Analysis
- max time kernel
149s - max time network
141s - 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, 12:34
Behavioral task
behavioral1
Sample
attachment20260930-1253-w01hvs.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1253-w01hvs.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-1253-w01hvs.xlsm
- Size 555KB
- Sample260930-pryfrsvx2l
- 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 5100 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\15295E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 5100 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5100 EXCEL.EXE 5100 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE 5100 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5100 wrote to memory of 1228 5100 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\attachment20260930-1253-w01hvs.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:5100 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1228
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:4084
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\15295E00
- Size 550KB
- SHA256 4071ec744d7c0007499146fffca953534a351fef33b2e5416a3cce0337367598
- MD5 f7c9d7d9f764c346783c450883836bc5
- SHA1 993951667c56b301f2b5a5baf172119f6105dd74
- SHA512 6b39c23e388310ba3073c9d7ae9cba1ded16fac8e68aab0a9d1881ddcb560445ad113b5103bd074cf151d5abd9999eccb7b51ca8fd711d25d9f93087dd708a63
- SSDEEP 12288:oIYeJ04VK6trFlaX4pmUEo1V3rol/AWkKfQHfR:xJRVz1PpmUEexe//CR
- TLSH T141C4121ADD688C34D2C994B8D29E90F1416B5A469637960F30DCE9484B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 2KB
- SHA256 6c6bd16d39961e38a7c6fd911bd168fe3396d78b1cecf1142ef0545fd2a4e3e1
- MD5 37380baccb9dec4d0f40e7b3dd437665
- SHA1 2b747e9c151e5ff75f6ac685e667a2cda5a1271e
- SHA512 d9f5e7060f883b696c218711163ed0f5d71a8e236a81c9dbbbee7303c56753490a89dfa6f301536e4b51a19d85d31c41ed90d749c3e47dec93a5e0485658ff6f
- TLSH T1435163151E864FA3D424037612294B05C73C7D43E70A910EBA8812EF7DB25885B6FE6B
- MD5 SHA1 SHA512 TLSH