Analysis
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max time kernel
118s -
max time network
162s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
31-08-2021 05:10
Behavioral task
behavioral1
Sample
a3237c24e542efe70c01c2b628d050e38b5ea63dce784e30533ea8fd1cd4d492.xlsm
Resource
win7v20210408
Behavioral task
behavioral2
Sample
a3237c24e542efe70c01c2b628d050e38b5ea63dce784e30533ea8fd1cd4d492.xlsm
Resource
win10v20210408
General
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Target
a3237c24e542efe70c01c2b628d050e38b5ea63dce784e30533ea8fd1cd4d492.xlsm
-
Size
114KB
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MD5
b2d90c82aa0ed6b4718107131b00a127
-
SHA1
85fd0bbc43312e000231bcc0753fab3931878781
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SHA256
a3237c24e542efe70c01c2b628d050e38b5ea63dce784e30533ea8fd1cd4d492
-
SHA512
369d1b0378b31a002a077c24b73c670dd6480d8fb4c353d97f7b0816834e37bfe29c1c5608701821ffe26cadc182e80037fc1b2003dc50e20e86d4d324bb275b
Malware Config
Extracted
http://185.183.99.115/44313,6048108796.dat
http://51.89.73.159/44313,6048108796.dat
http://190.14.37.38/44313,6048108796.dat
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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 636 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 EXCEL.EXE 636 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\a3237c24e542efe70c01c2b628d050e38b5ea63dce784e30533ea8fd1cd4d492.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/636-114-0x00007FF718240000-0x00007FF71B7F6000-memory.dmpFilesize
53.7MB
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memory/636-115-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-116-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-117-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-118-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-119-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-122-0x00007FF8CD7B0000-0x00007FF8CE89E000-memory.dmpFilesize
16.9MB
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memory/636-123-0x00007FF8CB8B0000-0x00007FF8CD7A5000-memory.dmpFilesize
31.0MB
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memory/636-269-0x000001873B9D0000-0x000001873B9D4000-memory.dmpFilesize
16KB
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memory/636-302-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-303-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-304-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB
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memory/636-305-0x00007FF8ACF90000-0x00007FF8ACFA0000-memory.dmpFilesize
64KB