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Analysis
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max time kernel
124s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16/02/2023, 21:37
Behavioral task
behavioral1
Sample
035297ba322832ac87f30b4e9fbb3d9c4c92b86de8ee99634568feb151466acc.xlsm
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
035297ba322832ac87f30b4e9fbb3d9c4c92b86de8ee99634568feb151466acc.xlsm
Resource
win10v2004-20220812-en
General
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Target
035297ba322832ac87f30b4e9fbb3d9c4c92b86de8ee99634568feb151466acc.xlsm
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Size
135KB
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MD5
d0d5eb49407d31ab65ae85e19d837b84
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SHA1
1c5e2efe0a6840539946726f1ec0f620346c86dd
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SHA256
035297ba322832ac87f30b4e9fbb3d9c4c92b86de8ee99634568feb151466acc
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SHA512
38edb96ae2a80528a4e84727561780809eb277bf5e4e977dfa61feaa6a7f950d4b5823560b5688a3a89c2d90d85e55e3ffd8fb6d96a1ed03a20c17bb7284f670
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SSDEEP
3072:xWBBppALiaOFa1E8qAaWQwsd7z1k9WqXrXcpr52uTMmL:wBBr5WE8q8QvdNr528R
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\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4956 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE 4956 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4956 wrote to memory of 2324 4956 EXCEL.EXE 91 PID 4956 wrote to memory of 2324 4956 EXCEL.EXE 91
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\035297ba322832ac87f30b4e9fbb3d9c4c92b86de8ee99634568feb151466acc.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2324
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4616