Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 12:22
Static task
static1
Behavioral task
behavioral1
Sample
3aa8d06147fc7fac1d793be4821bc32217f6433fd5e28f16d9ab4922498a099f.xlsx
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3aa8d06147fc7fac1d793be4821bc32217f6433fd5e28f16d9ab4922498a099f.xlsx
Resource
win10v2004-20240412-en
General
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Target
3aa8d06147fc7fac1d793be4821bc32217f6433fd5e28f16d9ab4922498a099f.xlsx
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Size
1.0MB
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MD5
23e118f7b50ccf19efd6768182abe09a
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SHA1
ec435de2e6a41f4316534fe654cc2b59110471f0
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SHA256
3aa8d06147fc7fac1d793be4821bc32217f6433fd5e28f16d9ab4922498a099f
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SHA512
e6510d8093b2b04fcabbf46b14d13dda9318f1aa33969cec05804d6bb25ef59fe79c02938517e8106238049017c2343249743a68dff26b177d884dbe94acbca7
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SSDEEP
24576:CaTrrF6gtbXFYR3CSLMsy3SsoJ37tFZj698MW2:CQrx6CrFYxCwN37tF08MW2
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 4452 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4452 EXCEL.EXE 4452 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 EXCEL.EXE 4452 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\3aa8d06147fc7fac1d793be4821bc32217f6433fd5e28f16d9ab4922498a099f.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4452