Analysis
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max time kernel
149s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19/06/2024, 12:27
Static task
static1
Behavioral task
behavioral1
Sample
8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe
Resource
win10v2004-20240508-en
General
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Target
8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe
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Size
1.8MB
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MD5
c5983a659ebf4221947d6f2b172046e4
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SHA1
6780c29a68b77b8cf8dd41644c68e54d6675a6b4
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SHA256
8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606
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SHA512
6756d6cdeda152d8b2654895882082f51c4df2d684df9f46b5449293a5191bb24d1617a7335a0b0f46b4317010541c7cfe43a50498dbb303d0bb8de0ed2ec8c6
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SSDEEP
49152:mrZOC8qzpKL2dXV/2o6uDvaqgnjIgWyHX6:J84+fy36
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__ 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.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__ explortu.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\VideoBiosVersion 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\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\SystemBiosVersion 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe -
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe -
Executes dropped EXE 4 IoCs
pid Process 3216 explortu.exe 4404 explortu.exe 2296 explortu.exe 3680 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-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 1920 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe 3216 explortu.exe 4404 explortu.exe 2296 explortu.exe 3680 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.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 1920 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe 1920 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe 3216 explortu.exe 3216 explortu.exe 4404 explortu.exe 4404 explortu.exe 2296 explortu.exe 2296 explortu.exe 3680 explortu.exe 3680 explortu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1920 wrote to memory of 3216 1920 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe 84 PID 1920 wrote to memory of 3216 1920 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe 84 PID 1920 wrote to memory of 3216 1920 8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe"C:\Users\Admin\AppData\Local\Temp\8491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1920 -
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:3216
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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:4404
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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:2296
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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:3680
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5c5983a659ebf4221947d6f2b172046e4
SHA16780c29a68b77b8cf8dd41644c68e54d6675a6b4
SHA2568491dd6b7b8fa67897edd50d8153ff2010f5bcf6058d5b1a1b7927c8e7bbe606
SHA5126756d6cdeda152d8b2654895882082f51c4df2d684df9f46b5449293a5191bb24d1617a7335a0b0f46b4317010541c7cfe43a50498dbb303d0bb8de0ed2ec8c6