Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 14:04
Behavioral task
behavioral1
Sample
attachment20261001-527357-xxk8xg.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20261001-527357-xxk8xg.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20261001-527357-xxk8xg.xlsm
- Size 555KB
- Sample261001-rdp9cade86
- 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 3764 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\806A5E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3764 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3764 EXCEL.EXE 3764 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE 3764 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3764 wrote to memory of 4992 3764 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\attachment20261001-527357-xxk8xg.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:3764 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:4992
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:240
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\806A5E00
- Size 550KB
- SHA256 f39300e9e8e2622c852335c522829703a6c2bbaaa4711d064d729d50113123b3
- MD5 b94319e22b1a45fe61ccffe97b312276
- SHA1 1943dc9582a96ba42ff370534f3235bb80177de7
- SHA512 53a532cc2b882c37957d8ba23f312092124cafdc89c5bf1edf20e2f20511d49ef0ee39328ac0efaaf0564b7a335489304cd9b07d3eb7419ef8d263cf819b2ec4
- SSDEEP 12288:7YeJ04VK6trFlaX4pmUEo1V3rol/AWkK2QHfb:dJRVz1PpmUEexe//db
- TLSH T1C4C4121AD9688C38D3D998B8D29E80F140665A45D637960F30DCEA544B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 2KB
- SHA256 884b3b9451e67edcd1c1a4a18071776e02761bdcc734c3d6e3e67a30764f5883
- MD5 e449ad4c25002979a44eb661824cff7a
- SHA1 7702d249e7dc65340ad93674378f148826d3a833
- SHA512 198dcd34bc966a827f71c8a309d408a3e2b11c5e03827c238df418bfc4577f36da5c513156b464b1e002b8fea2c50c7c0e81aa19e45a0b8de8ad6cc87d9a71fc
- TLSH T10E5115124F8B7F6BD1A846325B3D9749E6227C016B40A31EF38521AF7DAD600852BE5B
- MD5 SHA1 SHA512 TLSH