Analysis
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max time kernel
143s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-07-2024 07:51
Static task
static1
Behavioral task
behavioral1
Sample
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe
Resource
win10v2004-20240508-en
General
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Target
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe
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Size
1.8MB
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MD5
2a43e4347cf7c8b00c747ca8cbc6ff38
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SHA1
043b825e7d696a96a550f04d9f8746c4dca66317
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SHA256
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb
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SHA512
8d56ce19222e31244619daa289521a8a423df0c864bfaaf41a713971006f14ef0972efb555529cab090abb5a9440b2c8422bc3e02eac29ce04427795d7fb51f6
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SSDEEP
49152:zNr4YQY8NG8rd8Yl4IrjzqVnTV374VKfmJuOZynyegn:zN8swbl3rj4TV374VOJOZyA
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:
explorti.exeexplorti.exea1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exeexplorti.exedescription ioc Process 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__ a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.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.exea1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exeexplorti.exeexplorti.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 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe -
Executes dropped EXE 3 IoCs
Processes:
explorti.exeexplorti.exeexplorti.exepid Process 4760 explorti.exe 388 explorti.exe 3284 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.exea1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine explorti.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exeexplorti.exeexplorti.exeexplorti.exepid Process 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe 4760 explorti.exe 388 explorti.exe 3284 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exedescription ioc Process File created C:\Windows\Tasks\explorti.job a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.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:
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exeexplorti.exeexplorti.exeexplorti.exepid Process 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe 4760 explorti.exe 4760 explorti.exe 388 explorti.exe 388 explorti.exe 3284 explorti.exe 3284 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exepid Process 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exedescription pid Process procid_target PID 1012 wrote to memory of 4760 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe 81 PID 1012 wrote to memory of 4760 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe 81 PID 1012 wrote to memory of 4760 1012 a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.exe"C:\Users\Admin\AppData\Local\Temp\a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1012 -
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:4760
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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:388
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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:3284
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD52a43e4347cf7c8b00c747ca8cbc6ff38
SHA1043b825e7d696a96a550f04d9f8746c4dca66317
SHA256a1e7c9ba5d2f4816455502b943dacc9738002aa36a902f8df0c3cb4c057f2fbb
SHA5128d56ce19222e31244619daa289521a8a423df0c864bfaaf41a713971006f14ef0972efb555529cab090abb5a9440b2c8422bc3e02eac29ce04427795d7fb51f6