Analysis
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max time kernel
142s -
max time network
109s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14-06-2024 13:50
Static task
static1
Behavioral task
behavioral1
Sample
5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe
Resource
win10v2004-20240611-en
General
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Target
5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe
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Size
1.8MB
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MD5
e7a7f0d3b1f3b713d3d342171769f780
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SHA1
392e27572588ad5320d560e6cb386385c9a2b572
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SHA256
5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b
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SHA512
7a5ce8ba7444d3b7b270f5f6d45305e9759f254943775fe69f44a0837ab2eacb1e2b24e29224de64af8d79202f82cc1e220ee445bce698cae6fd6ee4e55aef37
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SSDEEP
49152:I2oNGk/aEQgjsj9V7EHfb64EGI3vgCAAWgwKyRiFM:I2I/Qn77SfbFEvvAAWgwK
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__ 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.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\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\SystemBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explortu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.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 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe -
Executes dropped EXE 4 IoCs
pid Process 2424 explortu.exe 3808 explortu.exe 2636 explortu.exe 2028 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-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine explortu.exe Key opened \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe Key opened \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Wine explortu.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 4628 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe 2424 explortu.exe 3808 explortu.exe 2636 explortu.exe 2028 explortu.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explortu.job 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.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 4628 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe 4628 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe 2424 explortu.exe 2424 explortu.exe 3808 explortu.exe 3808 explortu.exe 2636 explortu.exe 2636 explortu.exe 2028 explortu.exe 2028 explortu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4628 wrote to memory of 2424 4628 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe 80 PID 4628 wrote to memory of 2424 4628 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe 80 PID 4628 wrote to memory of 2424 4628 5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe"C:\Users\Admin\AppData\Local\Temp\5bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4628 -
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:2424
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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:3808
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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:2636
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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:2028
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5e7a7f0d3b1f3b713d3d342171769f780
SHA1392e27572588ad5320d560e6cb386385c9a2b572
SHA2565bc1d9c794966dabffe65b6ebd02b93b9be33164e98ed44d5606b3e01a70d03b
SHA5127a5ce8ba7444d3b7b270f5f6d45305e9759f254943775fe69f44a0837ab2eacb1e2b24e29224de64af8d79202f82cc1e220ee445bce698cae6fd6ee4e55aef37