Analysis
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max time kernel
130s -
max time network
130s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
18-01-2022 17:09
Behavioral task
behavioral1
Sample
84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b.xlsm
Resource
win10-en-20211208
General
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Target
84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b.xlsm
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Size
99KB
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MD5
96cd295393a89366ed9cb8ed483db069
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SHA1
08215bf69bb4b7bffa6a74b12d5df0e1ee22251f
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SHA256
84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b
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SHA512
57dc0347d997997066b6ed04943863210654cd05720cf45540e512c0c3e6a0559f04b2fb875f5766638001df4e24bde82f45342dc64a8cd949aa0be8189e52aa
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 1336 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 1336 EXCEL.EXE 1336 EXCEL.EXE 1336 EXCEL.EXE 1336 EXCEL.EXE 1336 EXCEL.EXE 1336 EXCEL.EXE 1336 EXCEL.EXE 1336 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\84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b.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/1336-115-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-116-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-117-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-118-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-121-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-128-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmpFilesize
64KB
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memory/1336-129-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmpFilesize
64KB
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memory/1336-290-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-291-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-292-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB
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memory/1336-293-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmpFilesize
64KB