Analysis
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max time kernel
135s -
max time network
135s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 12:56
Behavioral task
behavioral1
Sample
c0dea966c1ef3760d6bd0bd050428a336dee656946c3b8e30470cb22994980dd.xlsm
Resource
win10-en-20211208
General
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Target
c0dea966c1ef3760d6bd0bd050428a336dee656946c3b8e30470cb22994980dd.xlsm
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Size
99KB
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MD5
af036b49b0012f82cac46cea6c6735c4
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SHA1
3e65237d088f845001a6affddd3acc74c37c9b91
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SHA256
c0dea966c1ef3760d6bd0bd050428a336dee656946c3b8e30470cb22994980dd
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SHA512
1a5090c646c27e4eaaf45a1eaf3ed4ea13825a330d79597212f819ab90ab5a414dbdb3968f6717c45d122aa21c454ca9366c9ec78743223c3a5d16a19fcf2065
Malware Config
Extracted
http://avionxpress.com/lp/T9b1Bga4FdDfP5HI/
http://news.tapchivietkieu.info/wordpress/CJzFM/
http://monosun.net/wp-includes/JcDnYBSKpyfU/
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 1412 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 1412 EXCEL.EXE 1412 EXCEL.EXE 1412 EXCEL.EXE 1412 EXCEL.EXE 1412 EXCEL.EXE 1412 EXCEL.EXE 1412 EXCEL.EXE 1412 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\c0dea966c1ef3760d6bd0bd050428a336dee656946c3b8e30470cb22994980dd.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/1412-115-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-116-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-117-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-118-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-119-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-128-0x00007FF8C4EA0000-0x00007FF8C4EB0000-memory.dmpFilesize
64KB
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memory/1412-129-0x00007FF8C4EA0000-0x00007FF8C4EB0000-memory.dmpFilesize
64KB
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memory/1412-288-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-289-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-290-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB
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memory/1412-291-0x00007FF8C87C0000-0x00007FF8C87D0000-memory.dmpFilesize
64KB