Analysis
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max time kernel
15s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 11:33
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20241010-en
General
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Target
file.exe
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Size
1.7MB
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MD5
efbcceeff7fbbe424508e4de00ad3ccd
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SHA1
33574ecf95f1ca351c97fa11c439b7679ae56ac6
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SHA256
59d0f4b4643ad0497f1d181024953aff948698a7e749da8cce46f1e86642ee08
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SHA512
154aad64a9cc25915986190df630b889fe41207d434831ff606f3212994bcac8235763d43c1be4d1bc98f1a712e27f6e06847a38b5c9ddc14780a587b9416e9c
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SSDEEP
24576:ENEpFHR2c8uU5PagNqNMLs7G27xKaPuIPAssGEriSBh/3HGfMgVpbC5Au9ykvDqO:Eqd8FNqNMLs7Jz/xEnh/ANC5V9t7hKI
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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine file.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
file.exepid process 392 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 1 IoCs
Processes:
file.exepid process 392 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:392