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
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Size
114KB
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MD5
b2d90c82aa0ed6b4718107131b00a127
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SHA1
85fd0bbc43312e000231bcc0753fab3931878781
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SHA256
a3237c24e542efe70c01c2b628d050e38b5ea63dce784e30533ea8fd1cd4d492
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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.
description 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
description 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
pid Process 636 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid 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
PID:636