Analysis
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max time kernel
148s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
02-07-2024 05:50
Static task
static1
Behavioral task
behavioral1
Sample
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe
Resource
win10v2004-20240611-en
General
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Target
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe
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Size
1.8MB
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MD5
93899ce9a453cf1e50e1182da46190a9
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SHA1
32c96d3268208904c56bb25fcee3c42617bb5f8b
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SHA256
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373
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SHA512
2383f1a904825da9047c2c3a5929dce328d0ae49ffd4364fb3d78f168b877aa39aa64f7c5a1c7aa8fc8802d168cf74b07c546fe241a7459c5e09fc303c8cfa25
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SSDEEP
24576:74f6Di883vDLZapu0L73Rt6UAwALeRk5nS2Ph0+O+hg+GplIL7RCSE04TJ0Yod:ECDOvDMU03uDwALeR6ShyGAL7RLLYod
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 6 IoCs
Processes:
explorti.exeexplorti.exeexplorti.exeffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exeexplorti.exeKFCFIEHCFI.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__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ KFCFIEHCFI.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 12 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exeexplorti.exeKFCFIEHCFI.exeexplorti.exeexplorti.exeexplorti.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion KFCFIEHCFI.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion KFCFIEHCFI.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.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\SystemBiosVersion explorti.exe -
Executes dropped EXE 6 IoCs
Processes:
explorti.exe1af75daa55.exeKFCFIEHCFI.exeexplorti.exeexplorti.exeexplorti.exepid process 3036 explorti.exe 688 1af75daa55.exe 3356 KFCFIEHCFI.exe 4632 explorti.exe 4236 explorti.exe 4936 explorti.exe -
Identifies Wine through registry keys 2 TTPs 6 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
explorti.exeexplorti.exeexplorti.exeffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exeexplorti.exeKFCFIEHCFI.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1560405787-796225086-678739705-1000\Software\Wine KFCFIEHCFI.exe -
Loads dropped DLL 2 IoCs
Processes:
1af75daa55.exepid process 688 1af75daa55.exe 688 1af75daa55.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:
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exeexplorti.exe1af75daa55.exeKFCFIEHCFI.exeexplorti.exeexplorti.exeexplorti.exepid process 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe 3036 explorti.exe 688 1af75daa55.exe 688 1af75daa55.exe 3356 KFCFIEHCFI.exe 4632 explorti.exe 4236 explorti.exe 4936 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exedescription ioc process File created C:\Windows\Tasks\explorti.job ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.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:
1af75daa55.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 1af75daa55.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1af75daa55.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exeexplorti.exe1af75daa55.exeKFCFIEHCFI.exeexplorti.exeexplorti.exeexplorti.exepid process 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe 3036 explorti.exe 3036 explorti.exe 688 1af75daa55.exe 688 1af75daa55.exe 688 1af75daa55.exe 688 1af75daa55.exe 3356 KFCFIEHCFI.exe 3356 KFCFIEHCFI.exe 4632 explorti.exe 4632 explorti.exe 4236 explorti.exe 4236 explorti.exe 4936 explorti.exe 4936 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exepid process 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
1af75daa55.execmd.exepid process 688 1af75daa55.exe 1528 cmd.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exeexplorti.exe1af75daa55.execmd.exedescription pid process target process PID 3016 wrote to memory of 3036 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe explorti.exe PID 3016 wrote to memory of 3036 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe explorti.exe PID 3016 wrote to memory of 3036 3016 ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe explorti.exe PID 3036 wrote to memory of 688 3036 explorti.exe 1af75daa55.exe PID 3036 wrote to memory of 688 3036 explorti.exe 1af75daa55.exe PID 3036 wrote to memory of 688 3036 explorti.exe 1af75daa55.exe PID 688 wrote to memory of 1352 688 1af75daa55.exe cmd.exe PID 688 wrote to memory of 1352 688 1af75daa55.exe cmd.exe PID 688 wrote to memory of 1352 688 1af75daa55.exe cmd.exe PID 688 wrote to memory of 1528 688 1af75daa55.exe cmd.exe PID 688 wrote to memory of 1528 688 1af75daa55.exe cmd.exe PID 688 wrote to memory of 1528 688 1af75daa55.exe cmd.exe PID 1352 wrote to memory of 3356 1352 cmd.exe KFCFIEHCFI.exe PID 1352 wrote to memory of 3356 1352 cmd.exe KFCFIEHCFI.exe PID 1352 wrote to memory of 3356 1352 cmd.exe KFCFIEHCFI.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.exe"C:\Users\Admin\AppData\Local\Temp\ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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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
