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Analysis
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max time kernel
51s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11/01/2025, 11:05
Static task
static1
Behavioral task
behavioral1
Sample
9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe
Resource
win7-20240903-en
General
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Target
9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe
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Size
1.7MB
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MD5
1bf934f2f20f8ad6bd44365df231ccf0
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SHA1
22c168a1b712c66a865cae62cc049055574084ee
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SHA256
9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095
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SHA512
84e901e2e76676c7334b7a0ebaa77007fa76f9300acfcf91da902cc27048843262ed2a2598cee6ea05ca8d38e7388c07a24d2aaa81533a9343d2e09ed79367fe
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SSDEEP
49152:/oT2tslxfK1iIVawlZtAtsKF4mq+hAIJCqp:/SisXK1i4aUM2KF4mhA+C
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__ 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.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 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.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 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2212 2536 WerFault.exe 29 -
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 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.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 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2536 wrote to memory of 2212 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe 32 PID 2536 wrote to memory of 2212 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe 32 PID 2536 wrote to memory of 2212 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe 32 PID 2536 wrote to memory of 2212 2536 9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.exe"C:\Users\Admin\AppData\Local\Temp\9599af00ff7eeb226b07e57f6761559858eda9a768dec345a37d1f59f64aa095N.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
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 9202⤵
- Program crash
PID:2212
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