Analysis
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max time kernel
102s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2023 16:47
Static task
static1
Behavioral task
behavioral1
Sample
Factura_64553903892.xlam
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Factura_64553903892.xlam
Resource
win10v2004-20231130-en
General
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Target
Factura_64553903892.xlam
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Size
641KB
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MD5
364ae23aab13687dc1301dd81a8cb340
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SHA1
1008687b5fe1a46ca6fdf99ccf98d7d51bd965a7
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SHA256
a7e60f65edbfcc63e2581cf2983a2be6c4781956f95e0163e4fde80d27c6e208
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SHA512
e3e279696fdf3c4ed88ba3f82ed22bb1fdace16ee8bd949ba94320f4b29d5a3936e8b4c863577e67d9c8b7e8f98b3a5c566bb3378e32c906e10991902d4521e2
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SSDEEP
12288:wsRn+q2f6MnSUfMFohKEnW/Ac9/IprJUwL52Td9nygNIMVmDuB/gjw6Oput/Ys:/R+jf665MF5qW4ySr2ingNxVmrwpputH
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 3520 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 3520 EXCEL.EXE 3520 EXCEL.EXE 3520 EXCEL.EXE 3520 EXCEL.EXE 3520 EXCEL.EXE 3520 EXCEL.EXE 3520 EXCEL.EXE 3520 EXCEL.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\Factura_64553903892.xlam"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3520