Analysis
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max time kernel
132s -
max time network
145s -
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
presupuesto urgente.xlsx
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
presupuesto urgente.xlsx
Resource
win10v2004-20220721-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20220715-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20220721-en
General
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Target
decrypted.xlsx
-
Size
91KB
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MD5
e9e3121303fe0726f924bc3f91007d75
-
SHA1
a61bb5641e4792803d9738cdfb42980cf0bb9a37
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SHA256
222156dba6d7196b8a1793573a16f9783c7b6de4d397e9680c9d2a81b940fe38
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SHA512
4443f49d96205659d76e363568af28e1ed069fa722b0cd20c49f8bdd68df0bc37efe23f314af6c947e263b8375a6f4e7c36073721852af1efc5a05051aa73af3
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 3384 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 EXCEL.EXE 3384 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:3384