Analysis
- max time kernel
101s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/04/2024, 14:42
Behavioral task
behavioral1
Sample
Joining Instructions IMPC 1.20 .xls
Resource
win7-20240215-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
Joining Instructions IMPC 1.20 .xls
Resource
win10v2004-20240226-en
6 signatures
150 seconds
General
- Target Joining Instructions IMPC 1.20 .xls
- Size 91KB
- Sample240410-r299esef2z
- SHA256 01a195821cb65905b5d1768678436463b1931971c08b5bafe91d4b58b9b2fc45
- MD5 d25ff61103b6e817f63838e66f177a6b
- SHA1 e30a24e7367c4a82d283c7c68cff5739319aace9
- SHA512 60ba4b1b2094706e6fe8e29e03c61a37391b6c288b0b3ec2961d36c04517a3a90a66e4265335a32533c59a2a5211e7198f6fbe34d667c9d09e50e219c80fce80
- SSDEEP 1536:lLk3hOdsylKlgryzc4bNhZFGzE+cL2knAkB7Yollhjd1itVOAuBsXlB7VgrpgE/C:lLk3hOdsylKlgryzc4bNhZFGzE+cL2ki
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfficeCleaner.bat EXCEL.EXE - 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 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
pid Process 3196 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3196 EXCEL.EXE 3196 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 EXCEL.EXE 3196 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\Joining Instructions IMPC 1.20 .xls"1⤵
- Drops startup file
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3196