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Analysis
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max time kernel
142s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2023, 07:52
Static task
static1
Behavioral task
behavioral1
Sample
MV SEA CALYPSO.xls
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
MV SEA CALYPSO.xls
Resource
win10v2004-20230915-en
General
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Target
MV SEA CALYPSO.xls
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Size
1.1MB
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MD5
8b4e0b87572717cfd3f2ae76df8bb81c
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SHA1
40ffb77814149ac091e855d05efa3ae0c1193158
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SHA256
e27d7f51f333c66888b58f1baf06c3055787212fd0ff90b2a52de6e221ee4a7c
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SHA512
d8449da9d9eda3dd7c2fe8d2587bd7de9c36683f57b630eba06085842874cbad22e1a7f0d82479a65530e18408de159464a8a23cdc844d2ca5d93cbdb604a4bc
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SSDEEP
24576:FWQmmav30xSZy6w6VH6NXFZyLw6V56NHsz5vVQcTAZeiyfSwIN:EQmmQ306+6Va1P6VgaVVrTgyqD
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\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1652 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1652 EXCEL.EXE 1652 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 EXCEL.EXE 1652 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\MV SEA CALYPSO.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1652
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5a01b9617553432807b9b58025b338d97
SHA1439bdcc450408b9735b2428c2d53d2e6977fa58c
SHA2567a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce
SHA512312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee
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Filesize
12.7MB
MD52ed40ac4115e14902661c1c56cc56c5e
SHA14e6857bb5489221916ebad17ad6dca0963cd62f8
SHA256b3de17d3715af011dae177ee5627adb40a58dd978e8418f8c8eeeda79f095de4
SHA5128e514d9cf45932dce5db64bb16944fef673e73d7ff32feea0515c343cbfc538d591767505bacd45bd695c1c555efe68dc374508a2f7197a079bb264f932d2b36