Analysis
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max time kernel
109s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21-09-2022 07:35
Static task
static1
Behavioral task
behavioral1
Sample
478b8ab875945852f0d6172f99f9d815e74536196c4f155fafda4eb7e32e78f2.xlsm
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
478b8ab875945852f0d6172f99f9d815e74536196c4f155fafda4eb7e32e78f2.xlsm
Resource
win10v2004-20220812-en
General
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Target
478b8ab875945852f0d6172f99f9d815e74536196c4f155fafda4eb7e32e78f2.xlsm
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Size
1.9MB
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MD5
157cd69f8a08b3c2fd9008451f88fd1d
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SHA1
c9a7359fafa6da6d7795860003d52b23d923f8e5
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SHA256
478b8ab875945852f0d6172f99f9d815e74536196c4f155fafda4eb7e32e78f2
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SHA512
729c23592eb3a8ddbf272e420246389ddaf4cb8e125536f4b835f34ef91f5f6a81e8aadd207c646dc8947437a35c76fa6fc2b731a3a91bcb0caff010a12722e8
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SSDEEP
49152:7u8jnUZKvHbbbbbcgWs370dj2K8z3nftR3IgggggRpFLm/U1G4S6:7nlMZ8z3nftR3IgggggBLSUc4/
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 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
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 3320 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3320 wrote to memory of 4648 3320 EXCEL.EXE 86 PID 3320 wrote to memory of 4648 3320 EXCEL.EXE 86
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\478b8ab875945852f0d6172f99f9d815e74536196c4f155fafda4eb7e32e78f2.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3320 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4648
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:204