Analysis
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max time kernel
143s -
max time network
117s -
platform
windows11-21h2_x64 -
resource
win11-20240704-en -
resource tags
arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-07-2024 04:12
Static task
static1
Behavioral task
behavioral1
Sample
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe
Resource
win10v2004-20240704-en
General
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Target
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe
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Size
1.8MB
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MD5
22bae4ffd5b629d91db4c121c5b7928b
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SHA1
09228e3c1de80cce258ba1d731d13a6770f97924
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SHA256
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda
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SHA512
c0e4d7a11e09b693f0cf97739d9ac20ea2d905aa9a5e98f499514b678bb6ebf1aaa91d376a7717ee061eb78ebedea0a4ab28f0a3aeb267fa578e3d39f55ea0f6
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SSDEEP
24576:WA/fYQ/H8/MzUJqYniEbA8l/rLJZbUGsPICkrCHdlGcYOTdpFgOWLtsJPZd7jcX:WA/QYiLey//UlPIYzYSpF3rw
Malware Config
Extracted
amadey
4.30
4dd39d
http://77.91.77.82
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install_dir
ad40971b6b
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install_file
explorti.exe
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strings_key
a434973ad22def7137dbb5e059b7081e
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url_paths
/Hun4Ko/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exeexplorti.exeexplorti.exeexplorti.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe -
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorti.exeexplorti.exeexplorti.exe8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe -
Executes dropped EXE 3 IoCs
Processes:
explorti.exeexplorti.exeexplorti.exepid process 556 explorti.exe 5000 explorti.exe 1472 explorti.exe -
Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
explorti.exe8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exeexplorti.exeexplorti.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3234977864-427365696-1522832567-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3234977864-427365696-1522832567-1000\Software\Wine 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe Key opened \REGISTRY\USER\S-1-5-21-3234977864-427365696-1522832567-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3234977864-427365696-1522832567-1000\Software\Wine explorti.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exeexplorti.exeexplorti.exeexplorti.exepid process 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe 556 explorti.exe 5000 explorti.exe 1472 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exedescription ioc process File created C:\Windows\Tasks\explorti.job 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exeexplorti.exeexplorti.exeexplorti.exepid process 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe 556 explorti.exe 556 explorti.exe 5000 explorti.exe 5000 explorti.exe 1472 explorti.exe 1472 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exepid process 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exedescription pid process target process PID 1780 wrote to memory of 556 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe explorti.exe PID 1780 wrote to memory of 556 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe explorti.exe PID 1780 wrote to memory of 556 1780 8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe explorti.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe"C:\Users\Admin\AppData\Local\Temp\8f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:556
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:5000
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD522bae4ffd5b629d91db4c121c5b7928b
SHA109228e3c1de80cce258ba1d731d13a6770f97924
SHA2568f536ec9bbaa7e6d9ca59f052cbcddca92856996d7429e15b070ba082fa96bda
SHA512c0e4d7a11e09b693f0cf97739d9ac20ea2d905aa9a5e98f499514b678bb6ebf1aaa91d376a7717ee061eb78ebedea0a4ab28f0a3aeb267fa578e3d39f55ea0f6