Analysis
- max time kernel
149s - max time network
145s - 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, 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 1332 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\75F85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1332 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1332 EXCEL.EXE 1332 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE 1332 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1332 wrote to memory of 3916 1332 EXCEL.EXE 89
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:1332 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3916
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:3544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\75F85E00
- Size 550KB
- SHA256 b2d61cc5dd8f4d9aad8c4301b6891040f0140d3f1af1de6f02706e32c4065a0d
- MD5 ad11f3c1bfcc54998b7793689f3d2dcd
- SHA1 2c404b03a864278f3ea18c4284c16d3caf554960
- SHA512 51cc43aaea14c4a57b992d161091eb639eb8fbdffb0ba0d65bd78f8c4aa2417e33bd13aa09e0fad5556200d99efddf266e257a49c2f8965e7a46a7b7842b5e5a
- SSDEEP 12288:xYeJ04VK6trFlaX4pmUEo1V3rol/AWkKPrzQHfc:bJRVz1PpmUEexe//lrcc
- TLSH T13DC4121AD9588C38D2D998B8D2DE80F140665E459A37960F30DCE9584B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FMXAVACZFEY178XMIAY0.temp
- Size 1KB
- SHA256 4a9f2c4fb3058f1927051c07f13d06fd5b3583f6749e9863f38e4b340376c0ea
- MD5 197bed334032a58ef2a2035d78d67f0d
- SHA1 c7aa8c9a92fa70eba82144daa29df3844a883d78
- SHA512 ed74beca3fbf45a0ef2c8ba22aa8be509b0ded846d7ad27df2839ef737421503eb490918904709f1a3850c833a9d14a51e5f672da876bc65c351adeed03f4652
- TLSH T1D02120123AC76F4FD0188AB96A39170AF774FC17F754824EB188128AACF4402955CF6A
- MD5 SHA1 SHA512 TLSH