Analysis
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max time kernel
115s -
max time network
147s -
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
IAENMAIL-A4-220804-0830-0001973.xlsx
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
IAENMAIL-A4-220804-0830-0001973.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
91KB
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MD5
2d59640378c2d8c97293822a12912d14
-
SHA1
92ec83ee42ff07654652a9466003dfc780907a13
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SHA256
48cac48c9f98b51cfecb940ef57a74aed8e32e20d63c77146fe9adda773f5ebc
-
SHA512
33cd035cb323559a379fdd921708978226fc9dabb2cf6ff0095f32f85061385dcf5a28c1f8eb34204af0a88da954538e20847bda00197c196a846f4b19952031
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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1704 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 EXCEL.EXE 1704 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:1704