Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-06-2024 18:50
Static task
static1
Behavioral task
behavioral1
Sample
aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe
Resource
win10v2004-20240508-en
General
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Target
aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe
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Size
1.8MB
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MD5
4621751c3f6eefa29e8d24d472b7fd5c
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SHA1
1ef528e0517c76e2d57740ad070965e982528924
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SHA256
aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c
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SHA512
8fa13bc0e78e81e915930bcccf8a5c9a2fe3ff31f931d9424ca24348b8b3d003ee65a3fe7bebcae1ac984cb5c5db57795739204d37b59486b7285f6872ab21a6
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SSDEEP
49152:hoQhmzwEzS0f8dhhZmhxk4Epba/iv7MRYldlJ2gm2BZC:h//EzS5hGhGbtK+5c
Malware Config
Extracted
amadey
4.21
0e6740
http://147.45.47.155
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install_dir
9217037dc9
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install_file
explortu.exe
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strings_key
8e894a8a4a3d0da8924003a561cfb244
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url_paths
/ku4Nor9/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explortu.exe -
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe -
Executes dropped EXE 4 IoCs
pid Process 4800 explortu.exe 4592 explortu.exe 3716 explortu.exe 4828 explortu.exe -
Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe Key opened \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2924 aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe 4800 explortu.exe 4592 explortu.exe 3716 explortu.exe 4828 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2924 aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe 2924 aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe 4800 explortu.exe 4800 explortu.exe 4592 explortu.exe 4592 explortu.exe 3716 explortu.exe 3716 explortu.exe 4828 explortu.exe 4828 explortu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2924 wrote to memory of 4800 2924 aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe 76 PID 2924 wrote to memory of 4800 2924 aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe 76 PID 2924 wrote to memory of 4800 2924 aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.exe"C:\Users\Admin\AppData\Local\Temp\aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c.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 WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4800
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C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4592
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C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:3716
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C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exeC:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:4828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD54621751c3f6eefa29e8d24d472b7fd5c
SHA11ef528e0517c76e2d57740ad070965e982528924
SHA256aa7dbc55de09cbe91dbae7496e2c237194ff6d827fd4af2af4ea56efb526c34c
SHA5128fa13bc0e78e81e915930bcccf8a5c9a2fe3ff31f931d9424ca24348b8b3d003ee65a3fe7bebcae1ac984cb5c5db57795739204d37b59486b7285f6872ab21a6