Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 09:46
Behavioral task
behavioral1
Sample
f61247a14f9018c6cacd0b5d7a93765060ef56e82b3c09c80ff94589d26e0a2e.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f61247a14f9018c6cacd0b5d7a93765060ef56e82b3c09c80ff94589d26e0a2e.xlsm
Resource
win10v2004-20241007-en
General
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Target
f61247a14f9018c6cacd0b5d7a93765060ef56e82b3c09c80ff94589d26e0a2e.xlsm
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Size
38KB
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MD5
91a77dfa34e838f37e1d1ac43ef884cf
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SHA1
327bca04e82e1fb826974a1d7c0c511c7b684554
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SHA256
f61247a14f9018c6cacd0b5d7a93765060ef56e82b3c09c80ff94589d26e0a2e
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SHA512
4c3f758e322c9af5f3e47fee20decfbc66eb6210fad2cebbac8903269794879184a3bd3af576c3f411332317b8d27d2a5683e052529327223e110f2c5d0580c4
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SSDEEP
768:ybdpCR8kjOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIyYS:SwDOZZ1ZYpoQ/pMAeVIyYzaT
Malware Config
Extracted
https://pianistprodigy.com/demolms/Ax6ZgvEJJ8HEKfXrp/
https://risamfg.com/wp-admin/JtqFQW/
https://thailand-rocco.com/wp-content/gE7UvFwLh/
https://pregy.org/test/rXTl1DEv0CWCE/
https://romusreselling.xyz/wordpress/Lgv7VKTvFFuBH8uct2Eq/
https://olawyer.net/wp-includes/e8jtEIL3lFkImOvd9k/
https://tebetdanelon.com.br/wp-content/iVrceXC3knlRRl/
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4864 3648 regsvr32.exe 81 -
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 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3648 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3648 EXCEL.EXE 3648 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE 3648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3648 wrote to memory of 4864 3648 EXCEL.EXE 94 PID 3648 wrote to memory of 4864 3648 EXCEL.EXE 94 PID 3648 wrote to memory of 4864 3648 EXCEL.EXE 94
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f61247a14f9018c6cacd0b5d7a93765060ef56e82b3c09c80ff94589d26e0a2e.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3648 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:4864
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