Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 08:22
General
- Target attachment20260930-1253-w22yb.xlsm
- Size 555KB
- Sample260930-j9ll2aag25
- 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-w22yb.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
Loading Replay Monitor...
Downloads
39F85E00
b8ab77100df80ab2.customDestinations-ms
memory/3948-9-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-11-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-5-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-6-0x00007FF915140000-0x00007FF915150000-memory.dmp
memory/3948-7-0x00007FF915140000-0x00007FF915150000-memory.dmp
memory/3948-4-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-0-0x00007FF915140000-0x00007FF915150000-memory.dmp
memory/3948-12-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-13-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-1-0x00007FF915140000-0x00007FF915150000-memory.dmp
memory/3948-10-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-14-0x00007FF912410000-0x00007FF912420000-memory.dmp
memory/3948-8-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-15-0x00007FF912410000-0x00007FF912420000-memory.dmp
memory/3948-3-0x00007FF95515F000-0x00007FF955160000-memory.dmp
memory/3948-53-0x00007FF955000000-0x00007FF955263000-memory.dmp
memory/3948-2-0x00007FF915140000-0x00007FF915150000-memory.dmp