Analysis
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max time kernel
129s -
max time network
129s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 12:48
Behavioral task
behavioral1
Sample
e9c18b8a871de1f84aa55e88b7962bfb978211ba79ca104831b25cba11312a93.xlsm
Resource
win10-en-20211208
General
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Target
e9c18b8a871de1f84aa55e88b7962bfb978211ba79ca104831b25cba11312a93.xlsm
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Size
99KB
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MD5
1920737efea720db8e87e065eafe25b6
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SHA1
cd707519d84bb0737a4ef806cae506f642fc73d0
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SHA256
e9c18b8a871de1f84aa55e88b7962bfb978211ba79ca104831b25cba11312a93
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SHA512
21a9e2a13f6d1b28633b1b59803d203e65131f0ad839a036d268f542afbf8ecc2efa7061795ece02aee62e096f1432505e9e114168026e735ee9a7a33c8067a0
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 3608 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 EXCEL.EXE 3608 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\e9c18b8a871de1f84aa55e88b7962bfb978211ba79ca104831b25cba11312a93.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
Loading Replay Monitor...
Downloads
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memory/3608-115-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-116-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-117-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-118-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-123-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-128-0x00007FF832AF0000-0x00007FF832B00000-memory.dmpFilesize
64KB
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memory/3608-129-0x00007FF832AF0000-0x00007FF832B00000-memory.dmpFilesize
64KB
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memory/3608-276-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-277-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-278-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB
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memory/3608-279-0x00007FF836310000-0x00007FF836320000-memory.dmpFilesize
64KB