Analysis
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max time kernel
143s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 02:49
Behavioral task
behavioral1
Sample
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe
Resource
win10v2004-20240508-en
General
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Target
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe
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Size
1.6MB
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MD5
df47d994fce83c0dd101e4f4b93e4324
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SHA1
2be4f18a386faf34d177031dbb97ef0f46a07808
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SHA256
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a
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SHA512
e3733b2933d1aeca3e3c0408c059f0e6a43d8b094f2d2a125d3694cf598898648b548ccddfd11df4241406895b70f9eb1c80ed8458d61bd0463243807bf2c6f9
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SSDEEP
49152:qvU/FGTwxegEqJVyUKvuurqiRpicFGEOId/gNddaVtXX:qvUtS6EqJVhQtpicFPJRgZaVNX
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorku.exe -
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorku.exe43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorku.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorku.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe -
Executes dropped EXE 3 IoCs
Processes:
explorku.exeexplorku.exeexplorku.exepid process 1616 explorku.exe 3920 explorku.exe 2776 explorku.exe -
Processes:
resource yara_rule behavioral1/memory/2376-1-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-0-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-2-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-5-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-8-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-7-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-6-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-4-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/2376-3-0x0000000000660000-0x0000000000B63000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe themida behavioral1/memory/1616-20-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-27-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-29-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-30-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-28-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-26-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-25-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-24-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/1616-23-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2376-22-0x0000000000660000-0x0000000000B63000-memory.dmp themida behavioral1/memory/1616-31-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-37-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-42-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-43-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-41-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-40-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-39-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-38-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-36-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/3920-45-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-53-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-59-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-58-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-57-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-56-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-55-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-54-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida behavioral1/memory/2776-61-0x0000000000AE0000-0x0000000000FE3000-memory.dmp themida -
Processes:
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exeexplorku.exeexplorku.exeexplorku.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorku.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorku.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA explorku.exe -
Drops file in Windows directory 1 IoCs
Processes:
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exedescription ioc process File created C:\Windows\Tasks\explorku.job 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exepid process 2376 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exedescription pid process target process PID 2376 wrote to memory of 1616 2376 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe explorku.exe PID 2376 wrote to memory of 1616 2376 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe explorku.exe PID 2376 wrote to memory of 1616 2376 43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe explorku.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe"C:\Users\Admin\AppData\Local\Temp\43ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
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C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exeC:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
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C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exeC:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exeFilesize
1.6MB
MD5df47d994fce83c0dd101e4f4b93e4324
SHA12be4f18a386faf34d177031dbb97ef0f46a07808
SHA25643ad090293fea7ef765086bbcc0bada4975fdf8afa8eb155d665863aa842d06a
SHA512e3733b2933d1aeca3e3c0408c059f0e6a43d8b094f2d2a125d3694cf598898648b548ccddfd11df4241406895b70f9eb1c80ed8458d61bd0463243807bf2c6f9
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memory/1616-23-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-28-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-24-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-25-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-26-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-31-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-30-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-29-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-27-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/1616-20-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2376-0-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-3-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-4-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-6-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-7-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-22-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-5-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-1-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-8-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2376-2-0x0000000000660000-0x0000000000B63000-memory.dmpFilesize
5.0MB
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memory/2776-54-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-56-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-61-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-55-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-57-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-58-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-59-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/2776-53-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-45-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-36-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-38-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-39-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-40-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-37-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-41-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-42-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB
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memory/3920-43-0x0000000000AE0000-0x0000000000FE3000-memory.dmpFilesize
5.0MB