Analysis
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max time kernel
142s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03-07-2024 11:54
Static task
static1
Behavioral task
behavioral1
Sample
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe
Resource
win10v2004-20240508-en
General
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Target
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe
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Size
1.8MB
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MD5
cd9407ed0f3449be68d81f2d84b76d23
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SHA1
45aa1e2ccc28850da9aab93b7f6fcf28fe152421
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SHA256
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7
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SHA512
10fbc40abf6c988426305ea672b8af86acb169b817af9e9b2bcef13dc00ee5459f8c7cac41e83c74e2572a88a2a4cd200895398f19adce7ea2580470e4fe1741
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SSDEEP
49152:HQ5f3Xe4TsuqIc4uwuqfRX11O7qn/UolilvHfxbbZ:HQBu4TjqIcufRF1Mc/Uz1xb9
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:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exeexplorti.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.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.exefd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exeexplorti.exeexplorti.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.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\SystemBiosVersion explorti.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe -
Executes dropped EXE 3 IoCs
Processes:
explorti.exeexplorti.exeexplorti.exepid Process 4816 explorti.exe 4220 explorti.exe 4960 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:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exeexplorti.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Wine explorti.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exeexplorti.exeexplorti.exeexplorti.exepid Process 2440 fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe 4816 explorti.exe 4220 explorti.exe 4960 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exedescription ioc Process File created C:\Windows\Tasks\explorti.job fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.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:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exeexplorti.exeexplorti.exeexplorti.exepid Process 2440 fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe 2440 fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe 4816 explorti.exe 4816 explorti.exe 4220 explorti.exe 4220 explorti.exe 4960 explorti.exe 4960 explorti.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exedescription pid Process procid_target PID 2440 wrote to memory of 4816 2440 fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe 81 PID 2440 wrote to memory of 4816 2440 fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe 81 PID 2440 wrote to memory of 4816 2440 fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.exe"C:\Users\Admin\AppData\Local\Temp\fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7.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 WriteProcessMemory
PID:2440 -
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:4816
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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:4220
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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:4960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5cd9407ed0f3449be68d81f2d84b76d23
SHA145aa1e2ccc28850da9aab93b7f6fcf28fe152421
SHA256fd186d2994d3357f4168b85ebad83df2455704248091a118bb8288d14eb771f7
SHA51210fbc40abf6c988426305ea672b8af86acb169b817af9e9b2bcef13dc00ee5459f8c7cac41e83c74e2572a88a2a4cd200895398f19adce7ea2580470e4fe1741