Analysis
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max time kernel
146s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-07-2024 19:25
Static task
static1
Behavioral task
behavioral1
Sample
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe
Resource
win10v2004-20240508-en
General
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Target
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe
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Size
1.8MB
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MD5
4391cc413e2c6880cac804fdbfc6b3e3
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SHA1
656e598cdd4a9fe2a4bb53d72ac9a380f60f0948
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SHA256
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450
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SHA512
539dc59920115be09f49702b7e7d0edaf912d72e1df9ec1d78a81c74cd5e7030789d74dd85c295591e71d259bcacd81d98533ac0ff6faef712ce44e4e8a7d605
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SSDEEP
49152:mU4xHR908Hvw2cX87LuzjRBvoL97Zwxhl3D:m5HmTHHRVoRVS3
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
Extracted
stealc
jony
http://85.28.47.4
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url_path
/920475a59bac849d.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
explorti.exeexplorti.exe428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exeexplorti.exedescription 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__ 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorti.exeexplorti.exeexplorti.exe428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.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 explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe -
Executes dropped EXE 4 IoCs
Processes:
explorti.exe31eca4c46c.exeexplorti.exeexplorti.exepid Process 1464 explorti.exe 3604 31eca4c46c.exe 3640 explorti.exe 2708 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:
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exeexplorti.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe Key opened \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Wine explorti.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
Processes:
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exeexplorti.exe31eca4c46c.exeexplorti.exeexplorti.exepid Process 2052 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe 1464 explorti.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 3640 explorti.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 2708 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exedescription ioc Process File created C:\Windows\Tasks\explorti.job 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4648 3604 WerFault.exe 78 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
31eca4c46c.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 31eca4c46c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 31eca4c46c.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exeexplorti.exe31eca4c46c.exeexplorti.exeexplorti.exepid Process 2052 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe 2052 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe 1464 explorti.exe 1464 explorti.exe 3604 31eca4c46c.exe 3604 31eca4c46c.exe 3640 explorti.exe 3640 explorti.exe 2708 explorti.exe 2708 explorti.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
31eca4c46c.exepid Process 3604 31eca4c46c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exeexplorti.exedescription pid Process procid_target PID 2052 wrote to memory of 1464 2052 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe 77 PID 2052 wrote to memory of 1464 2052 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe 77 PID 2052 wrote to memory of 1464 2052 428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe 77 PID 1464 wrote to memory of 3604 1464 explorti.exe 78 PID 1464 wrote to memory of 3604 1464 explorti.exe 78 PID 1464 wrote to memory of 3604 1464 explorti.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.exe"C:\Users\Admin\AppData\Local\Temp\428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450.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:2052 -
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
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\AppData\Local\Temp\1000006001\31eca4c46c.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\31eca4c46c.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3604 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 14564⤵
- Program crash
PID:4648
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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:3640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3604 -ip 36041⤵PID:3864
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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:2708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.4MB
MD5f7f2373c7005d9978782be75bef6a1c4
SHA124523818e79c6ccc38c90de912743552e98be2be
SHA256bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13
SHA51226e4a9ba65207c91dd181c5010d051838d6172dcbfc165aa750cbe72297dde0b0c0e54b024a6cba070089f3ac5f943d67ba779ee64f78a8f37b425f274f607d8
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Filesize
1.8MB
MD54391cc413e2c6880cac804fdbfc6b3e3
SHA1656e598cdd4a9fe2a4bb53d72ac9a380f60f0948
SHA256428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450
SHA512539dc59920115be09f49702b7e7d0edaf912d72e1df9ec1d78a81c74cd5e7030789d74dd85c295591e71d259bcacd81d98533ac0ff6faef712ce44e4e8a7d605