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Analysis
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max time kernel
133s -
max time network
152s -
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, 21:57
Behavioral task
behavioral1
Sample
55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d.xls
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d.xls
Resource
win10v2004-20241007-en
General
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Target
55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d.xls
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Size
47KB
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MD5
8b34eab8511cdd95f3c244f88dc6f63c
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SHA1
b807eb50ef501d0d1548930eba9d656da9f7730a
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SHA256
55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d
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SHA512
dd13cebea40f5cadb470c4fe475b26c99b77b8ce4a1a5f373e6fa172730f16dd4c28faa89887fe490336a879c5b7d5cfe57b5d5b7df7cb6c3a9f8603e765e9d2
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SSDEEP
768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp5n:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8g1
Malware Config
Extracted
https://eleselektromekanik.com/69Iq5Pwbd0/s/
https://demo.icn.com.np/stories/Qk/
http://demo34.ckg.hk/service/Atk7RQfUV673M/
https://bitmovil.mx/css/TrgyPiTXy3/
http://dupot.cz/tvhost/DUnMUvwZOhQs/
http://focanainternet.com.br/erros/DepAK3p1Y/
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 1504 2316 regsvr32.exe 81 -
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 2316 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2316 EXCEL.EXE 2316 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE 2316 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2316 wrote to memory of 1504 2316 EXCEL.EXE 90 PID 2316 wrote to memory of 1504 2316 EXCEL.EXE 90
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\55515c1a89221b1acfb819ed867024dac74f4d4cd254e7a833fc02b84812b63d.xls"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:2316 -
C:\Windows\SYSTEM32\regsvr32.exeregsvr32.exe ..\wnrul.ocx2⤵
- Process spawned unexpected child process
PID:1504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5cc666088a917dd7f5da8b6689069aec0
SHA1f688de634ccd20939a522391abb5049483e726bd
SHA256332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405
SHA51277a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc