Analysis
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max time kernel
145s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
03-07-2024 06:26
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
acd738c0840861a12f13acff7c6fd7e5
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SHA1
113b1470af40d3bd3a2af70f57390ba5d8b1162a
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SHA256
dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c
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SHA512
28f42d37296b2c36307a186f8900f38b892604fa859f5b74bb4c0a1aa5c40545f7769d65f2731f14ed9aa434029367f7e65e2c1e6d0dec9d1836b38bbd8fa36f
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SSDEEP
49152:jghPiN+z8pTtWAF8aLy7JPGc+u0DyWpzGDAhZkWdP8I7u6:mPf4ppWAF8/tu5u8LzGshZt1u
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:
IECGIEBAEB.exeexplorti.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ IECGIEBAEB.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:
IECGIEBAEB.exeexplorti.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion IECGIEBAEB.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion IECGIEBAEB.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe -
Executes dropped EXE 3 IoCs
Processes:
IECGIEBAEB.exeexplorti.exe73420b51f7.exepid Process 1452 IECGIEBAEB.exe 2020 explorti.exe 1668 73420b51f7.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:
IECGIEBAEB.exeexplorti.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine IECGIEBAEB.exe Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine explorti.exe -
Loads dropped DLL 6 IoCs
Processes:
file.execmd.exeIECGIEBAEB.exeexplorti.exepid Process 2260 file.exe 2260 file.exe 2772 cmd.exe 1452 IECGIEBAEB.exe 2020 explorti.exe 2020 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.exeIECGIEBAEB.exeexplorti.exe73420b51f7.exepid Process 2260 file.exe 2260 file.exe 1452 IECGIEBAEB.exe 2020 explorti.exe 1668 73420b51f7.exe -
Drops file in Windows directory 1 IoCs
Processes:
IECGIEBAEB.exedescription ioc Process File created C:\Windows\Tasks\explorti.job IECGIEBAEB.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.exeIECGIEBAEB.exeexplorti.exepid Process 2260 file.exe 2260 file.exe 1452 IECGIEBAEB.exe 2020 explorti.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
IECGIEBAEB.exepid Process 1452 IECGIEBAEB.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
file.exe73420b51f7.exepid Process 2260 file.exe 1668 73420b51f7.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
file.execmd.exeIECGIEBAEB.exeexplorti.exedescription pid Process procid_target PID 2260 wrote to memory of 2772 2260 file.exe 29 PID 2260 wrote to memory of 2772 2260 file.exe 29 PID 2260 wrote to memory of 2772 2260 file.exe 29 PID 2260 wrote to memory of 2772 2260 file.exe 29 PID 2260 wrote to memory of 880 2260 file.exe 31 PID 2260 wrote to memory of 880 2260 file.exe 31 PID 2260 wrote to memory of 880 2260 file.exe 31 PID 2260 wrote to memory of 880 2260 file.exe 31 PID 2772 wrote to memory of 1452 2772 cmd.exe 33 PID 2772 wrote to memory of 1452 2772 cmd.exe 33 PID 2772 wrote to memory of 1452 2772 cmd.exe 33 PID 2772 wrote to memory of 1452 2772 cmd.exe 33 PID 1452 wrote to memory of 2020 1452 IECGIEBAEB.exe 34 PID 1452 wrote to memory of 2020 1452 IECGIEBAEB.exe 34 PID 1452 wrote to memory of 2020 1452 IECGIEBAEB.exe 34 PID 1452 wrote to memory of 2020 1452 IECGIEBAEB.exe 34 PID 2020 wrote to memory of 1668 2020 explorti.exe 35 PID 2020 wrote to memory of 1668 2020 explorti.exe 35 PID 2020 wrote to memory of 1668 2020 explorti.exe 35 PID 2020 wrote to memory of 1668 2020 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:2260 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.exe"C:\Users\Admin\AppData\Local\Temp\IECGIEBAEB.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:1452 -
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:2020 -
C:\Users\Admin\AppData\Local\Temp\1000006001\73420b51f7.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\73420b51f7.exe"5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:1668
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GDBKJDGIJE.exe"2⤵PID:880
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.4MB
MD5acd738c0840861a12f13acff7c6fd7e5
SHA1113b1470af40d3bd3a2af70f57390ba5d8b1162a
SHA256dde34f614758e4d68e6732f7de0c9e210e6e8d56d65aae0f2cb1ee5d953d587c
SHA51228f42d37296b2c36307a186f8900f38b892604fa859f5b74bb4c0a1aa5c40545f7769d65f2731f14ed9aa434029367f7e65e2c1e6d0dec9d1836b38bbd8fa36f
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Filesize
1.8MB
MD5e5063918fa59220d9ed0825cd9db008d
SHA167ffb0e5b5bb17570693cb5f4ae71f6eb884aa5f
SHA256f7f95df14c2a31de57ed2b10749ff0b10706b7562acd667099243d1c6a754a47
SHA512a42e7418644f042934d2fec087b3e16fe7f7252c3963b3f81762127a7055ada0ffc6fb31699021620b58627f699d2e55e3a94df71d27b6ea216ba76c9574d3d8
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571