Analysis
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max time kernel
132s -
max time network
134s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
15-01-2022 01:26
Behavioral task
behavioral1
Sample
e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690.xlsm
Resource
win10-en-20211208
Behavioral task
behavioral2
Sample
e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690.xlsm
Resource
win10-en-20211208
General
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Target
e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690.xlsm
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Size
83KB
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MD5
8a33badcc1ed80af8d3ba0f02b85a8e7
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SHA1
a1374206e356e9ad4ae461511c76b543d969b6f0
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SHA256
e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690
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SHA512
f45ee0f0cdece0cace1e4ad150e2602f79b26ddbadec6b85c4f7085627abab4604e315174500eaea9c8cca09fbc04343636b5255515459de7fbb06706e55fc8e
Malware Config
Extracted
http://mail.emilyanncain.com/cgi-bin/A7NT3ENvn/
https://wordpress.baishuweb.com/wp-includes/10q0ice6/
http://monorailegypt.com/wp-admin/6uBf9CCfZRMh/
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 2240 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 2240 EXCEL.EXE 2240 EXCEL.EXE 2240 EXCEL.EXE 2240 EXCEL.EXE 2240 EXCEL.EXE 2240 EXCEL.EXE 2240 EXCEL.EXE 2240 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\e839313f28c2088224ab43e562fe1cbdfd9861122c4a80fdc9121cfff8d58690.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2240-115-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/2240-116-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/2240-117-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/2240-118-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/2240-119-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmpFilesize
64KB
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memory/2240-120-0x000001ADAE5C0000-0x000001ADAE5C2000-memory.dmpFilesize
8KB
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memory/2240-121-0x000001ADAE5C0000-0x000001ADAE5C2000-memory.dmpFilesize
8KB
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memory/2240-122-0x000001ADAE5C0000-0x000001ADAE5C2000-memory.dmpFilesize
8KB
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memory/2240-128-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmpFilesize
64KB
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memory/2240-129-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmpFilesize
64KB