Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-12-2024 02:58
Behavioral task
behavioral1
Sample
59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe
Resource
win10v2004-20241007-en
General
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Target
59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe
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Size
429KB
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MD5
d57994415028bc1cb241cb794c37c487
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SHA1
3be0d72714add961db62f8f764dadf6662dc36b0
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SHA256
59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866
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SHA512
ea3caaa89a99d64f2e96bd8f4834282923341d94a2ebb09ad109dd7d2b448faa06238fbc4f1bdeaa3fcdc4e6afe2911667909df7ce2f27d52493af5abcff722a
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SSDEEP
12288:v4RG6lx/9Njr18QlSfJy4FjMSkJCzDLGDWDw:O9NtSTZMzmmD4w
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe -
Executes dropped EXE 3 IoCs
pid Process 3972 Gxtuum.exe 4580 Gxtuum.exe 5032 Gxtuum.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Gxtuum.job 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.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 2 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 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Gxtuum.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3280 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3280 wrote to memory of 3972 3280 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe 83 PID 3280 wrote to memory of 3972 3280 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe 83 PID 3280 wrote to memory of 3972 3280 59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe"C:\Users\Admin\AppData\Local\Temp\59e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe"C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3972
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C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exeC:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe1⤵
- Executes dropped EXE
PID:4580
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C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exeC:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe1⤵
- Executes dropped EXE
PID:5032
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
429KB
MD5d57994415028bc1cb241cb794c37c487
SHA13be0d72714add961db62f8f764dadf6662dc36b0
SHA25659e1274b8ea5db61ae44c9173dd436ea6429c46e564111b3692ca5b4b8c92866
SHA512ea3caaa89a99d64f2e96bd8f4834282923341d94a2ebb09ad109dd7d2b448faa06238fbc4f1bdeaa3fcdc4e6afe2911667909df7ce2f27d52493af5abcff722a