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Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/01/2025, 07:31
Static task
static1
Behavioral task
behavioral1
Sample
44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe
Resource
win10v2004-20241007-en
General
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Target
44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe
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Size
1.8MB
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MD5
f07885b5720798735df239ba96a9788e
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SHA1
eb9a21552b61d4be8dad2928945d72afa23e9262
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SHA256
44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883
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SHA512
d35e191e3425932a98f31f8ad191cc40865ced4ae486bb0fa0553afeca091837410bcdc6b8d0d744fb1ef639666f81464813134c56ce24cbfd441462adb4bf04
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SSDEEP
49152:2wBA0FOqe0cDhapYdwdKXcurXEJIG5rgzIgt6At:NAsz2aZdKXcyXEJlkIort
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__ 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.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 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.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 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.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 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2668 1720 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 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.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 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1720 wrote to memory of 2668 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe 32 PID 1720 wrote to memory of 2668 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe 32 PID 1720 wrote to memory of 2668 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe 32 PID 1720 wrote to memory of 2668 1720 44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.exe"C:\Users\Admin\AppData\Local\Temp\44c75b1c40dcc3acd0736908489e2ea02b93f5dba11fb1fb7847ad4d62b56883.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:1720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 9242⤵
- Program crash
PID:2668
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