Analysis
- max time kernel
142s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
03/09/2024, 01:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe
Resource
win7-20240704-en
13 signatures
150 seconds
General
- Target 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe
- Size 1.9MB
- Sample240903-by4dpsvbpa
- SHA256 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae
- MD5 9fce1d6aee0e20bfcccefe185bad317a
- SHA1 ee4cbfff8a2829cfe8487a238f945b1411affc76
- SHA512 22c5f6e322f5b47501843b2e0e26de51aadbdbe012dfca005c73b1a003300ae1b2b0489298c8514c928bf9cd59fa146b2f944404ae619ebde231836d7acfd62f
- SSDEEP 49152:zci1PCJ3UmR2HqYaHVi2yN+fcHhTTAVcikbC:zci4LGba0oEhfAmikbC
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.41
Botnet
-
0657d1
C2
-
http://185.215.113.19
Attributes
-
install_dir
0d8f5eb8a7
-
install_file
explorti.exe
-
strings_key
6c55a5f34bb433fbd933a168577b1838
-
url_paths
/Vi9leo/index.php
rc4.plain
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.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__ explorti.exe - Checks BIOS information in registry 2 TTPs 8 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process 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\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.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 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe - Executes dropped EXE 3 IoCs
pid Process 2412 explorti.exe 5044 explorti.exe 4568 explorti.exe - Identifies Wine through registry keys 2 TTPs 4 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine explorti.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe 2412 explorti.exe 5044 explorti.exe 4568 explorti.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorti.job 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorti.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe 2412 explorti.exe 2412 explorti.exe 5044 explorti.exe 5044 explorti.exe 4568 explorti.exe 4568 explorti.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2356 wrote to memory of 2412 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe 86 PID 2356 wrote to memory of 2412 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe 86 PID 2356 wrote to memory of 2412 2356 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe"C:\Users\Admin\AppData\Local\Temp\25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe"C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2412
-
-
C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exeC:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:5044
-
C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exeC:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\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:4568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\0d8f5eb8a7\explorti.exe
- Size 1.9MB
- SHA256 25b91c84d40e4adda4abd276f9baef0c9a77d2ebc3039040e002188e602619ae
- MD5 9fce1d6aee0e20bfcccefe185bad317a
- SHA1 ee4cbfff8a2829cfe8487a238f945b1411affc76
- SHA512 22c5f6e322f5b47501843b2e0e26de51aadbdbe012dfca005c73b1a003300ae1b2b0489298c8514c928bf9cd59fa146b2f944404ae619ebde231836d7acfd62f
- SSDEEP 49152:zci1PCJ3UmR2HqYaHVi2yN+fcHhTTAVcikbC:zci4LGba0oEhfAmikbC
- MD5 SHA1 SHA512 SSDEEP