Analysis
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max time kernel
142s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2024, 04:45
Static task
static1
Behavioral task
behavioral1
Sample
73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe
Resource
win10v2004-20240426-en
General
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Target
73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe
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Size
1.8MB
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MD5
db449664f4044d5d6094e2f0780f40b8
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SHA1
8704bc9afb7a49e6545c9b0080127d3d722306b7
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SHA256
73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe
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SHA512
47f59b00d21fc5bb52921f78fb2182c2ad9d48995558c44152bebec3e18d2ac873853fefd20b3b699124ecd34f835acc8baa49906d459568d46290130ab23fde
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SSDEEP
49152:CXqQnh78ilf9RTz/Gq2fvTBG5cW7GBz/r9krqLtC7zCDuv:kf9tOvTBgYJksR6
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__ 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.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 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.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 explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.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 -
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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe -
Executes dropped EXE 4 IoCs
pid Process 4264 explortu.exe 4608 explortu.exe 3876 explortu.exe 4376 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-1-5-21-1162180587-977231257-2194346871-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Wine 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 1576 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe 4264 explortu.exe 4608 explortu.exe 3876 explortu.exe 4376 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.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 1576 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe 1576 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe 4264 explortu.exe 4264 explortu.exe 4608 explortu.exe 4608 explortu.exe 3876 explortu.exe 3876 explortu.exe 4376 explortu.exe 4376 explortu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1576 wrote to memory of 4264 1576 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe 87 PID 1576 wrote to memory of 4264 1576 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe 87 PID 1576 wrote to memory of 4264 1576 73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.exe"C:\Users\Admin\AppData\Local\Temp\73cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe.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:1576 -
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:4264
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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:4608
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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:3876
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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:4376
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5db449664f4044d5d6094e2f0780f40b8
SHA18704bc9afb7a49e6545c9b0080127d3d722306b7
SHA25673cf46ec8be892d9e4227a7302bc7e4b040e5517fe709fec8c3490aac07fccfe
SHA51247f59b00d21fc5bb52921f78fb2182c2ad9d48995558c44152bebec3e18d2ac873853fefd20b3b699124ecd34f835acc8baa49906d459568d46290130ab23fde