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Analysis
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max time kernel
91s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2024, 01:26
Static task
static1
Behavioral task
behavioral1
Sample
Z350220240_pdf .scr
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Z350220240_pdf .scr
Resource
win10v2004-20240802-en
General
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Target
Z350220240_pdf .scr
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Size
150KB
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MD5
7dd78025c77f709a9797931ab8e8ef60
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SHA1
37270e3cb0c178b87faa94e49fb7ea5240308fcf
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SHA256
4ec66e0954c7ab040cc9b65e4536a52265b4cd2888510f4d328d76007c0d0c91
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SHA512
3b52e28b13122ce5925eaae9f4c3ba62d10eb69ca2c3396be3ca13b99e785da9ac8d74ef92ecb387af8fa9601aa23effdbaae78e7c3c354c58a2a7849cc61ec7
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SSDEEP
1536:DCvNVVxOd2shk4yuMTXZJ4WjvwMJr7JntAzDOK9HkZYhSlLn9z:CzZJJbtJntAzL9EZYhOJ
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 452 created 3404 452 Z350220240_pdf .scr 56 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 452 set thread context of 3748 452 Z350220240_pdf .scr 94 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Z350220240_pdf .scr Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 452 Z350220240_pdf .scr 3748 InstallUtil.exe 3748 InstallUtil.exe 3748 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 452 Z350220240_pdf .scr Token: SeDebugPrivilege 452 Z350220240_pdf .scr Token: SeDebugPrivilege 3748 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94 PID 452 wrote to memory of 3748 452 Z350220240_pdf .scr 94
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3404
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C:\Users\Admin\AppData\Local\Temp\Z350220240_pdf .scr"C:\Users\Admin\AppData\Local\Temp\Z350220240_pdf .scr" /S2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3748
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