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
30/09/2026, 11:59
Behavioral task
behavioral1
Sample
attachment20260930-1253-62rblb.xlsm
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
attachment20260930-1253-62rblb.xlsm
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target attachment20260930-1253-62rblb.xlsm
- Size 555KB
- Sample260930-n526fatscs
- 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 3320 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\62595E00\:Zone.Identifier:$DATA EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3320 EXCEL.EXE - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3320 EXCEL.EXE 3320 EXCEL.EXE - Suspicious use of SetWindowsHookEx 11 IoCs
pid Process 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE 3320 EXCEL.EXE - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3320 wrote to memory of 5140 3320 EXCEL.EXE 90
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\attachment20260930-1253-62rblb.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:3320 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:5140
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵PID:6096
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\62595E00
- Size 550KB
- SHA256 f236dc72b41582f36dd6ce10e8215223dbfd29fcafb25b521c2ffd4db9fce6e9
- MD5 7d51b1d522a7ab4c146147dd40582d53
- SHA1 afda6824efd8658cdb37b185739f065ae624d911
- SHA512 0aaf6e45a3a94e0fae9b3a3d0a7fed312943cd78dd6925c237f8b4233bc8fa5f85aca1a3c91e5d90a010e9c4e20d957467edfe63c8ced234b55e42766dbd7c07
- SSDEEP 12288:KYeJ04VK6trFlaX4pmUEo1V3rol/AWkKcQrQHfJ:sJRVz1PpmUEexe//zUJ
- TLSH T109C4121AD958CC38D2CA9878D29E90F140675A459637960F30DCE9584B877FB0ECF2ED
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
- Size 2KB
- SHA256 b488b4eaf80c0f2fcab2689a94ccbe86a5b38114fe0d690c5eea128634da0528
- MD5 1afcf3c45f6e50dd59e15039adb6d5a8
- SHA1 5be3533f6b03a070490eb0d3d3e28a6c657a6585
- SHA512 f253d38b07b344ec378edbd9f977d33cddeb5afe2566b6934c71c51dab850a1d6c8fa737b5d3a00caf723076083dc10d214d3a4486464311879dec1d6a8328d9
- TLSH T19151FE434A8F1F5FC02882355A36876BE270FC06DB03BA2DA380821FAC75500DA5DA5E
- MD5 SHA1 SHA512 TLSH