Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2024 11:53
Static task
static1
General
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Target
file.exe
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Size
1.7MB
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MD5
a6a5206fd22c5bef02eabdf3152414e3
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SHA1
97cdb21c7343613cb4e7b20291fa50d36682d451
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SHA256
1e55248aeae25b8281871f9771133ee30b88b32e8c44f6ce0e3ac1ca0214da9b
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SHA512
2911bc1f5737bab4221e4a51f7269b3a91e0d5ab1135fc2128df08b9f6caff329b91e38e5ae75471f55664f87b46a977654108b2dc17db8078aadd9c0ab7ef47
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SSDEEP
49152:xKh2xSJVBAPuiOyMdUeIPJHNU5Z1+tMuuUWIW:xKbYPuiOTdUeKJtUf1+PuU
Malware Config
Extracted
stealc
mars
http://185.215.113.206
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url_path
/c4becf79229cb002.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
Processes:
file.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ file.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion file.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.
Processes:
file.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine file.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
file.exepid Process 216 file.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
file.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
file.exepid Process 216 file.exe 216 file.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:216