Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
29/07/2026, 00:23
General
- Target 2026-07-28_c9c3467accfbe0b43eade79f9a7d18a8_mespinoza.exe
- Size 4.3MB
- Sample260729-appnhsda94
- SHA256 a071126ee420cb41f60832b0d2c886ab888c7e7dfcca4dc5e055b98e2c53eb21
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 2 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
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-28_c9c3467accfbe0b43eade79f9a7d18a8_mespinoza.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-28_c9c3467accfbe0b43eade79f9a7d18a8_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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4772-0-0x00007FF7DEA34000-0x00007FF7DEBFA000-memory.dmp
memory/4772-1-0x00007FF86B7D0000-0x00007FF86B7D2000-memory.dmp
memory/4772-2-0x00007FF7DE640000-0x00007FF7DF1AC000-memory.dmp
memory/4772-6-0x00007FF7DEA34000-0x00007FF7DEBFA000-memory.dmp
memory/4772-8-0x00007FF7DEA34000-0x00007FF7DEBFA000-memory.dmp