Analysis
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max time kernel
155s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220722-en -
resource tags
arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system -
submitted
06-08-2022 07:38
Static task
static1
Behavioral task
behavioral1
Sample
PO-220804.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
PO-220804.xlsx
Resource
win10v2004-20220721-en
Behavioral task
behavioral3
Sample
decrypted.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral4
Sample
decrypted.xlsx
Resource
win10v2004-20220722-en
General
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Target
decrypted.xlsx
-
Size
89KB
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MD5
c03f24c97542ce05a17f4d2fc568199a
-
SHA1
b20ee38d2aaab7a9ebf6702f9737041a09d35244
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SHA256
278e50dd4c0c53481a86f803c4969af7cd6ce71f49ef322d77ef2eecfcf1b7fd
-
SHA512
a9a2d16088a696366b3a5c21cd4776c64c19594d8aee50a2d310a30176ad09c6be6f544b6c2fc90dd0bedf61f4d7fbfd4628a55eedd88cdb6fec41e6dec0e1d9
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 4440 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 EXCEL.EXE 4440 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:4440