Analysis
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max time kernel
115s -
max time network
149s -
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 07:37
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order050822.xlsx
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
Purchase Order050822.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
-
Size
89KB
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MD5
06d7fa9dbace90c6e5fda2f8fecfd3a7
-
SHA1
6922f2341a2659363d7ddb2a10d4e7f001a36f7b
-
SHA256
cd25370a3f74a95d4b0e6409b314725744843676d084a904f7e9bc3555b69ed3
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SHA512
5e3997a8efbe6493ca2e8ecb134d33761d032d777ee1a8de02724326124a636ff3a02cfd590dd271b0c40fe7b7be112145bfb38723fa2b11083a38b9864ef0a6
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 4576 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 EXCEL.EXE 4576 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:4576