Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
28/08/2026, 11:37
General
- Target a41904929ec86e8d9ad8d9ad94675cb5a3945fc764db4daac9c77be3e32dd3b5.exe
- Size 2.3MB
- Sample260828-nrh6eahl2s
- SHA256 a41904929ec86e8d9ad8d9ad94675cb5a3945fc764db4daac9c77be3e32dd3b5
Malware Config
Signatures
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 SetWindowsHookEx 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a41904929ec86e8d9ad8d9ad94675cb5a3945fc764db4daac9c77be3e32dd3b5.exe"C:\Users\Admin\AppData\Local\Temp\a41904929ec86e8d9ad8d9ad94675cb5a3945fc764db4daac9c77be3e32dd3b5.exe"1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4684-1-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-2-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-4-0x00007FFE13A0D000-0x00007FFE13A0E000-memory.dmp
memory/4684-5-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-3-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-6-0x00007FFE13970000-0x00007FFE13B65000-memory.dmp
memory/4684-8-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-7-0x00007FFE13970000-0x00007FFE13B65000-memory.dmp
memory/4684-10-0x00007FFE13970000-0x00007FFE13B65000-memory.dmp
memory/4684-9-0x00007FFE13970000-0x00007FFE13B65000-memory.dmp
memory/4684-11-0x00007FFDD1630000-0x00007FFDD1640000-memory.dmp
memory/4684-12-0x00007FFDD1630000-0x00007FFDD1640000-memory.dmp
memory/4684-20-0x00007FFE13970000-0x00007FFE13B65000-memory.dmp
memory/4684-26-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-27-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-28-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-29-0x00007FFDD39F0000-0x00007FFDD3A00000-memory.dmp
memory/4684-30-0x00007FFE13970000-0x00007FFE13B65000-memory.dmp