Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 16:48
Behavioral task
behavioral1
Sample
attachment20261002-278819-npx5kk.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-npx5kk.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-npx5kk.xlsm
- Size 555KB
- Sample261002-va7wrssset
- SHA256 7dc6e3106413ad883680745af653b737bc9ae0b2d2599eeb7ee45aeea3a4494f
- MD5 39aa1923e02ff1b6ba0730167cc55165
- SHA1 e78df3924af4b8006325a97a0be7722606c8c60f
- SHA512 54a89b3528b9b09ad04c81bb31af3ce09b53a85f4009a38c5827b99c8ed8af84e0ffbbaae3ab02ae8d0a54b07df3f786ee5a92070c347bb2c5bee35367e84c08
- SSDEEP 12288:stqRgLFbA4XUTzCpOrYUsEV3lol/AWkf/SaBQHD:s+gLNITztKExs//MSJ
- TLSH T1F5C42319E3489C28C25F84B8E1DC10E582AB2B51E522F60F3CACB95C5F9D5774ECE399
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 4128 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 - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\33795E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4128 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4128 EXCEL.EXE 4128 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE 4128 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4128 wrote to memory of 1364 4128 EXCEL.EXE 90
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\attachment20261002-278819-npx5kk.xlsm"1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1364
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:5584
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\33795E00
- Size 550KB
- SHA256 7764d12f855f3c5a2976c09f4357a156bf3e877573fd673aca172667733856e5
- MD5 7be8ee4298d15907ef2a43a6e6468cb7
- SHA1 840cbc190cd2600ba42f993338b4262705ed4817
- SHA512 beca70ead8590083ce03d3e628a07fa4d23dbbba9b31230a97c8f21760a3418275f14ecd56930b9e43c29ee211a50240825940a1fc14a7e1bda908611394c927
- SSDEEP 12288:gYeJ04VK6trFlaX4pmUEo1V3rol/AWkKpQHfr:qJRVz1PpmUEexe//Ur
- TLSH T14DC4121AD968CC34D2C998B8D29D90E140671E459A37960F30DCE9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0DV65835FGFX557TA5GB.temp
- Size 1KB
- SHA256 ba5a90156c574c942c801e48d62d1a23997cd61d8c0a8712cf7c8d16ba158cbd
- MD5 767229613ad04a39d549f67dc5b4780b
- SHA1 362bb96bb768bd2d73791374580be4bd5e512f80
- SHA512 f15fe5744bf1019ae3afc6ea0166e5fde50bd32a349a865eb4e66fc78853a51e915fc7a764e2b822d2557ef323514350ed584710a990421d830b9bf640a5de09
- TLSH T16B41D1061A8B0E06E014C6761F7AD397D730FD135F12C71DDB8495AF3E62190C96AEDA
- MD5 SHA1 SHA512 TLSH