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Analysis
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max time kernel
106s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
21/10/2023, 18:53
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.NEASf4d8c1a30a7b5bcc8c486c0be1255b620da33af0bd491fe6bc28a1ae90300428xlsxxlsx_JC.xlam
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.NEASf4d8c1a30a7b5bcc8c486c0be1255b620da33af0bd491fe6bc28a1ae90300428xlsxxlsx_JC.xlam
Resource
win10v2004-20231020-en
General
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Target
NEAS.NEASf4d8c1a30a7b5bcc8c486c0be1255b620da33af0bd491fe6bc28a1ae90300428xlsxxlsx_JC.xlam
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Size
725KB
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MD5
7c8f10ca8113bde86cc98e6e08c2318c
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SHA1
6d985706cb5c210d944e07b24dffd9ae5d57927f
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SHA256
f4d8c1a30a7b5bcc8c486c0be1255b620da33af0bd491fe6bc28a1ae90300428
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SHA512
165f8514f9157c261b9ca06415e5aa5dc93187fe043eff828ae5f8118c213922b548645fead417edb1aef253dfb7cdffc001af103235ec7735a8709fe47c1e2a
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SSDEEP
12288:fcs34BfUcKYHk2g6hdeLBC74aSzU8CBSlizbbS1IK64GkBh7HgfPp2j:f8KYLs5zTCQqbbSy4dDSPpk
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 484 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 484 EXCEL.EXE 484 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 484 EXCEL.EXE 484 EXCEL.EXE 484 EXCEL.EXE 484 EXCEL.EXE 484 EXCEL.EXE 484 EXCEL.EXE 484 EXCEL.EXE 484 EXCEL.EXE -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\NEAS.NEASf4d8c1a30a7b5bcc8c486c0be1255b620da33af0bd491fe6bc28a1ae90300428xlsxxlsx_JC.xlam"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:484