Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 14:52
General
- Target attachment20260930-1253-mwklkl.xlsm
- Size 555KB
- Sample260930-r8sb7atxes
- SHA256 7dc6e3106413ad883680745af653b737bc9ae0b2d2599eeb7ee45aeea3a4494f
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- NTFS ADS 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 11 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
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-mwklkl.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
-
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
91F95E00
b8ab77100df80ab2.customDestinations-ms
memory/1596-0-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/1596-12-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-6-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-2-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/1596-8-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-7-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/1596-1-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/1596-10-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-13-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-4-0x00007FF9BEF80000-0x00007FF9BEF90000-memory.dmp
memory/1596-9-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-11-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-14-0x00007FF9BC420000-0x00007FF9BC430000-memory.dmp
memory/1596-15-0x00007FF9BC420000-0x00007FF9BC430000-memory.dmp
memory/1596-5-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-50-0x00007FF9FEE40000-0x00007FF9FF0A3000-memory.dmp
memory/1596-3-0x00007FF9FEF9F000-0x00007FF9FEFA0000-memory.dmp