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Analysis
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max time kernel
101s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
24/02/2024, 21:52
Static task
static1
Behavioral task
behavioral1
Sample
a2d3d2e36c8715c731dce67be0095659.doc
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a2d3d2e36c8715c731dce67be0095659.doc
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20240221-en
General
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Target
decrypted.xlsx
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Size
1.2MB
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MD5
f98f506d3d1ce78e9c7bf724bc0b78b4
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SHA1
6127c115546a8feef02533bd81c716573b682d61
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SHA256
b8a09ddff40e1905e4af3fc5c7a43240ad47f6ff64e7537e740fca5822a51fa2
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SHA512
09b65ba230f4cb4f788c2e19bb98244103e4429717a348a813c94147098398b028e60b8fc384b925ff2f37f066edb7b2ac4327ded776affd94517afb763d60f0
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SSDEEP
24576:V3GG/nA9a8qCfC7nYYLfcGRXezh6euFJX8mY+nbyF:EonAHCj/LEGx8weunRny
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 772 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 EXCEL.EXE 772 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\decrypted.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:772