Analysis
- max time kernel
121s - max time network
136s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
26/10/2021, 10:19
Static task
static1
Behavioral task
behavioral1
Sample
aaaaaaaaaaa.xls
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
aaaaaaaaaaa.xls
Resource
win10-en-20210920
0 signatures
0 seconds
General
- Target aaaaaaaaaaa.xls
- Size 55KB
- Sample211026-mcjmyshbd8
- SHA256 9cb3b49716b637ee57db8cc7bd17189ac2fa2489d8ba32a94a7c99f20fa82a5e
- MD5 a8ca4b1a0ab594b286145586e6b4921c
- SHA1 2e8c2f19a0a58755d03bcf12a38e9383d49a8465
- SHA512 42cf117b13e4e972f5565016f92bed73d915dccccb8f7e929ce6850c47dd4befe4dcd8723d6b124fd8f82c5f7da631b54fa4f820b56223b8e41397a73650c6cd
- MD5 SHA1 SHA512
Score
1/10
Malware Config
Signatures
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description 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
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3476 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE 3476 EXCEL.EXE
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\aaaaaaaaaaa.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3476