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Analysis
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max time kernel
149s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2022, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
attachment20220906-6909-1kso63x.xlsx
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
attachment20220906-6909-1kso63x.xlsx
Resource
win10v2004-20220812-en
General
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Target
attachment20220906-6909-1kso63x.xlsx
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Size
1.9MB
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MD5
cc8bf7a71f992538ab23c5ba02feb427
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SHA1
e636bd38f31e3a099a4d061b057b47493a564fc3
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SHA256
150833cd72f0ecdc75ee9e303dfb8174c38230de082b928aeb8c9261bda936be
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SHA512
6ddbcb08c9f35b4d07dbeb1e78a6a102f329430147e32180b925235b620e0cd2b0bedafb48df8e00956c61b5edb028f4fa66bc31dddbb5e099b3518e64ff6a53
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SSDEEP
49152:e+SRq8Lmhm+ZzvaU0dqahudS+WP1JuLlGgU:ebxktBeUahh+41JKsgU
Malware Config
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 5036 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 EXCEL.EXE 5036 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\attachment20220906-6909-1kso63x.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5036