Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
01/10/2026, 17:24
General
- Target attachment20261001-1388025-pibem5.xlsm
- Size 555KB
- Sample261001-vyrvfsscle
- 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\attachment20261001-1388025-pibem5.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
EF495E00
4E1AYTSB5Q9V8HGFEVFI.temp
memory/2100-8-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-5-0x00007FFE9C6F0000-0x00007FFE9C700000-memory.dmp
memory/2100-2-0x00007FFE9C6F0000-0x00007FFE9C700000-memory.dmp
memory/2100-9-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-10-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-11-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-0-0x00007FFE9C6F0000-0x00007FFE9C700000-memory.dmp
memory/2100-7-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-6-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-4-0x00007FFE9C6F0000-0x00007FFE9C700000-memory.dmp
memory/2100-12-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-14-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-13-0x00007FFE9A170000-0x00007FFE9A180000-memory.dmp
memory/2100-15-0x00007FFE9A170000-0x00007FFE9A180000-memory.dmp
memory/2100-1-0x00007FFE9C6F0000-0x00007FFE9C700000-memory.dmp
memory/2100-59-0x00007FFEDC670000-0x00007FFEDC865000-memory.dmp
memory/2100-3-0x00007FFEDC70D000-0x00007FFEDC70E000-memory.dmp