Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
21-05-2022 18:12
Behavioral task
behavioral1
Sample
bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.xls
Resource
win10-20220414-en
General
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Target
bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.xls
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Size
73KB
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MD5
a4a59476e4b7f10f3551ad5f8e78e32a
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SHA1
b033140fb3b3ca0cc9782747b8fccdbed8e1076e
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SHA256
bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1
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SHA512
95fea99562de147e3bd826a0d9f8df244fd16d590850275f35e317689ba0fdd177d5171165a77f11d3c4cc4c12e1047e79b67dfae8e06393173d424eceb3ea10
Malware Config
Extracted
http://hullsite.com/0a61/nm6lxocqt/
https://bencevendeghaz.hu/wp-includes/cLrqBIwf8C/
https://ppiabanyuwangi.or.id/wp-admin/3Se7giNXt7ZCHG/
http://3dstudioa.com.br/cgi-bin/yWpon1Nd03l/
http://anat-bar.co.il/wp-admin/kZarrjJN148onRnRi/
http://claudioavelar.adv.br/Revista/JljahSR26i5k/
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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3904 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3904 EXCEL.EXE 3904 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 3904 EXCEL.EXE 3904 EXCEL.EXE 3904 EXCEL.EXE 3904 EXCEL.EXE 3904 EXCEL.EXE 3904 EXCEL.EXE 3904 EXCEL.EXE 3904 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\bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.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/3904-117-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-118-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-119-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-120-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-129-0x00007FF89CDE0000-0x00007FF89CDF0000-memory.dmpFilesize
64KB
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memory/3904-130-0x00007FF89CDE0000-0x00007FF89CDF0000-memory.dmpFilesize
64KB
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memory/3904-279-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-280-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-281-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB
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memory/3904-282-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmpFilesize
64KB