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Analysis
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max time kernel
94s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2025, 20:30
Static task
static1
Behavioral task
behavioral1
Sample
4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe
Resource
win10v2004-20241007-en
General
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Target
4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe
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Size
1.7MB
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MD5
edca42a9f74cae55140da663565621ba
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SHA1
2c8766c239190ce64d9604b4cb818c4dcad82825
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SHA256
4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9
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SHA512
e6bb95cf1fdc0abb89b2ac9d8016d1b2ab5f2fd3fa5ffdb230b94055bd6c7ae25af4329670c90de5112f9cdf9bf22638a7681963472b2e9dd56c675a758cc0ae
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SSDEEP
24576:O+iHPqaXVzwayibhgqHsamc/DcUAK4na0rAqlORhqbvcT9MnLMtmjSiph:R+PqaFyibBMaDcUIa0LoiYT9MLr
Malware Config
Extracted
stealc
brat
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
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.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 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe -
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 4928 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4480 4928 WerFault.exe 82 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.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 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4928 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe 4928 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe 4928 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe 4928 4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.exe"C:\Users\Admin\AppData\Local\Temp\4f2c5552fc7799fe28d5cc6712d4c5b5e4723f9f00204a389299aac6643119b9.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4928 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 14882⤵
- Program crash
PID:4480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4928 -ip 49281⤵PID:4456