Analysis
- max time kernel
119s - max time network
132s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
24/11/2021, 17:42
Static task
static1
Behavioral task
behavioral1
Sample
tax-106609.xlsb
Resource
win7-en-20211014
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
tax-106609.xlsb
Resource
win10-en-20211104
0 signatures
0 seconds
General
- Target tax-106609.xlsb
- Size 86KB
- Sample211124-v91xhadcgl
- SHA256 a8edfd808c0c30de4cd92a88528896b199611715c77758644fbf4ccfdcc113d4
- MD5 bb6456b2119cd5597d4c5095822b78a0
- SHA1 6dff6f559d93d16b1c5266ee4663fe592061146b
- SHA512 5143c4b437581bb69c8e8128ec5dcb1a7481eb1dcd242c912d8854671ca014ff766da4b82918870ffe7139ade891c5dfdb0cc117c896a03109bb0976d8059e71
- 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 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 2380 EXCEL.EXE - Suspicious use of SetWindowsHookEx 14 IoCs
pid Process 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 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\tax-106609.xlsb"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2380