Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/10/2026, 16:18
Behavioral task
behavioral1
Sample
attachment20261002-278819-8udi28.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-8udi28.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-8udi28.xlsm
- Size 555KB
- Sample261002-tr5masea45
- 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 3188 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\07E85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3188 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3188 EXCEL.EXE 3188 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE 3188 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3188 wrote to memory of 4188 3188 EXCEL.EXE 92
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\attachment20261002-278819-8udi28.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:3188 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4188
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:1260
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\07E85E00
- Size 550KB
- SHA256 c60de49e48dfb972b3a22fe5488ecfb0366db16af26c9a03edcdfe00541eb590
- MD5 d2bba35cdef9e4eab242faf0a178c13e
- SHA1 f1b91b331ee43536aea488b79f797bc5efc525ab
- SHA512 1e50e7b53e1d9b6bf662e31df469c044d4c93d605306e6088811ba12f8fdab28fd7bfc588d0ee9ee23e21fb97cee0ceaec11e22961ed3c9a19ba7d99f0e02491
- SSDEEP 12288:7YeJ04VK6trFlaX4pmUEo1V3rol/AWkKMQHfh:dJRVz1PpmUEexe//bh
- TLSH T185C4121ADD68CC34D2D998B8D2DE90F141665A459637960F30DCA9484B837FB0ECF2EE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S3GBWH055TWIYOS27C8W.temp
- Size 2KB
- SHA256 2f2ce74b48e3cd25181617c89501819aacc34565370592ef928f52e59c348634
- MD5 5d5ad5bd7d2a20c380d806c7beff0114
- SHA1 5c0884b85f17a069c45448a8a3cc92ebbae0cf11
- SHA512 14f35783bc6e402e10e72a73cddc1fc0089a4a51b54394285620c8beb91917a9dbd2030ed11c88967c9b867c69f7bdb9623d669fe164ddca0d1403e200762492
- TLSH T11A51F0011A869BAFF8244235263B9B15D3657C02A75DD20E7784329FBDB38408F5FB2B
- MD5 SHA1 SHA512 TLSH