Analysis
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max time kernel
143s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
03-07-2024 09:48
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240611-en
General
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Target
file.exe
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Size
2.4MB
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MD5
43a78a6987bf599db55f41bd3cd1d011
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SHA1
b55a8d60de946c9151de60df2225dce89c95be43
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SHA256
ff5c8360c9f87054525970c5aeb707cc177291904206b5c18b09e0e6e2ce7420
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SHA512
808312620b6c2517876aa4f744a53be817fa9b0b5cdcb681943da060652957519c20e9f533f602dc6cdc8a0068a01e526cff797156f67b0f350f38c7b55bbbf4
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SSDEEP
49152:Temt0UCcKZDPedhvpY6aUOisJzakKlfpazVxg4F2OhRoZqiwIG:NucKVERevisqlfMv1QO/oZJq
Malware Config
Extracted
stealc
jony
http://85.28.47.4
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url_path
/920475a59bac849d.php
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 2 IoCs
Processes:
IIEBKJECFC.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ IIEBKJECFC.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 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorti.exeIIEBKJECFC.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion IIEBKJECFC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion IIEBKJECFC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe -
Executes dropped EXE 3 IoCs
Processes:
IIEBKJECFC.exeexplorti.exe9fed913d31.exepid Process 2712 IIEBKJECFC.exe 1596 explorti.exe 832 9fed913d31.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
IIEBKJECFC.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Wine IIEBKJECFC.exe Key opened \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Wine explorti.exe -
Loads dropped DLL 6 IoCs
Processes:
file.execmd.exeIIEBKJECFC.exeexplorti.exepid Process 2172 file.exe 2172 file.exe 2584 cmd.exe 2712 IIEBKJECFC.exe 1596 explorti.exe 1596 explorti.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 5 IoCs
Processes:
file.exeIIEBKJECFC.exeexplorti.exe9fed913d31.exepid Process 2172 file.exe 2172 file.exe 2712 IIEBKJECFC.exe 1596 explorti.exe 832 9fed913d31.exe -
Drops file in Windows directory 1 IoCs
Processes:
IIEBKJECFC.exedescription ioc Process File created C:\Windows\Tasks\explorti.job IIEBKJECFC.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:
file.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString file.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
file.exeIIEBKJECFC.exeexplorti.exepid Process 2172 file.exe 2172 file.exe 2712 IIEBKJECFC.exe 1596 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
IIEBKJECFC.exepid Process 2712 IIEBKJECFC.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
file.exe9fed913d31.exepid Process 2172 file.exe 832 9fed913d31.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
file.execmd.exeIIEBKJECFC.exeexplorti.exedescription pid Process procid_target PID 2172 wrote to memory of 2584 2172 file.exe 29 PID 2172 wrote to memory of 2584 2172 file.exe 29 PID 2172 wrote to memory of 2584 2172 file.exe 29 PID 2172 wrote to memory of 2584 2172 file.exe 29 PID 2172 wrote to memory of 2136 2172 file.exe 30 PID 2172 wrote to memory of 2136 2172 file.exe 30 PID 2172 wrote to memory of 2136 2172 file.exe 30 PID 2172 wrote to memory of 2136 2172 file.exe 30 PID 2584 wrote to memory of 2712 2584 cmd.exe 33 PID 2584 wrote to memory of 2712 2584 cmd.exe 33 PID 2584 wrote to memory of 2712 2584 cmd.exe 33 PID 2584 wrote to memory of 2712 2584 cmd.exe 33 PID 2712 wrote to memory of 1596 2712 IIEBKJECFC.exe 34 PID 2712 wrote to memory of 1596 2712 IIEBKJECFC.exe 34 PID 2712 wrote to memory of 1596 2712 IIEBKJECFC.exe 34 PID 2712 wrote to memory of 1596 2712 IIEBKJECFC.exe 34 PID 1596 wrote to memory of 832 1596 explorti.exe 35 PID 1596 wrote to memory of 832 1596 explorti.exe 35 PID 1596 wrote to memory of 832 1596 explorti.exe 35 PID 1596 wrote to memory of 832 1596 explorti.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IIEBKJECFC.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Users\Admin\AppData\Local\Temp\IIEBKJECFC.exe"C:\Users\Admin\AppData\Local\Temp\IIEBKJECFC.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Users\Admin\AppData\Local\Temp\1000006001\9fed913d31.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\9fed913d31.exe"5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:832
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CFIEHCFIEC.exe"2⤵PID:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.4MB
MD543a78a6987bf599db55f41bd3cd1d011
SHA1b55a8d60de946c9151de60df2225dce89c95be43
SHA256ff5c8360c9f87054525970c5aeb707cc177291904206b5c18b09e0e6e2ce7420
SHA512808312620b6c2517876aa4f744a53be817fa9b0b5cdcb681943da060652957519c20e9f533f602dc6cdc8a0068a01e526cff797156f67b0f350f38c7b55bbbf4
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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
1.8MB
MD50f767ab9de8f50d18c8506f5f0d567fa
SHA1491a38357ee3a44aad8c129d41271fcbfe3c5a62
SHA25617d4e9b1afe9f6dfac2d3598a4e90b553c52102965957686504f3d5e6aa8d5c6
SHA51278d424661ac8ecc42a66f561ece458d2588017f7d2e4b854abe84ca9a6afb253aef90ce2eae613a01606137836f9274985a0eeb78ebed5980fe59497ef467eb9