Analysis
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max time kernel
101s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
22-05-2022 05:30
Behavioral task
behavioral1
Sample
?i=1ydgiwcrs.xlsm
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
?i=1ydgiwcrs.xlsm
Resource
win10v2004-20220414-en
General
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Target
?i=1ydgiwcrs.xlsm
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Size
84KB
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MD5
92fcad2ae760b160b5a7d239afa4cc49
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SHA1
ff853bd7c88b967f39ac30c5146070562aecdc2c
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SHA256
8f99cab09eb9674d602d903701978b39bbe6bf9eb123a358837b44e4076a5e86
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SHA512
da562099ce4ab8e0956312730c997ce84254b21c77ed19c0112783f3ab6f55ab1ee2a7fb3345e36bded663c6ef080b0cf281f13ed954c818136832ff03ad26ae
Malware Config
Extracted
http://insertcatherreview.xyz/wp-includes/o23k5ted/
https://mewb.org/wp-admin/2fcpQyzanzkiO1/
http://easybuy22.xyz/wp-includes/css/zdFH32O6JV6lk3/
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2128 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
EXCEL.EXEpid process 2128 EXCEL.EXE 2128 EXCEL.EXE 2128 EXCEL.EXE 2128 EXCEL.EXE 2128 EXCEL.EXE 2128 EXCEL.EXE 2128 EXCEL.EXE 2128 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\_i=1ydgiwcrs.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2128