Analysis
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max time kernel
146s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-07-2024 01:25
Static task
static1
Behavioral task
behavioral1
Sample
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe
Resource
win10v2004-20240611-en
General
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Target
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe
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Size
1.8MB
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MD5
d7695d73a7f4b98447dbebff21720788
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SHA1
38d17f524b7e0e4e15c03ab808ee79dff618e088
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SHA256
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540
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SHA512
f7b5d31cbb5ef533392afc19e0364185bd14f8e1c1536f55d9a04e79ea8226b053e9c1529f4ebc22ccd6ea015efd793aa2fe6885c94716704b965d8a25a8bc5c
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SSDEEP
49152:0gHzmsGO9B066nQR+0VL/ecW08wwPPqp4YVTuEwXU:5msbB0twvL/12pPSp4fEwXU
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 5 IoCs
Processes:
explorti.exea2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exeexplorti.exeHIIEBAFCBK.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ HIIEBAFCBK.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 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exeexplorti.exeexplorti.exeHIIEBAFCBK.exeexplorti.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion HIIEBAFCBK.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion HIIEBAFCBK.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\SystemBiosVersion explorti.exe -
Executes dropped EXE 5 IoCs
Processes:
explorti.exe8aa2fb95cf.exeHIIEBAFCBK.exeexplorti.exeexplorti.exepid Process 4940 explorti.exe 2440 8aa2fb95cf.exe 3508 HIIEBAFCBK.exe 3456 explorti.exe 4900 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.
Processes:
explorti.exea2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exeexplorti.exeHIIEBAFCBK.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe Key opened \REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine HIIEBAFCBK.exe Key opened \REGISTRY\USER\S-1-5-21-2394516847-3409208829-2230326962-1000\Software\Wine explorti.exe -
Loads dropped DLL 2 IoCs
Processes:
8aa2fb95cf.exepid Process 2440 8aa2fb95cf.exe 2440 8aa2fb95cf.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 8 IoCs
Processes:
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exeexplorti.exe8aa2fb95cf.exeHIIEBAFCBK.exeexplorti.exeexplorti.exepid Process 1500 a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe 4940 explorti.exe 2440 8aa2fb95cf.exe 2440 8aa2fb95cf.exe 2440 8aa2fb95cf.exe 3508 HIIEBAFCBK.exe 3456 explorti.exe 4900 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exedescription ioc Process File created C:\Windows\Tasks\explorti.job a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
8aa2fb95cf.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 8aa2fb95cf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 8aa2fb95cf.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exeexplorti.exe8aa2fb95cf.exeHIIEBAFCBK.exeexplorti.exeexplorti.exepid Process 1500 a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe 1500 a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe 4940 explorti.exe 4940 explorti.exe 2440 8aa2fb95cf.exe 2440 8aa2fb95cf.exe 2440 8aa2fb95cf.exe 2440 8aa2fb95cf.exe 3508 HIIEBAFCBK.exe 3508 HIIEBAFCBK.exe 3456 explorti.exe 3456 explorti.exe 4900 explorti.exe 4900 explorti.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
8aa2fb95cf.execmd.exepid Process 2440 8aa2fb95cf.exe 4320 cmd.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exeexplorti.exe8aa2fb95cf.execmd.exedescription pid Process procid_target PID 1500 wrote to memory of 4940 1500 a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe 80 PID 1500 wrote to memory of 4940 1500 a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe 80 PID 1500 wrote to memory of 4940 1500 a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe 80 PID 4940 wrote to memory of 2440 4940 explorti.exe 82 PID 4940 wrote to memory of 2440 4940 explorti.exe 82 PID 4940 wrote to memory of 2440 4940 explorti.exe 82 PID 2440 wrote to memory of 4816 2440 8aa2fb95cf.exe 83 PID 2440 wrote to memory of 4816 2440 8aa2fb95cf.exe 83 PID 2440 wrote to memory of 4816 2440 8aa2fb95cf.exe 83 PID 2440 wrote to memory of 4320 2440 8aa2fb95cf.exe 85 PID 2440 wrote to memory of 4320 2440 8aa2fb95cf.exe 85 PID 2440 wrote to memory of 4320 2440 8aa2fb95cf.exe 85 PID 4816 wrote to memory of 3508 4816 cmd.exe 87 PID 4816 wrote to memory of 3508 4816 cmd.exe 87 PID 4816 wrote to memory of 3508 4816 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.exe"C:\Users\Admin\AppData\Local\Temp\a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540.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:1500 -
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:4940 -
C:\Users\Admin\AppData\Local\Temp\1000006001\8aa2fb95cf.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\8aa2fb95cf.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HIIEBAFCBK.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Users\Admin\AppData\Local\Temp\HIIEBAFCBK.exe"C:\Users\Admin\AppData\Local\Temp\HIIEBAFCBK.exe"5⤵
- 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:3508
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCFBFBFBKF.exe"4⤵
- Suspicious use of SetWindowsHookEx
PID:4320
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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:3456
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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:4900
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
2.4MB
MD51323616c7b4228edd3735c144d4632c2
SHA134c45567ebdfcfeeb9d950aa527bf3bac2709a41
SHA25696a32d13cd84073e06f1b0c27c7daf3192bbce58278fbf5c1270bcae4c0eba37
SHA512d023ba0ec57b3a80fdba972c259b60f4f3779a0d9692317e3e009507b8adf9bb66b63aa09214677dd8294750d7e8d6250722b5687fcca1e9eb7da16718c6a079
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Filesize
1.8MB
MD5d7695d73a7f4b98447dbebff21720788
SHA138d17f524b7e0e4e15c03ab808ee79dff618e088
SHA256a2af4191c71b061b4869588d8e64911f1934b784675fc40018ff40333fbd8540
SHA512f7b5d31cbb5ef533392afc19e0364185bd14f8e1c1536f55d9a04e79ea8226b053e9c1529f4ebc22ccd6ea015efd793aa2fe6885c94716704b965d8a25a8bc5c