Analysis
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max time kernel
160s -
max time network
165s -
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
IAENMAIL-A4-220804-0830-0001973.xlsx
-
Size
96KB
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MD5
0992935f720f08c833dad3571f5ed989
-
SHA1
7e8c8339816aadd863e87ca9342f0e68b11a99dd
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SHA256
dcb9415e6829bd734e7d1f96033c3273488f02d7f55acb19f5c77c239ffecf50
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SHA512
7e0708240849c7fd2621c819907cb0df31a0820979d1f4d794b7c43cd83065a9db54330618b6e3252211c7ebf00e551ca7c30b7ed57f33ee85f128794e07eeed
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 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 1188 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 EXCEL.EXE 1188 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\IAENMAIL-A4-220804-0830-0001973.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1188