Analysis
- max time kernel
136s - max time network
116s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
29/03/2023, 09:23
Static task
static1
Behavioral task
behavioral1
Sample
Materials Specification.xlsx
Resource
win7-20230220-en
21 signatures
150 seconds
Behavioral task
behavioral2
Sample
Materials Specification.xlsx
Resource
win10v2004-20230220-en
8 signatures
150 seconds
General
- Target Materials Specification.xlsx
- Size 648KB
- Sample230329-lch6raff77
- SHA256 7aeef1eed7abd0e3dc85b2058d478d2b0051ff93b30f1924e9b0ec0f20860897
- MD5 fba2bde455c13a50ceece1aafacb1604
- SHA1 8f0966854420d0e22a89e93b16ecc6979ec6e6e4
- SHA512 ef71e4a21fea8df45c583f02947292e7d11ad58d8337405fcc60c0e283d49ff193ecb2741e8bc0a406df9525cbe2b498307cdeddf1a717005378be42e29093ca
- SSDEEP 12288:Qgeq3npAKhR52k9pXciCJ6eTp9Ljx6V/dp+4FDs02bt8QHFqv1W:hXpPKaCZTp9VWdpLo0EtvO1W
- MD5 SHA1 SHA512 SSDEEP
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 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 4380 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4380 EXCEL.EXE 4380 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE 4380 EXCEL.EXE - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
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\Materials Specification.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4380