Analysis
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max time kernel
95s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-11-2024 03:55
Static task
static1
Behavioral task
behavioral1
Sample
50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe
Resource
win7-20240903-en
General
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Target
50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe
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Size
2.1MB
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MD5
1493f45533a0c14a6dcf059001d3f25b
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SHA1
956511982ebdfeffc6344ea5e67351d7eabca03c
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SHA256
50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88
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SHA512
380e8521d7a381af448ff2c2d49ea14e5a341e8f570cca11ec11a794f9e9d976c9d1887cfce1f24eb0821a6d88c8c133061cc76c482b9e7b751e781b9d5ad449
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SSDEEP
49152:5tzmpUdOELfEDYN3vyMk0F2hflszC115ftG27:5tz9MDYN/M0F2hd4UT
Malware Config
Extracted
stealc
tale
http://185.215.113.206
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url_path
/6c4adf523b719729.php
Signatures
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Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Loads dropped DLL 1 IoCs
pid Process 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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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 1 IoCs
pid Process 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1536 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 744 wrote to memory of 1788 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe 86 PID 744 wrote to memory of 1788 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe 86 PID 744 wrote to memory of 1788 744 50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe 86 PID 1788 wrote to memory of 1536 1788 cmd.exe 88 PID 1788 wrote to memory of 1536 1788 cmd.exe 88 PID 1788 wrote to memory of 1536 1788 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe"C:\Users\Admin\AppData\Local\Temp\50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.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
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:744 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\50f63490ab3bc1756781b88ad152d85fc748bb7a241e57ab1f93e3a9c16e6b88.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
676KB
MD5eda18948a989176f4eebb175ce806255
SHA1ff22a3d5f5fb705137f233c36622c79eab995897
SHA25681a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
SHA512160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85