Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
05-02-2024 22:31
Behavioral task
behavioral1
Sample
932cb9ca236e1e8c6740d9db01410778.exe
Resource
win7-20231215-en
General
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Target
932cb9ca236e1e8c6740d9db01410778.exe
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Size
924KB
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MD5
932cb9ca236e1e8c6740d9db01410778
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SHA1
91c9efd93a353ba556a8b0acb6ffd8557756ad37
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SHA256
1a4284cd084b609aa03892894e379c630505b5e4b9ccfc278138d36668f4526f
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SHA512
675e9b5e1aec3c260d80cc4db6acdc1c877692541004ab0db1df245c6dc7c1d5c7742a2026ea7ef9b13f81cc73aa1ff3d98ca90eb9cf097bf04c54df75327f42
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SSDEEP
24576:sBB4MROxnFE3WO3XrrcI0AilFEvxHPbooR:sQMiuDXrrcI0AilFEvxHP
Malware Config
Extracted
orcus
yes
192.168.56.1:10134
1b7ce9defeb04df0a5b7ca29bd8e43e6
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autostart_method
Registry
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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
Temp\OrcusWatchdog.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000015c7a-31.dat family_orcus -
Orcurs Rat Executable 3 IoCs
resource yara_rule behavioral1/memory/688-0-0x0000000001300000-0x00000000013EE000-memory.dmp orcus behavioral1/files/0x0007000000015c7a-31.dat orcus behavioral1/memory/3068-38-0x0000000000AD0000-0x0000000000BBE000-memory.dmp orcus -
Executes dropped EXE 6 IoCs
pid Process 2712 WindowsInput.exe 2588 WindowsInput.exe 3068 Orcus.exe 2912 Orcus.exe 3044 OrcusWatchdog.exe 1964 OrcusWatchdog.exe -
Loads dropped DLL 4 IoCs
pid Process 688 932cb9ca236e1e8c6740d9db01410778.exe 688 932cb9ca236e1e8c6740d9db01410778.exe 3068 Orcus.exe 3044 OrcusWatchdog.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\"" Orcus.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe 932cb9ca236e1e8c6740d9db01410778.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 932cb9ca236e1e8c6740d9db01410778.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 (x86)\Orcus\Orcus.exe.config 932cb9ca236e1e8c6740d9db01410778.exe File created C:\Program Files (x86)\Orcus\Orcus.exe 932cb9ca236e1e8c6740d9db01410778.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe 932cb9ca236e1e8c6740d9db01410778.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1964 OrcusWatchdog.exe 1964 OrcusWatchdog.exe 1964 OrcusWatchdog.exe 1964 OrcusWatchdog.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 3068 Orcus.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe 1964 OrcusWatchdog.exe 3068 Orcus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3068 Orcus.exe Token: SeDebugPrivilege 3044 OrcusWatchdog.exe Token: SeDebugPrivilege 1964 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3068 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3068 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3068 Orcus.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 688 wrote to memory of 2712 688 932cb9ca236e1e8c6740d9db01410778.exe 29 PID 688 wrote to memory of 2712 688 932cb9ca236e1e8c6740d9db01410778.exe 29 PID 688 wrote to memory of 2712 688 932cb9ca236e1e8c6740d9db01410778.exe 29 PID 688 wrote to memory of 2712 688 932cb9ca236e1e8c6740d9db01410778.exe 29 PID 688 wrote to memory of 3068 688 932cb9ca236e1e8c6740d9db01410778.exe 31 PID 688 wrote to memory of 3068 688 932cb9ca236e1e8c6740d9db01410778.exe 31 PID 688 wrote to memory of 3068 688 932cb9ca236e1e8c6740d9db01410778.exe 31 PID 688 wrote to memory of 3068 688 932cb9ca236e1e8c6740d9db01410778.exe 31 PID 1328 wrote to memory of 2912 1328 taskeng.exe 33 PID 1328 wrote to memory of 2912 1328 taskeng.exe 33 PID 1328 wrote to memory of 2912 1328 taskeng.exe 33 PID 1328 wrote to memory of 2912 1328 taskeng.exe 33 PID 3068 wrote to memory of 3044 3068 Orcus.exe 34 PID 3068 wrote to memory of 3044 3068 Orcus.exe 34 PID 3068 wrote to memory of 3044 3068 Orcus.exe 34 PID 3068 wrote to memory of 3044 3068 Orcus.exe 34 PID 3044 wrote to memory of 1964 3044 OrcusWatchdog.exe 35 PID 3044 wrote to memory of 1964 3044 OrcusWatchdog.exe 35 PID 3044 wrote to memory of 1964 3044 OrcusWatchdog.exe 35 PID 3044 wrote to memory of 1964 3044 OrcusWatchdog.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\932cb9ca236e1e8c6740d9db01410778.exe"C:\Users\Admin\AppData\Local\Temp\932cb9ca236e1e8c6740d9db01410778.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:688 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2712
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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
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe"C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 30683⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe"C:\Users\Admin\AppData\Local\Temp\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 30684⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:2588
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C:\Windows\system32\taskeng.exetaskeng.exe {6C6F878E-97F5-46B1-AC98-8BF54378ABA5} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
PID:2912
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5a5c2476fd969a2f8db60b597ffec4e3e
SHA10c85bf0a1b82c00c64d315e911ed96cdb349dde8
SHA256a01b60f5c96431c3f1b9e440a91a1d5defd6e0cdcbc82e3aba1466de188f8e48
SHA5122c924f6ac0930593c544bc56693e6f06e93adaa48b7cb3198b510150d63350a4d5af997133381edbc2e9eadba0e874f14bb571f8e96d58009cb8da6e963d1074
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
924KB
MD5932cb9ca236e1e8c6740d9db01410778
SHA191c9efd93a353ba556a8b0acb6ffd8557756ad37
SHA2561a4284cd084b609aa03892894e379c630505b5e4b9ccfc278138d36668f4526f
SHA512675e9b5e1aec3c260d80cc4db6acdc1c877692541004ab0db1df245c6dc7c1d5c7742a2026ea7ef9b13f81cc73aa1ff3d98ca90eb9cf097bf04c54df75327f42
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e