Analysis
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max time kernel
143s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-07-2024 15:53
Static task
static1
Behavioral task
behavioral1
Sample
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe
Resource
win10v2004-20240611-en
General
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Target
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe
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Size
1.8MB
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MD5
4e12569d3c3e421f624fd7560ac127a2
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SHA1
26f8c2a60857610d52a0059d77ade380ffab43e3
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SHA256
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349
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SHA512
d5889cbe06fafb6ba5aaec3c144b3adf9dfdfa1567474c65f7d4470a71b0134e40ce675ec338701dfe619faf6d74a5b0ad745ed11fbbd5f757b0e430f1e262ae
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SSDEEP
24576:QeYfsNZDecs30G1mI9DBDUZi9dEoQE+0PzxXPjXpMW09LGtQPIamK9xdvoUWV:QeFzaSId2od+0dfLryLMazNob
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:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exeexplorti.exeGCBKFIEBGC.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ GCBKFIEBGC.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.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:
explorti.exeGCBKFIEBGC.exeexplorti.exef20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exeexplorti.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion GCBKFIEBGC.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 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.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\SystemBiosVersion f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion GCBKFIEBGC.exe -
Executes dropped EXE 5 IoCs
Processes:
explorti.exef212e20ae1.exeGCBKFIEBGC.exeexplorti.exeexplorti.exepid Process 1076 explorti.exe 1936 f212e20ae1.exe 816 GCBKFIEBGC.exe 3912 explorti.exe 952 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:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exeexplorti.exeGCBKFIEBGC.exeexplorti.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine GCBKFIEBGC.exe Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Wine explorti.exe -
Loads dropped DLL 2 IoCs
Processes:
f212e20ae1.exepid Process 1936 f212e20ae1.exe 1936 f212e20ae1.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 7 IoCs
Processes:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exeexplorti.exef212e20ae1.exeGCBKFIEBGC.exeexplorti.exeexplorti.exepid Process 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe 1076 explorti.exe 1936 f212e20ae1.exe 1936 f212e20ae1.exe 816 GCBKFIEBGC.exe 3912 explorti.exe 952 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exedescription ioc Process File created C:\Windows\Tasks\explorti.job f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.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:
f212e20ae1.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 f212e20ae1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f212e20ae1.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exeexplorti.exef212e20ae1.exeGCBKFIEBGC.exeexplorti.exeexplorti.exepid Process 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe 1076 explorti.exe 1076 explorti.exe 1936 f212e20ae1.exe 1936 f212e20ae1.exe 1936 f212e20ae1.exe 1936 f212e20ae1.exe 816 GCBKFIEBGC.exe 816 GCBKFIEBGC.exe 3912 explorti.exe 3912 explorti.exe 952 explorti.exe 952 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exepid Process 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
f212e20ae1.execmd.exepid Process 1936 f212e20ae1.exe 3380 cmd.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exeexplorti.exef212e20ae1.execmd.exedescription pid Process procid_target PID 4940 wrote to memory of 1076 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe 80 PID 4940 wrote to memory of 1076 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe 80 PID 4940 wrote to memory of 1076 4940 f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe 80 PID 1076 wrote to memory of 1936 1076 explorti.exe 87 PID 1076 wrote to memory of 1936 1076 explorti.exe 87 PID 1076 wrote to memory of 1936 1076 explorti.exe 87 PID 1936 wrote to memory of 4848 1936 f212e20ae1.exe 88 PID 1936 wrote to memory of 4848 1936 f212e20ae1.exe 88 PID 1936 wrote to memory of 4848 1936 f212e20ae1.exe 88 PID 1936 wrote to memory of 3380 1936 f212e20ae1.exe 90 PID 1936 wrote to memory of 3380 1936 f212e20ae1.exe 90 PID 1936 wrote to memory of 3380 1936 f212e20ae1.exe 90 PID 4848 wrote to memory of 816 4848 cmd.exe 92 PID 4848 wrote to memory of 816 4848 cmd.exe 92 PID 4848 wrote to memory of 816 4848 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.exe"C:\Users\Admin\AppData\Local\Temp\f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349.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
PID:4940 -
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:1076 -
C:\Users\Admin\AppData\Local\Temp\1000006001\f212e20ae1.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\f212e20ae1.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:1936 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GCBKFIEBGC.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Users\Admin\AppData\Local\Temp\GCBKFIEBGC.exe"C:\Users\Admin\AppData\Local\Temp\GCBKFIEBGC.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:816
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CBAKFCBFHJ.exe"4⤵
- Suspicious use of SetWindowsHookEx
PID:3380
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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:3912
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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:952
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
MD505dda1c444fe4feda4771f75598d55d7
SHA13369deefd76ea12c621aad635547be857720d7d8
SHA2569a501e3c19a488ab6672598e26af59a019c471aaf67adcd1dba4734d7a2b9e48
SHA51201c7897fa5995332c466035f62e45faf12ff0cead90655df53c0b493833656c177b53594a0d8300c792fc43d2f6daa577e3f949f6e9118c950472d1a85ac6160
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Filesize
1.8MB
MD54e12569d3c3e421f624fd7560ac127a2
SHA126f8c2a60857610d52a0059d77ade380ffab43e3
SHA256f20be87e9914ae3b7f6043cc3486a0341ee4a7c3cf77775173a3f5a76bbc1349
SHA512d5889cbe06fafb6ba5aaec3c144b3adf9dfdfa1567474c65f7d4470a71b0134e40ce675ec338701dfe619faf6d74a5b0ad745ed11fbbd5f757b0e430f1e262ae