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Analysis
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max time kernel
169s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 04:41
Static task
static1
Behavioral task
behavioral1
Sample
05ba25a02dacce0d5516e22623156649.doc
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
05ba25a02dacce0d5516e22623156649.doc
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20231215-en
General
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Target
decrypted.xlsx
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Size
1.2MB
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MD5
002f76930c02b4554ca43af80e622b23
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SHA1
eba668dc88d0d0b5113921cbae967729bb550720
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SHA256
68ff3540e0d1ba09c0d40e038987afe8ce0d246692756a0e96d3b585bb38b913
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SHA512
f4721b882a213f7a5cecded8eb97c2bd89742a1be65fffee5e60dd28606c18089d45549e7298b14bbb574a9132eafc973e90363d6edffbd680bac2ea66a62de0
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SSDEEP
24576:eMKNTDtsYvdXXXXXXXXXXXXUXXXXXXXXXXXXXXXX4sW2yljYAMU0vjCSGP3frlsk:YTxDz2ylj8jCbP3BsPWAenD
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 1496 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1496 EXCEL.EXE 1496 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 EXCEL.EXE 1496 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:1496