Analysis
- max time kernel
148s - max time network
139s - 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, 04:30
Behavioral task
behavioral1
Sample
attachment20261002-143791-bcic7f.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-143791-bcic7f.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-143791-bcic7f.xlsm
- Size 555KB
- Sample261002-e4t9rsvw6p
- 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 3248 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\77195E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3248 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3248 EXCEL.EXE 3248 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE 3248 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3248 wrote to memory of 1384 3248 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\attachment20261002-143791-bcic7f.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:3248 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1384
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4688
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\77195E00
- Size 550KB
- SHA256 34726aac76f4614ad2f21a1d8a6df2dce6a6a576254b1c12be4198f1dc09717a
- MD5 758a3c43637afedfdf01fb3973fdc8cd
- SHA1 ad5869861cf1765f73fa49dc5be1ea8f602d387c
- SHA512 882efde41e3b7535cd0fcbfd4e78766a4e2c98f466f61e466f50d2fcd45edaad71ff7491870171020b65069f876607b7ee8af12b16d2fa23471341c0f5caa52c
- SSDEEP 12288:IYeJ04VK6trFlaX4pmUEo1V3rol/AWkK+vQHfV:SJRVz1PpmUEexe//9V
- TLSH T168C4121ADD68CC38D2C998B8D29E40F141665A55D637960F30DCA9484B877FB0ECF2EE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 1KB
- SHA256 b24251a592416ff930f6eacd2258c02a3e7a5f2118453903640470b3fe84c30f
- MD5 7716aaf11e3eb5a23b7557c7d57f78f2
- SHA1 c36aa6efe792b833774cefe84eb6de291e38b9ac
- SHA512 9462290c2947f16c22714b9753deb37c0df07ee66059571971131c2300c64cfbe21d5502f684d9aef467f697788ca0e988746a5cb4895a616cd89d6206e7a0a2
- TLSH T19321CC0BA6DB0E1AE06183B306B7C337E666BC10AB15960E9284925F7DA5440CB1EBC9
- MD5 SHA1 SHA512 TLSH