Analysis
- max time kernel
149s - max time network
137s - 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, 07:30
Behavioral task
behavioral1
Sample
attachment20261002-278819-3yvfad.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261002-278819-3yvfad.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261002-278819-3yvfad.xlsm
- Size 555KB
- Sample261002-jb1cjacd63
- 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 3936 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\19D85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3936 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3936 EXCEL.EXE 3936 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE 3936 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3936 wrote to memory of 2384 3936 EXCEL.EXE 86
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\attachment20261002-278819-3yvfad.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:3936 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2384
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\19D85E00
- Size 550KB
- SHA256 f78a35de52ff31127c4161b9ff37baead7f0a8ed2d13708baf23275867e56f50
- MD5 f1aa81b3e3e555500562def9dd85f540
- SHA1 933d7a79b7b8587bd4f5e976fff596cb2249a77a
- SHA512 ca2aa7484c40fbe911ec3d3d79b77f4596b1778f110b09c1d71e6b95d020ae5189ab442fc0edcab2afd1d16420d2f4c00b84b5d0e6f6a783fc487e90bafba578
- SSDEEP 12288:jYeJ04VK6trFlaX4pmUEo1V3rol/AWkKlIrQHfp:FJRVz1PpmUEexe//zIUp
- TLSH T146C4121ADD58CC38D2C998B8D29D90F141675A459A37A60F30DCA9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\J0F1GWOUH2DK8TDQZBXG.temp
- Size 3KB
- SHA256 3fe40d76f10ae15a718f025798a0e843765efa164fa6d26518f30ff389945a53
- MD5 e95ee433fea6e1f0dbf16a0b326946af
- SHA1 f6bd6ac4180c45b45b4c07cadc0ffe9befa1b4b0
- SHA512 49a72203fd06c704c6f14238d39e22d7355a70e34021aef025f6d603770fe25548aeb897b4c3bc1ec4efaa328ba4fb9c21ae6fdd159e56d6cb99955ac1e13bb2
- TLSH T18F8101016EC71F2AD0980AB75735971EE7207807E714928F378BB26E2EB8150C76C66E
- MD5 SHA1 SHA512 TLSH