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C:\Users\Admin\AppData\Local\Temp\1000006001\1af75daa55.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\1af75daa55.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
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KFCFIEHCFI.exe"4⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\KFCFIEHCFI.exe"C:\Users\Admin\AppData\Local\Temp\KFCFIEHCFI.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
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DGDBKFBAKF.exe"4⤵
- Suspicious use of SetWindowsHookEx
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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
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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
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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C:\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\Local\Temp\1000006001\1af75daa55.exeFilesize
2.3MB
MD5ebe33b40ce854edd8e39259a1b980a65
SHA1db07d27d6ee753c4b0f60ee50c0e052a12095ca3
SHA25699e1c640be9fa28cee9b185982a47bbbefe8a699b79a22bfbb97c097fb0aec31
SHA51262948eb0ae2c92118d6f121fee737926e31a2301ad5cc7a2a1442975113b5edae2310f98b08937cc9d9f790e9ef7af162bacdcb65996d1b090c99bbb3a18bb00
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeFilesize
1.8MB
MD593899ce9a453cf1e50e1182da46190a9
SHA132c96d3268208904c56bb25fcee3c42617bb5f8b
SHA256ffc1a91ff34f5402e3f56a3576e7a6361acdb1efd2fd956809ba0911f5f7b373
SHA5122383f1a904825da9047c2c3a5929dce328d0ae49ffd4364fb3d78f168b877aa39aa64f7c5a1c7aa8fc8802d168cf74b07c546fe241a7459c5e09fc303c8cfa25
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memory/688-111-0x00000000007C0000-0x0000000001393000-memory.dmpFilesize
11.8MB
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memory/688-38-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
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memory/688-37-0x00000000007C0000-0x0000000001393000-memory.dmpFilesize
11.8MB
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memory/688-105-0x00000000007C0000-0x0000000001393000-memory.dmpFilesize
11.8MB
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memory/3016-3-0x00000000009C0000-0x0000000000E65000-memory.dmpFilesize
4.6MB
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memory/3016-16-0x00000000009C0000-0x0000000000E65000-memory.dmpFilesize
4.6MB
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memory/3016-0-0x00000000009C0000-0x0000000000E65000-memory.dmpFilesize
4.6MB
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memory/3016-5-0x00000000009C0000-0x0000000000E65000-memory.dmpFilesize
4.6MB
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memory/3016-2-0x00000000009C1000-0x00000000009EF000-memory.dmpFilesize
184KB
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memory/3016-1-0x0000000076FB6000-0x0000000076FB8000-memory.dmpFilesize
8KB
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memory/3036-115-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-133-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-21-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-106-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-20-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-19-0x0000000000341000-0x000000000036F000-memory.dmpFilesize
184KB
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memory/3036-18-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-137-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-136-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-118-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-120-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-135-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-134-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-123-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-124-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-125-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-126-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-127-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-128-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-77-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3036-132-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/3356-117-0x0000000000270000-0x0000000000715000-memory.dmpFilesize
4.6MB
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memory/3356-116-0x0000000000270000-0x0000000000715000-memory.dmpFilesize
4.6MB
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memory/4236-131-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/4236-130-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/4632-122-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/4632-121-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/4936-139-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB
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memory/4936-141-0x0000000000340000-0x00000000007E5000-memory.dmpFilesize
4.6MB