Analysis
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max time kernel
92s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 12:26
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240708-en
General
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Target
file.exe
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Size
1.7MB
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MD5
d1f75fb0b0afd1ea41c2dccd9c3d2427
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SHA1
6fdb92b4b415d69584ea1844ec2eed9f068f9640
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SHA256
3eee56925a00f1e0162ec92e9e2cb827a2977a229aa8e6e303d24849ae6d6469
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SHA512
0cdac8c2b9508edc06b27065b692d2268fa62949cb7813ae36f168f1ac7bd88c6cae3e2e121e42aec064681ffe387ab9757285c45b0008f19f8c0b5d9047eea4
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SSDEEP
49152:z5aFRvsfImgaY2RKIZE1dW5e00M8IfhF:z5aMfIm1+wE+52Mj
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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine file.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
file.exepid process 3508 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 3508 file.exe 3508 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:3508