Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
09/08/2026, 07:46
General
- Target 2026-08-09_8e2624e89fd7f7c6ed4e7169dde7d87b_mespinoza.exe
- Size 10.4MB
- Sample260809-jmdynstbpe
- SHA256 31b49327d2f28119119b44cf6ee3053c01683bf79772a61d3ce27e48e17872e1
Score
7/10
Malware Config
Signatures
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_8e2624e89fd7f7c6ed4e7169dde7d87b_mespinoza.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_8e2624e89fd7f7c6ed4e7169dde7d87b_mespinoza.exe"1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1804-0-0x00007FF644014000-0x00007FF6441E9000-memory.dmp
memory/1804-1-0x00007FFCD1050000-0x00007FFCD1052000-memory.dmp
memory/1804-6-0x00007FF643C20000-0x00007FF6447AF000-memory.dmp
memory/1804-7-0x00007FF644014000-0x00007FF6441E9000-memory.dmp
memory/1804-9-0x00007FF644014000-0x00007FF6441E9000-memory.dmp
memory/1804-10-0x00007FF643C20000-0x00007FF6447AF000-memory.dmp