Analysis
-
max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2023, 10:11
Static task
static1
Behavioral task
behavioral1
Sample
711.xls
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
711.xls
Resource
win10v2004-20230220-en
General
-
Target
711.xls
-
Size
613KB
-
MD5
c339c06b207148996208bf283a98abb2
-
SHA1
ef894d814f8858aeae2b5189a60de2fedf847afb
-
SHA256
4845c38c745540aea9510da642c4719e6f3e0523341c4e37488103e7229811c4
-
SHA512
6be369bc7d3444a12894adc988b462e58e4b49a6fe77fd17f9c5bb45ab83d124e7a574e4ebfa6cdaafe4e4c6662f48105400e38f093d236778e3787109c42587
-
SSDEEP
12288:cs8bx89Rzj8U2tMIX26XBAeUdkJqyiKGmCN0TO30iDLECqHbg:KbURWFXBXUaq7KPU01iDfa8
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 992 EXCEL.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 992 EXCEL.EXE 992 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 EXCEL.EXE 992 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\711.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:992