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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
30/11/2023, 02:24
Behavioral task
behavioral1
Sample
99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe
Resource
win7-20231025-en
General
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Target
99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe
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Size
924KB
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MD5
270086e769ae63f6f15fe386ee301eb4
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SHA1
5f761d634ac920615e3f8f54a496df240708e6a9
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SHA256
99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae
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SHA512
8b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf
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SSDEEP
24576:JBB4MROxnFE3WO3ErrcI0AilFEvxHPvAooR:JQMiuDErrcI0AilFEvxHP
Malware Config
Extracted
orcus
192.168.1.142:10134
bbaa72868c07447d876093a337510db3
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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 4 IoCs
resource yara_rule behavioral2/files/0x0009000000023212-49.dat family_orcus behavioral2/files/0x0009000000023212-55.dat family_orcus behavioral2/files/0x0009000000023212-58.dat family_orcus behavioral2/files/0x0009000000023212-66.dat family_orcus -
Orcurs Rat Executable 5 IoCs
resource yara_rule behavioral2/memory/844-0-0x0000000000800000-0x00000000008EE000-memory.dmp orcus behavioral2/files/0x0009000000023212-49.dat orcus behavioral2/files/0x0009000000023212-55.dat orcus behavioral2/files/0x0009000000023212-58.dat orcus behavioral2/files/0x0009000000023212-66.dat orcus -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe Key value queried \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation Orcus.exe Key value queried \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation OrcusWatchdog.exe -
Executes dropped EXE 6 IoCs
pid Process 1292 WindowsInput.exe 1584 WindowsInput.exe 1892 Orcus.exe 3552 Orcus.exe 1644 OrcusWatchdog.exe 2648 OrcusWatchdog.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.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 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.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 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe 1892 Orcus.exe 2648 OrcusWatchdog.exe 2648 OrcusWatchdog.exe 1892 Orcus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1892 Orcus.exe Token: SeDebugPrivilege 1644 OrcusWatchdog.exe Token: SeDebugPrivilege 2648 OrcusWatchdog.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1892 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1892 Orcus.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1892 Orcus.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 844 wrote to memory of 1292 844 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe 91 PID 844 wrote to memory of 1292 844 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe 91 PID 844 wrote to memory of 1892 844 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe 93 PID 844 wrote to memory of 1892 844 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe 93 PID 844 wrote to memory of 1892 844 99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe 93 PID 1892 wrote to memory of 1644 1892 Orcus.exe 95 PID 1892 wrote to memory of 1644 1892 Orcus.exe 95 PID 1892 wrote to memory of 1644 1892 Orcus.exe 95 PID 1644 wrote to memory of 2648 1644 OrcusWatchdog.exe 96 PID 1644 wrote to memory of 2648 1644 OrcusWatchdog.exe 96 PID 1644 wrote to memory of 2648 1644 OrcusWatchdog.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe"C:\Users\Admin\AppData\Local\Temp\99f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:1292
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 1892 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 1892 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:1584
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C:\Program Files (x86)\Orcus\Orcus.exe"C:\Program Files (x86)\Orcus\Orcus.exe"1⤵
- Executes dropped EXE
PID:3552
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
924KB
MD5270086e769ae63f6f15fe386ee301eb4
SHA15f761d634ac920615e3f8f54a496df240708e6a9
SHA25699f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae
SHA5128b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf
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Filesize
924KB
MD5270086e769ae63f6f15fe386ee301eb4
SHA15f761d634ac920615e3f8f54a496df240708e6a9
SHA25699f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae
SHA5128b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf
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Filesize
924KB
MD5270086e769ae63f6f15fe386ee301eb4
SHA15f761d634ac920615e3f8f54a496df240708e6a9
SHA25699f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae
SHA5128b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf
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Filesize
924KB
MD5270086e769ae63f6f15fe386ee301eb4
SHA15f761d634ac920615e3f8f54a496df240708e6a9
SHA25699f845e345cabcc6db32220b4580679f442b5069d47130a4d1e53385ec30b8ae
SHA5128b2954c851dc1e99699b016b2adaf93a9d30499b82495d8b6c2e9d02041cc677c0935f8d2149ef842ca17c23f7500febacf6e6b945d7f5931513b95d3b68dedf
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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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
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
1KB
MD56d093e20c2bfb3dd5def4172fc56931a
SHA1900c12cefaebb6d2e41688b158d036589d78b008
SHA2568f82fb069a652171c9e4a8c00b3b3f1eb12a14c0e087adc4c78832b8f206c52e
SHA512f6fec9c47f627b428f7b17ffdbe1abc26b6f927978eaaa48782e8f23531c23c60ef13bf9d1951535c8d1c54d49098a8ba1f42129c29bfb536d7e0adea60574c6
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad