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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/07/2024, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
Resource
win10v2004-20240611-en
General
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Target
0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe
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Size
1.9MB
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MD5
f4725cf3a9c819a354f92e948fd2b232
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SHA1
00461514d81b209e3678cf018607a1e740dd4477
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SHA256
0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187
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SHA512
f5f9964981283f443b9cbc67ad2b36f431319a1936fd68e5151c6d49b6e09871acf89a8e8ce068495d7f7bf8eadafdcf3e886d06853d31540ab30f664b40521d
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SSDEEP
49152:ZJJxMgkzxDh7ShkFtssfF3dw5c6S7UMMGW:1TkFPffFtsD
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 5 IoCs
description 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__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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 -
Executes dropped EXE 4 IoCs
pid Process 3620 explorti.exe 3220 explorti.exe 4496 explorti.exe 3720 explorti.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-1-5-21-1672260578-815027929-964132517-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine explorti.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe 3620 explorti.exe 3220 explorti.exe 4496 explorti.exe 3720 explorti.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorti.job 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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 2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe 2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe 3620 explorti.exe 3620 explorti.exe 3220 explorti.exe 3220 explorti.exe 4496 explorti.exe 4496 explorti.exe 3720 explorti.exe 3720 explorti.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2492 wrote to memory of 3620 2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe 78 PID 2492 wrote to memory of 3620 2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe 78 PID 2492 wrote to memory of 3620 2492 0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.exe"C:\Users\Admin\AppData\Local\Temp\0a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187.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:2492 -
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:3620
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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:3220
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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:4496
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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:3720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.9MB
MD5f4725cf3a9c819a354f92e948fd2b232
SHA100461514d81b209e3678cf018607a1e740dd4477
SHA2560a99c76bf83db04806ed8885d825506a7a0fd57e73284a7620f0d32414f52187
SHA512f5f9964981283f443b9cbc67ad2b36f431319a1936fd68e5151c6d49b6e09871acf89a8e8ce068495d7f7bf8eadafdcf3e886d06853d31540ab30f664b40521d