Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-06-2024 16:29
Static task
static1
Behavioral task
behavioral1
Sample
e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe
Resource
win11-20240611-en
General
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Target
e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe
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Size
1.8MB
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MD5
7e74e441f49de3ca47a935d3f1352a25
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SHA1
ddef4d47b74b426a36db467088e0bb4a0b2b21b7
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SHA256
e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9
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SHA512
6e8764b307894d44ad393c24ce1714742906361dfe3ed45e625b66ab2c7d05ddecd72420943afc6a3c4adbb4c7cf4754ee7ce49959d12e8419846c3f9a3943e2
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SSDEEP
49152:Ve5dGyZJqrPenY1Ll9+1WB529ifv3xww5rwvhRF:Veb0rPeY1Lv+1q52UffxZwvhr
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 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.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 8 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\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe -
Executes dropped EXE 3 IoCs
pid Process 2836 explortu.exe 2168 explortu.exe 3336 explortu.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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe Key opened \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe 2836 explortu.exe 2168 explortu.exe 3336 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.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
pid Process 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe 2836 explortu.exe 2836 explortu.exe 2168 explortu.exe 2168 explortu.exe 3336 explortu.exe 3336 explortu.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3564 wrote to memory of 2836 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe 84 PID 3564 wrote to memory of 2836 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe 84 PID 3564 wrote to memory of 2836 3564 e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.exe"C:\Users\Admin\AppData\Local\Temp\e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9.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:3564 -
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:2836
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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:2168
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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:3336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD57e74e441f49de3ca47a935d3f1352a25
SHA1ddef4d47b74b426a36db467088e0bb4a0b2b21b7
SHA256e3d939b8f74dc55bfbc79f22d2d8da96d8304e6352f4d1a5f866e8735a53f3d9
SHA5126e8764b307894d44ad393c24ce1714742906361dfe3ed45e625b66ab2c7d05ddecd72420943afc6a3c4adbb4c7cf4754ee7ce49959d12e8419846c3f9a3943e2