Analysis
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max time kernel
133s -
max time network
138s -
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 20:38
Behavioral task
behavioral1
Sample
3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff.xls
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff.xls
Resource
win10v2004-20241007-en
General
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Target
3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff.xls
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Size
47KB
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MD5
0b96bcfb5376095b15ee29633feae05b
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SHA1
94241c3bdc25b33d595ec38c2132be0ffc2d41a0
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SHA256
3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff
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SHA512
b6841d24ff52cde810babf185c929657b727e205270f157c9413a44d2646053827e3cdc9a8e000b8d011f53feddc021228383fd178007332d70c0a92eabadfa2
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SSDEEP
768:yDM52tfQXi8vgLZkTOHkQT51Vp6AwPdM8gQ6JOiX6DGwUk7qHDSEuRZjiBp5H:y62tfQXi8vgLZkTOHkQT51Vp6AwPe8gV
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 4512 4720 regsvr32.exe 83 -
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 4720 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4720 EXCEL.EXE 4720 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE 4720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4720 wrote to memory of 4512 4720 EXCEL.EXE 91 PID 4720 wrote to memory of 4512 4720 EXCEL.EXE 91
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\3b340212b863324ef8c0228aff6bcb6c008ce08160c31d02c3b18b362e4f0bff.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:4720 -
C:\Windows\SYSTEM32\regsvr32.exeregsvr32.exe ..\wnrul.ocx2⤵
- Process spawned unexpected child process
PID:4512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize677B
MD5a8871ecf1789f5d9dbda2838d0eec4fb
SHA1c3a245953879b5eb9c3d97e5785799228b5a45bd
SHA256e6bcc9c59f10debfae5ed05f051c5d9f9d312bd435695f57dfc8c56bdca03e51
SHA51267dbdc2abfb7a29f7c1cddba254bcbfdae79db97d4286cdac98ccc3aad9a2b5af700dd99d1ec24a4233fb8b60e3ba3072a5a19ca7ac87a4484ab180410f1e541
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Filesize
3KB
MD5cc666088a917dd7f5da8b6689069aec0
SHA1f688de634ccd20939a522391abb5049483e726bd
SHA256332d102987273318f13e7fc89a043613c6dd5dd7eb7d21033a2ab73dd438a405
SHA51277a15aebeb10d355e3723fdebd2ea59a09a60d54f09ab9a6f06c52dbfa3bea0965ff49b7a1c2e6f4ff94f3fe903e6301188de2f80801a8a978c8c09b3356c8dc