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Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/06/2023, 07:36
Behavioral task
behavioral1
Sample
5611d86c7c8dc065aa831d18491247e34456e6e846c08526e9c51942b556a653.pdf
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
5611d86c7c8dc065aa831d18491247e34456e6e846c08526e9c51942b556a653.pdf
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
has been verified. However PDF, Jpeg, Docx, .xlsx
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
has been verified. However PDF, Jpeg, Docx, .xlsx
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
decrypted.xlsx
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
decrypted.xlsx
Resource
win10v2004-20230220-en
General
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Target
decrypted.xlsx
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Size
45KB
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MD5
1a451fbdca0d5503a7c0a8a0ee7699bf
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SHA1
dae808084793e863fe0e9925de4893d563d96ca0
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SHA256
2abb6facfcfadd0a60cb35cd704db061b851e39cfaed203192e18da5f99974b1
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SHA512
2b33425dd17a86e356ab1c93ee1f406fde4faac49aee2bcc18df63014848d99c1296324bb63faf23866cb22833c76f6ebfbd4759f17673c1eac5b831bb5a4b18
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SSDEEP
768:8ZTTBPKC/7EWZ2OgYAMTpg2Z6Jiv4OFsTyywY508zIOpTw8cCQn:cTFdZgYA+HZ6Av4OFsTyTY5RzjpTVc1
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\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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 3456 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3456 EXCEL.EXE 3456 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 EXCEL.EXE 3456 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:3456