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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
09/12/2023, 01:58
Behavioral task
behavioral1
Sample
f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe
Resource
win10v2004-20231127-en
General
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Target
f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe
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Size
920KB
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MD5
c9aeef7c44479314d6358e7c145d9646
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SHA1
969560e3d2ee7cf934be23313bcbe0c913bfdabf
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SHA256
f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03
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SHA512
dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e
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SSDEEP
24576:t554MROxnFZ3aIBM45rrcI0AilFEvxHP3oo1:tQMi7ae5rrcI0AilFEvxHP
Malware Config
Extracted
orcus
46.55.218.169:1337
680ae3a19f2e4d55a11b066207de7ad5
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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 3 IoCs
resource yara_rule behavioral2/files/0x000900000002323e-40.dat family_orcus behavioral2/files/0x000900000002323e-45.dat family_orcus behavioral2/files/0x000900000002323e-48.dat family_orcus -
Orcurs Rat Executable 4 IoCs
resource yara_rule behavioral2/memory/1208-1-0x00000000006A0000-0x000000000078C000-memory.dmp orcus behavioral2/files/0x000900000002323e-40.dat orcus behavioral2/files/0x000900000002323e-45.dat orcus behavioral2/files/0x000900000002323e-48.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-1-5-21-3455265224-196869244-2056873367-1000\Control Panel\International\Geo\Nation OrcusWatchdog.exe Key value queried \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Control Panel\International\Geo\Nation f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe Key value queried \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\Control Panel\International\Geo\Nation Orcus.exe -
Executes dropped EXE 5 IoCs
pid Process 4460 WindowsInput.exe 816 WindowsInput.exe 4516 Orcus.exe 1532 OrcusWatchdog.exe 3856 OrcusWatchdog.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\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 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.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 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe File created C:\Program Files (x86)\Orcus\Orcus.exe.config f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.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 3856 OrcusWatchdog.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe 3856 OrcusWatchdog.exe 4516 Orcus.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1532 OrcusWatchdog.exe Token: SeDebugPrivilege 3856 OrcusWatchdog.exe Token: SeDebugPrivilege 4516 Orcus.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4516 Orcus.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4516 Orcus.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1208 wrote to memory of 4460 1208 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe 89 PID 1208 wrote to memory of 4460 1208 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe 89 PID 1208 wrote to memory of 4516 1208 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe 95 PID 1208 wrote to memory of 4516 1208 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe 95 PID 1208 wrote to memory of 4516 1208 f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe 95 PID 4516 wrote to memory of 1532 4516 Orcus.exe 98 PID 4516 wrote to memory of 1532 4516 Orcus.exe 98 PID 4516 wrote to memory of 1532 4516 Orcus.exe 98 PID 1532 wrote to memory of 3856 1532 OrcusWatchdog.exe 99 PID 1532 wrote to memory of 3856 1532 OrcusWatchdog.exe 99 PID 1532 wrote to memory of 3856 1532 OrcusWatchdog.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe"C:\Users\Admin\AppData\Local\Temp\f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:4460
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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
- 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:4516 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 4516 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 4516 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3856
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:816
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
920KB
MD5c9aeef7c44479314d6358e7c145d9646
SHA1969560e3d2ee7cf934be23313bcbe0c913bfdabf
SHA256f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03
SHA512dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e
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Filesize
920KB
MD5c9aeef7c44479314d6358e7c145d9646
SHA1969560e3d2ee7cf934be23313bcbe0c913bfdabf
SHA256f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03
SHA512dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e
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Filesize
920KB
MD5c9aeef7c44479314d6358e7c145d9646
SHA1969560e3d2ee7cf934be23313bcbe0c913bfdabf
SHA256f56a3534a417eace42f382e3dd4c831aeb2ef0cf60aaf186e8d5ecf5d77e7e03
SHA512dfa17c07bd1e2287b721e19e596144a435025d4decea5338ffb3193359091c01fa522176e996ba26cb3146bb0f94e0fd4b8269bdf6a2d1a8ce89033ef71c7a3e
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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
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