Analysis
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max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-07-2024 08:25
Static task
static1
Behavioral task
behavioral1
Sample
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe
Resource
win10v2004-20240508-en
General
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Target
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe
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Size
1.8MB
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MD5
aa9cd3b0280f65030aebe03ac565e41f
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SHA1
8e7246a4171955d949c3c0f9c615765fa597b67f
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SHA256
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76
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SHA512
42407ba9a794fa888207f650fcb8b16cb346b2ad0de86b172167a9dcf70402053ce2f9516f7fce60f26fa3ee9941ca6c3860a40090b265f45f3486e551d35e7c
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SSDEEP
24576:vDSQKE4bjAMG4U57KczhEyT8oDfNTfiIIzgFkgjbu5Q23h9nQlbIWHngKgmgbp1:5X4vAXL57KcFHDfBezgFb2R9nQeU+D7
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:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exeexplorti.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 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__ explorti.exe -
Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorti.exeexplorti.exe1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.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 explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe -
Executes dropped EXE 3 IoCs
Processes:
explorti.exeexplorti.exeexplorti.exepid Process 4864 explorti.exe 4604 explorti.exe 4836 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:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exeexplorti.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exeexplorti.exeexplorti.exeexplorti.exepid Process 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 4864 explorti.exe 4604 explorti.exe 4836 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exedescription ioc Process File created C:\Windows\Tasks\explorti.job 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.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:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exeexplorti.exeexplorti.exeexplorti.exepid Process 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 4864 explorti.exe 4864 explorti.exe 4604 explorti.exe 4604 explorti.exe 4836 explorti.exe 4836 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exepid Process 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exedescription pid Process procid_target PID 1968 wrote to memory of 4864 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 81 PID 1968 wrote to memory of 4864 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 81 PID 1968 wrote to memory of 4864 1968 1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.exe"C:\Users\Admin\AppData\Local\Temp\1b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1968 -
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:4864
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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:4604
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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:4836
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5aa9cd3b0280f65030aebe03ac565e41f
SHA18e7246a4171955d949c3c0f9c615765fa597b67f
SHA2561b861ecb6e5fae5bcd6b9ddcc806fbd2b117eea9cbf22774ced9de0f679f9f76
SHA51242407ba9a794fa888207f650fcb8b16cb346b2ad0de86b172167a9dcf70402053ce2f9516f7fce60f26fa3ee9941ca6c3860a40090b265f45f3486e551d35e7c