Analysis
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max time kernel
133s -
max time network
151s -
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, 13:03
Behavioral task
behavioral1
Sample
96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26.xlsm
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26.xlsm
Resource
win10v2004-20241007-en
General
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Target
96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26.xlsm
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Size
20KB
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MD5
e9d8a1f052e7c4e8fb3a6f22e5365e04
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SHA1
89a77b7a903f8733bd13966461fe4e271c6a2559
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SHA256
96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26
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SHA512
feca417ebe7b34465ff486953504e0077943be4f8d847a55415625499fa05839dcb8c862a64cc9162bf483af74fb616af6df11980277a8cb33c0bde93786e8a2
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SSDEEP
384:WKAVb1GNjYTo4CGzPd6ZIwL0AOKb5CzgObff9kC+xbX7jvIv:WKYINmo4FLyCBn9kC+xbLA
Malware Config
Extracted
https://www.manchesterslt.co.uk/a-to-z-of-slt/9wq2ESVcG/
http://festival.artdialog.ch/contact/RGhcwH4DRBM/
http://bramynapilota.com.pl/wp-admin/NHk/
http://brwconsultoria.com.br/img/Vl0i9o/
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 3968 544 regsvr32.exe 82 -
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 544 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 544 EXCEL.EXE 544 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE 544 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 544 wrote to memory of 3968 544 EXCEL.EXE 93 PID 544 wrote to memory of 3968 544 EXCEL.EXE 93 PID 544 wrote to memory of 3968 544 EXCEL.EXE 93
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\96c5484990f88c7e621c233eaeb85f13a4cbcecb160a46c6197fd2ebb524be26.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:544 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\kytk.dll2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:3968
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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
Filesize1KB
MD51a05f5d538727c725f0b8b1a4c78324e
SHA134bf5a84b143624644a844ae28ac00ed2d7915ee
SHA25675f86c2692bbdc5645ed747437f41d29a1dc039b295c42c5f0f8a4f474a670ff
SHA5127e82fe667456b5e814ac619fc3bed9e268a171547c2df4a0702ffb2840acdfd406ea7a011ab493f845ad6667b6d208c741ab9c73c4701a2ec677126a46096e4a
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Filesize
1KB
MD51326c16a18441423830933fbb3a6a290
SHA1d62b5f0ec9ae7a82209938c347311519b9fc1084
SHA2563bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf
SHA5122b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528