Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18-01-2025 01:02
Behavioral task
behavioral1
Sample
8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
Resource
win7-20240903-en
General
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Target
8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe
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Size
914KB
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MD5
95587f3e29171f8d4b63209ad3c20b5c
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SHA1
21ea5d7fb0174a981d1a859f4bde2aeb0d74f955
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SHA256
8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3
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SHA512
bd7fa338fbc365a78be06355ac13c71bced27b58c12dd7d20a551a650cfae27c4365e3f3001a8b9916831fc7e9b88530203ec7be152d9021509e7091b83be127
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SSDEEP
24576:Ram4MROxnFD3ww8XlrrcI0AilFEvxHPSqooP:ROMiJsrrcI0AilFEvxHPS
Malware Config
Extracted
orcus
127.0.0.1:10134
e8c5af09f6df4beaa06157932bb3cb4a
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autostart_method
TaskScheduler
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enable_keylogger
false
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install_path
%appdata%\Win32Data\Temp\098234\svchost.exe
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reconnect_delay
10000
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registry_keyname
orcs
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taskscheduler_taskname
orcs
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watchdog_path
AppData\svchost.exe
Signatures
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Orcus family
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Orcus main payload 1 IoCs
resource yara_rule behavioral2/files/0x000a000000023b84-39.dat family_orcus -
Orcurs Rat Executable 2 IoCs
resource yara_rule behavioral2/memory/4604-1-0x0000000000960000-0x0000000000A4A000-memory.dmp orcus behavioral2/files/0x000a000000023b84-39.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation svchost.exe Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 6 IoCs
pid Process 3496 WindowsInput.exe 1168 WindowsInput.exe 4644 svchost.exe 512 svchost.exe 2368 svchost.exe 528 svchost.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 528 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 528 svchost.exe 4644 svchost.exe 528 svchost.exe 4644 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2368 svchost.exe Token: SeDebugPrivilege 528 svchost.exe Token: SeDebugPrivilege 4644 svchost.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4604 wrote to memory of 3496 4604 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe 81 PID 4604 wrote to memory of 3496 4604 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe 81 PID 4604 wrote to memory of 4644 4604 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe 84 PID 4604 wrote to memory of 4644 4604 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe 84 PID 4604 wrote to memory of 4644 4604 8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe 84 PID 4644 wrote to memory of 2368 4644 svchost.exe 86 PID 4644 wrote to memory of 2368 4644 svchost.exe 86 PID 4644 wrote to memory of 2368 4644 svchost.exe 86 PID 2368 wrote to memory of 528 2368 svchost.exe 87 PID 2368 wrote to memory of 528 2368 svchost.exe 87 PID 2368 wrote to memory of 528 2368 svchost.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe"C:\Users\Admin\AppData\Local\Temp\8502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:3496
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C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe"C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe" 4644 /protectFile3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe" 4644 "/protectFile"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:1168
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C:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exeC:\Users\Admin\AppData\Roaming\Win32Data\Temp\098234\svchost.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:512
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
914KB
MD595587f3e29171f8d4b63209ad3c20b5c
SHA121ea5d7fb0174a981d1a859f4bde2aeb0d74f955
SHA2568502a6356d3f49ff38909be8fe08f982bc709939181e360f30d3f1e6f18ab9a3
SHA512bd7fa338fbc365a78be06355ac13c71bced27b58c12dd7d20a551a650cfae27c4365e3f3001a8b9916831fc7e9b88530203ec7be152d9021509e7091b83be127
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad