Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 22:45
Static task
static1
Behavioral task
behavioral1
Sample
9a1c3bc1e2f7de44167ed53f036c4d69.doc
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
9a1c3bc1e2f7de44167ed53f036c4d69.doc
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20231215-en
General
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Target
decrypted.xlsx
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Size
1.3MB
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MD5
6dd1ee39910f691e19cb8eff0c3f65dc
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SHA1
7c7256f5f46f65a4cb7fc83f9c46253530f394c0
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SHA256
fd36d0511051ab17f5375a138a49de30129ce58ecb659ed35a218e00b8d4490f
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SHA512
f57efeb365aea70d94028265a10ba37df55a400d6d918112db8860f6da3b8879f164509b5eefce73d53c2accafb31f083696cce4968ef89a26497452d05dd391
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SSDEEP
24576:guaEIJoa+HG3+WWi1lTEUdBq2p+zfR7Fzp31cs3tEEztnbCT:LaEta+mz71l4Udc0y7RpOs3t7tnm
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 1184 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1184 EXCEL.EXE 1184 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 EXCEL.EXE 1184 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 FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1184