Analysis
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max time kernel
133s -
max time network
143s -
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, 14:32
Behavioral task
behavioral1
Sample
8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b.xlsm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b.xlsm
Resource
win10v2004-20241007-en
General
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Target
8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b.xlsm
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Size
38KB
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MD5
f8dff00ed342355fd721ebc98b6cd472
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SHA1
e183fb15cab8737753ba958724438ff043307036
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SHA256
8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b
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SHA512
0a412328cf6161e79b0e28672f84fc8f4c9285a7a62f7a9a90114da6b7b17c43f0059bd65e418721b6b8f36c9aad6a8cc97afc24da8d74e3c5b1737ee11850dc
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SSDEEP
768:2dUCR8xZ5jOZpqcVbZYpoRuBlIiOKMArOooooooooooooooooooooooooooFVIy5:e5wXOZZ1ZYpoQ/pMAeVIyMId
Malware Config
Extracted
https://ausnz.net/2010wc/RhAYVPNypjphNNk6J/
https://belisip.net/libs/Swift-5.1.0/F5XU7EuPePQ/
https://blog.centerking.top/wp-includes/WEIuPafz0bS/
https://edu-media.cn/wp-admin/TOu/
https://ppiabanyuwangi.or.id/lulu-1937/daURDNUyso/
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 3300 3544 regsvr32.exe 83 -
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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3544 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3544 EXCEL.EXE 3544 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE 3544 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3544 wrote to memory of 3300 3544 EXCEL.EXE 94 PID 3544 wrote to memory of 3300 3544 EXCEL.EXE 94 PID 3544 wrote to memory of 3300 3544 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\8befd22bffa7da5e343d8429fe14632201a39f03d319bfcab87ba7bbb347343b.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:3544 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx2⤵
- Process spawned unexpected child process
- System Location Discovery: System Language Discovery
PID:3300
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5B
MD55bfa51f3a417b98e7443eca90fc94703
SHA18c015d80b8a23f780bdd215dc842b0f5551f63bd
SHA256bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
SHA5124cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
Filesize1KB
MD50a526ecc85b2c0dfe02b2699a79180d0
SHA189b9b6814f04834c767aad4392be985480242472
SHA2563a8a6146e16ea08509690f18622cd370e0da19099bf6d702a944506fdb2847fa
SHA51284824ebcd5b552a630a68b200618a8451caa70a7334b08a1db2460faa98e65c93a454a530eb1c94c1e05fe7e212584e6c354ecd686edb62b2e06f71b94bbd3ad
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Filesize
1KB
MD51326c16a18441423830933fbb3a6a290
SHA1d62b5f0ec9ae7a82209938c347311519b9fc1084
SHA2563bb40456027c77d05b991e4686f10e51739a6ebdca3e33ec5edcd1e2c28b34cf
SHA5122b9076d43ccc836c89bcd4cc1946008b1d0268edf432d37659960f4ffb9836ca65e638b61305f374ba71b2fa21ac3210482c0e6287288e75bcd44d4fbeb3e528