Analysis
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max time kernel
61s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02-04-2023 22:45
Behavioral task
behavioral1
Sample
bip.poznan.pl_public_bip_attachments.att_co=show&&id=6335&instance=1044&lang=pl.xls
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
bip.poznan.pl_public_bip_attachments.att_co=show&&id=6335&instance=1044&lang=pl.xls
Resource
win10v2004-20230220-en
General
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Target
bip.poznan.pl_public_bip_attachments.att_co=show&&id=6335&instance=1044&lang=pl.xls
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Size
612KB
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MD5
af32838cf4f2032d0fe0bd13a1920dc1
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SHA1
aa6a94fef05db85b876636e82703fea8960e1d52
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SHA256
dd09cf89a66d0420bf0eefd361a37cb11cecd8b181f8c7598db3f4a3ed5c0a01
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SHA512
c966759bd1151072614dc074bd015c114e36a42b4e98ff1995593a7bd03383f24c92fdcc166f1a1d355c5e2ae3bad73c3db9c8fedf7586a4ebd1055b8e7513ce
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SSDEEP
12288:Ma4RWKfJ84VUoiA7B4VWEH1y4HDjeBHua:yhGa4VWEH1y4HDj7a
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4864 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4864 EXCEL.EXE 4864 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE 4864 EXCEL.EXE
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\bip.poznan.pl_public_bip_attachments.att_co=show&&id=6335&instance=1044&lang=pl.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4864-133-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-135-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-134-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-136-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-137-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-138-0x00007FFD7A960000-0x00007FFD7A970000-memory.dmpFilesize
64KB
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memory/4864-139-0x00007FFD7A960000-0x00007FFD7A970000-memory.dmpFilesize
64KB
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memory/4864-171-0x000001D9C7550000-0x000001D9C7750000-memory.dmpFilesize
2.0MB
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memory/4864-196-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-197-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-198-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB
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memory/4864-199-0x00007FFD7D130000-0x00007FFD7D140000-memory.dmpFilesize
64KB