Analysis
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max time kernel
136s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 01:27
Static task
static1
Behavioral task
behavioral1
Sample
4d97a5069b154b2e95af235dd32c82c1bf5b2e4cf2d188067da223f488ebaa48.xls
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4d97a5069b154b2e95af235dd32c82c1bf5b2e4cf2d188067da223f488ebaa48.xls
Resource
win10v2004-20240508-en
General
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Target
4d97a5069b154b2e95af235dd32c82c1bf5b2e4cf2d188067da223f488ebaa48.xls
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Size
307KB
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MD5
8f82df8963d12e63c11d24991271c888
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SHA1
205aa52dc1b466bb0ff5f5976288aa84e02b94e7
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SHA256
4d97a5069b154b2e95af235dd32c82c1bf5b2e4cf2d188067da223f488ebaa48
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SHA512
73f45a89f02b32afef07268529b74d6d81b654de77000c7d36162c0c88574f0d185114ab243580f4b88f170d5adb366f94076683293d4cb28ae9bebb42f1759a
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SSDEEP
6144:70W8l06JYtpMV08kQMJ8ZNlamLmjxCIl/cyh5qkO9e4525OL:oW8l/qtKVMJslPLynl/cydCep5O
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.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 3316 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3316 EXCEL.EXE 3316 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 EXCEL.EXE 3316 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\4d97a5069b154b2e95af235dd32c82c1bf5b2e4cf2d188067da223f488ebaa48.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3316