Analysis
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max time kernel
146s -
max time network
155s -
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 07:38
Static task
static1
Behavioral task
behavioral1
Sample
MT 118772 PO.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
MT 118772 PO.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
89KB
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MD5
c35225cc616d1d520f234cdff66a71c1
-
SHA1
6d0c75f983d0856fb02cd8484b2317b7a3b438ad
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SHA256
6f6e2a4612bc8f35e05c8be63ec5f3d41d48633bf9c2d56d54bc16f993d456c5
-
SHA512
4231be6d1c73848eb8bee294ff63d5fb699d17dcca8e8f80cc056e44017e61733330d0b5a3d62f6d06de110540708e33192a5becf6b03a180e782c0d50b3be50
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 4148 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 EXCEL.EXE 4148 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:4148