Analysis
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max time kernel
101s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20230621-en -
resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2023, 07:41
Static task
static1
Behavioral task
behavioral1
Sample
Draft Debit Note.xls
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
Draft Debit Note.xls
Resource
win10v2004-20230621-en
General
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Target
Draft Debit Note.xls
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Size
210KB
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MD5
298388898d75e5835236e67daff4b268
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SHA1
72524f263efaa4ce9292cfe322c91ca2c4fab772
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SHA256
0735b83d37c906b52bb7831fcd072e67564defa2bf5b50abb6c371e13eeab909
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SHA512
0111f18c6fb61fb532b869714a34153e3a4867320897a3c35a5b24ac71eb83cffa37d6125e69f5642836c1fe4ebb14a2c9e567c5baa51435caf10d9b3e2a34aa
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SSDEEP
6144:eZ+RwPONXoRjDhIcp0fDlavx+W26nAbqvBHBi0pnRrk5jMnWltEgxS:Wvvi4rkKnWlOcS
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 4264 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4264 EXCEL.EXE 4264 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 EXCEL.EXE 4264 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\Draft Debit Note.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4264