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Analysis
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max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
03/12/2023, 01:47
Behavioral task
behavioral1
Sample
38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe
Resource
win10v2004-20231127-en
General
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Target
38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe
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Size
914KB
-
MD5
c83c800b6210ffe0eb25618375aa0bb9
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SHA1
9cd93773f909fa3b026e6f0de4defbed6cccd3f1
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SHA256
38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574
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SHA512
2dcd2a784f9ae7e89effc4c3171d8b3fd8c9c7bc48f75ab62292febbe7082b841b0885d19fcca14da8e722236e603c299ae729fc43468ec9851a2d1b7e7ad1d9
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SSDEEP
24576:8W64MROxnFD3orXYf1rrcI0AilFEvxHPSooX:8KMiJhrrcI0AilFEvxHP
Malware Config
Extracted
orcus
127.0.0.1:10134
0bbaa7985ac942c388c42af97c947323
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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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Orcus main payload 5 IoCs
resource yara_rule behavioral1/files/0x000800000001423c-27.dat family_orcus behavioral1/files/0x000800000001423c-29.dat family_orcus behavioral1/files/0x000800000001423c-30.dat family_orcus behavioral1/files/0x000800000001423c-32.dat family_orcus behavioral1/files/0x000800000001423c-40.dat family_orcus -
Orcurs Rat Executable 7 IoCs
resource yara_rule behavioral1/memory/2184-0-0x0000000001310000-0x00000000013FA000-memory.dmp orcus behavioral1/files/0x000800000001423c-27.dat orcus behavioral1/files/0x000800000001423c-29.dat orcus behavioral1/files/0x000800000001423c-30.dat orcus behavioral1/files/0x000800000001423c-32.dat orcus behavioral1/memory/3044-35-0x00000000001D0000-0x00000000002BA000-memory.dmp orcus behavioral1/files/0x000800000001423c-40.dat orcus -
Executes dropped EXE 6 IoCs
pid Process 2396 WindowsInput.exe 2776 WindowsInput.exe 3044 Orcus.exe 2600 Orcus.exe 1560 OrcusWatchdog.exe 2516 OrcusWatchdog.exe -
Loads dropped DLL 3 IoCs
pid Process 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 3044 Orcus.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\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 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.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 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.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 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 3044 Orcus.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe 3044 Orcus.exe 2516 OrcusWatchdog.exe 2516 OrcusWatchdog.exe 3044 Orcus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1560 OrcusWatchdog.exe Token: SeDebugPrivilege 2516 OrcusWatchdog.exe Token: SeDebugPrivilege 3044 Orcus.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3044 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3044 Orcus.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2396 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 28 PID 2184 wrote to memory of 2396 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 28 PID 2184 wrote to memory of 2396 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 28 PID 2184 wrote to memory of 2396 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 28 PID 2184 wrote to memory of 3044 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 30 PID 2184 wrote to memory of 3044 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 30 PID 2184 wrote to memory of 3044 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 30 PID 2184 wrote to memory of 3044 2184 38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe 30 PID 2652 wrote to memory of 2600 2652 taskeng.exe 32 PID 2652 wrote to memory of 2600 2652 taskeng.exe 32 PID 2652 wrote to memory of 2600 2652 taskeng.exe 32 PID 2652 wrote to memory of 2600 2652 taskeng.exe 32 PID 3044 wrote to memory of 1560 3044 Orcus.exe 33 PID 3044 wrote to memory of 1560 3044 Orcus.exe 33 PID 3044 wrote to memory of 1560 3044 Orcus.exe 33 PID 3044 wrote to memory of 1560 3044 Orcus.exe 33 PID 1560 wrote to memory of 2516 1560 OrcusWatchdog.exe 34 PID 1560 wrote to memory of 2516 1560 OrcusWatchdog.exe 34 PID 1560 wrote to memory of 2516 1560 OrcusWatchdog.exe 34 PID 1560 wrote to memory of 2516 1560 OrcusWatchdog.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe"C:\Users\Admin\AppData\Local\Temp\38e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2396
-
-
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 WriteProcessMemory
PID:3044 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 3044 /protectFile3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 3044 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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-
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:2776
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C:\Windows\system32\taskeng.exetaskeng.exe {715FD43C-F689-4AA8-8B26-5BEE21EE66F9} S-1-5-21-2952504676-3105837840-1406404655-1000:URUOZWGF\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Executes dropped EXE
PID:2600
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
914KB
MD5c83c800b6210ffe0eb25618375aa0bb9
SHA19cd93773f909fa3b026e6f0de4defbed6cccd3f1
SHA25638e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574
SHA5122dcd2a784f9ae7e89effc4c3171d8b3fd8c9c7bc48f75ab62292febbe7082b841b0885d19fcca14da8e722236e603c299ae729fc43468ec9851a2d1b7e7ad1d9
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Filesize
914KB
MD5c83c800b6210ffe0eb25618375aa0bb9
SHA19cd93773f909fa3b026e6f0de4defbed6cccd3f1
SHA25638e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574
SHA5122dcd2a784f9ae7e89effc4c3171d8b3fd8c9c7bc48f75ab62292febbe7082b841b0885d19fcca14da8e722236e603c299ae729fc43468ec9851a2d1b7e7ad1d9
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Filesize
914KB
MD5c83c800b6210ffe0eb25618375aa0bb9
SHA19cd93773f909fa3b026e6f0de4defbed6cccd3f1
SHA25638e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574
SHA5122dcd2a784f9ae7e89effc4c3171d8b3fd8c9c7bc48f75ab62292febbe7082b841b0885d19fcca14da8e722236e603c299ae729fc43468ec9851a2d1b7e7ad1d9
-
Filesize
914KB
MD5c83c800b6210ffe0eb25618375aa0bb9
SHA19cd93773f909fa3b026e6f0de4defbed6cccd3f1
SHA25638e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574
SHA5122dcd2a784f9ae7e89effc4c3171d8b3fd8c9c7bc48f75ab62292febbe7082b841b0885d19fcca14da8e722236e603c299ae729fc43468ec9851a2d1b7e7ad1d9
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
-
Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
914KB
MD5c83c800b6210ffe0eb25618375aa0bb9
SHA19cd93773f909fa3b026e6f0de4defbed6cccd3f1
SHA25638e5164dc738a0d680f4dba34a790b62dc7ef0750b63494b41a9d3efbad40574
SHA5122dcd2a784f9ae7e89effc4c3171d8b3fd8c9c7bc48f75ab62292febbe7082b841b0885d19fcca14da8e722236e603c299ae729fc43468ec9851a2d1b7e7ad1d9
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e