Analysis
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max time kernel
144s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:21
Behavioral task
behavioral1
Sample
3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12.xls
Resource
win10-20220812-en
General
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Target
3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12.xls
-
Size
91KB
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MD5
d7dc46b49b17c4e85bc566020abb8eb1
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SHA1
e9b98670ac9869042464227d08bc0226c521a5b2
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SHA256
3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12
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SHA512
6041dda6302160f98651cbaecdcdaa665c1008098491a8c7108913faafc7757f9d46828933389e23507ef9d11d40876884f33abb51b303afbcb07bc6f9c9dd73
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SSDEEP
1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO
Malware Config
Extracted
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
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 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
pid Process 2656 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2656 EXCEL.EXE 2656 EXCEL.EXE 2656 EXCEL.EXE 2656 EXCEL.EXE 2656 EXCEL.EXE 2656 EXCEL.EXE 2656 EXCEL.EXE 2656 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\3bbc1d4f80cb62fe5c33fe71f323d8cc50920ae75cbc05e18c3ce4d210c28f12.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2656