Analysis
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max time kernel
143s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 07:39
Static task
static1
Behavioral task
behavioral1
Sample
MV Acrux Amelia_Certificates.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
MV Acrux Amelia_Certificates.xlsx
Resource
win10v2004-20220721-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20220721-en
General
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Target
decrypted.xlsx
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Size
91KB
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MD5
337544cdfcc8dca63cc68e31ea883217
-
SHA1
6f354bb79930a1e289668f1ca0001e2077974073
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SHA256
bdaf3623dc5c8309518daea9339dfade587d75a21412dc0fbadb751a4a3e3d4d
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SHA512
880dc7d20d0bbd3ac98117460808284fecd2dc6656c38b9e8c08c6654b43e7c1af10a39a3b7d2ba27d751e5d46cfbd1d8e0578791403b94e33d1408c79ba4192
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 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
Processes:
EXCEL.EXEpid process 2092 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE 2092 EXCEL.EXE
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 SetWindowsHookEx
PID:2092