Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10_x64 -
resource
win10-20220331-en -
submitted
30-03-2022 18:06
Behavioral task
behavioral1
Sample
21cd95fb4f71525407b37a901590819a18d24ca48bd6b8f7170ff423e780dd4b.xls
Resource
win10-20220331-en
General
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Target
21cd95fb4f71525407b37a901590819a18d24ca48bd6b8f7170ff423e780dd4b.xls
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Size
106KB
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MD5
363e410baecdaa6ca488170ce8c5c9e2
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SHA1
7654990566a8779110c4e67daad7ad6b0ddefc80
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SHA256
21cd95fb4f71525407b37a901590819a18d24ca48bd6b8f7170ff423e780dd4b
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SHA512
0a29e2e15db433126fa2b7cb6a2fb1051809b7a70fdf6d2409d02a065934d2f08e741eef1aa735f1ef656258061f76bca2fe53993388ab2f6128ccc92798d050
Malware Config
Extracted
https://www.gessersh.com/wp-includes/ZwQLepW/
http://www.garantihaliyikama.com/wp-admin/FjgB6I/
https://www.fantasticmotion.jp/_cnskin/qfWEQrrwBg/
http://dmcontabilidade.com/correspondentecaixa/TrS/
https://fcelik.nl/rittenregistratie/web/css/B3ILfU8Xk2SsEmT/
http://fanfield.co.uk/cgi-bin/7pp6DjWFNJXY8/
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 1860 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 1860 EXCEL.EXE 1860 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 1860 EXCEL.EXE 1860 EXCEL.EXE 1860 EXCEL.EXE 1860 EXCEL.EXE 1860 EXCEL.EXE 1860 EXCEL.EXE 1860 EXCEL.EXE 1860 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\21cd95fb4f71525407b37a901590819a18d24ca48bd6b8f7170ff423e780dd4b.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1860