Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
19/08/2026, 11:16
General
- Target attachment20260819-1201-a4rser.xlsx
- Size 15KB
- Sample260819-nc45bssflh
- SHA256 89d9f6bb65099039c3f1c946823c62167eba2c451b6fcb741cf88a07a2d3b87a
Malware Config
Signatures
- 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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 13 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\attachment20260819-1201-a4rser.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
b8ab77100df80ab2.customDestinations-ms
memory/2316-4-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-10-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-1-0x00007FFB5C7C0000-0x00007FFB5C7D0000-memory.dmp
memory/2316-7-0x00007FFB5C7C0000-0x00007FFB5C7D0000-memory.dmp
memory/2316-6-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-5-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-3-0x00007FFB9C7DF000-0x00007FFB9C7E0000-memory.dmp
memory/2316-8-0x00007FFB5C7C0000-0x00007FFB5C7D0000-memory.dmp
memory/2316-9-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-0-0x00007FFB5C7C0000-0x00007FFB5C7D0000-memory.dmp
memory/2316-12-0x00007FFB5A300000-0x00007FFB5A310000-memory.dmp
memory/2316-11-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-13-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-14-0x00007FFB5A300000-0x00007FFB5A310000-memory.dmp
memory/2316-16-0x00007FFB9C680000-0x00007FFB9C8E3000-memory.dmp
memory/2316-2-0x00007FFB5C7C0000-0x00007FFB5C7D0000-memory.dmp