Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 00:42
Behavioral task
behavioral1
Sample
attachment20260930-1092870-zjr9lx.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1092870-zjr9lx.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-1092870-zjr9lx.xlsm
- Size 555KB
- Sample260930-a2j9kaba96
- 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 4964 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\F4D85E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4964 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4964 EXCEL.EXE 4964 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE 4964 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4964 wrote to memory of 2416 4964 EXCEL.EXE 87
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\attachment20260930-1092870-zjr9lx.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:4964 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2416
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:2964
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\F4D85E00
- Size 550KB
- SHA256 1c1acbe744733cbc5b870a89e8a427163739c3c8ae10f32100b10169011b9fae
- MD5 1e1b3ab2417f67c0457965b06f3518c1
- SHA1 0ffc76bf0421993498ca2ac12b9f57ef2d32be40
- SHA512 8c8d6c90e50589934a369e72a959259734da03064f5e833d6db945582ab8db494683d45db78ae057d658418e47362c0833e92342c5a820eac55c6caa26e385a7
- SSDEEP 12288:1YeJ04VK6trFlaX4pmUEo1V3rol/AWkKYQHfb:3JRVz1PpmUEexe//Hb
- TLSH T19CC4121ADD698C34D2D998B8D29E80F140675A459A37960F30DCE9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 2KB
- SHA256 c201c91d30ddedb82834d2d4c543044151c82d9a5ff8e01e9791f37ae4d25c9f
- MD5 671058eb16e619221573707bbfdb44e3
- SHA1 aaa9534ae87bd92174f7dc8c85a3a7fa9f76df4b
- SHA512 7c5b16444a8263068117099fac5c3f14dab2dbb14f21915f9ac460292e81bf96ed048b99cab334e3ffddf2a1a0abe9697280b67c2b54dc44647ee1647f4133d5
- TLSH T1405145120F472F5BE8340675663A9B01D3203C129716820E7A8852EF7CBA844973EB17
- MD5 SHA1 SHA512 TLSH