 2676 wrote to memory of 2004 2676 taskeng.exe 34 PID 2676 wrote to memory of 2004 2676 taskeng.exe 34 PID 2676 wrote to memory of 2004 2676 taskeng.exe 34 PID 2616 wrote to memory of 2740 2616 Orcus.exe 35 PID 2616 wrote to memory of 2740 2616 Orcus.exe 35 PID 2616 wrote to memory of 2740 2616 Orcus.exe 35 PID 2616 wrote to memory of 2740 2616 Orcus.exe 35 PID 2740 wrote to memory of 2520 2740 OrcusWatchdog.exe 36 PID 2740 wrote to memory of 2520 2740 OrcusWatchdog.exe 36 PID 2740 wrote to memory of 2520 2740 OrcusWatchdog.exe 36 PID 2740 wrote to memory of 2520 2740 OrcusWatchdog.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe"C:\Users\Admin\AppData\Local\Temp\be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:288 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2352
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 2616 /protectFile3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 2616 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2520
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:3008
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C:\Windows\system32\taskeng.exetaskeng.exe {AD843D35-947A-4944-B739-D207C5C9743B} S-1-5-21-2257386474-3982792636-3902186748-1000:CTBHAMHL\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
918KB
MD5dbf06f8c7aac18054f713d4795f3b48f
SHA1f6b4d693d2d39b8a3f61311b7c94d381583334c8
SHA256be1fc4a2177662175dee98c7c2acd740370c91979cf91f6e8294a47bb908e78c
SHA512043b0c84e6616376fd5830a85b03a5188bb1b752f94cdbd1f5b6bf88a4ace2a031a5365f7b45e147e3869945150ebbe1a92009852ba544fec7dca8d52318ea77
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33