General
- Target 2026-07-28_b3a63da97db6644ead38d97ec06904fa_mespinoza
- Size 21.7MB
- Sample260728-e5qb7syvhy
- SHA256 f69b2dd77921adc1caa239df798436b809e1de7b1c4ffc8dcf9f495c67117587
- MD5 b3a63da97db6644ead38d97ec06904fa
- SHA1 11d994fe84840687cc0a3dac32eda8912eaae4a5
- SHA512 57a256e6edf222e66d98d939dfb0df0f71364fcc14e792fd007d9503b5e4d33729cd1cf0c710e6e0dd76a413e146a52fce5c12a6009cfc3fe2ce4a8d8eb7ea46
- SSDEEP 393216:n+Ry2M6EbC1NvRWsjwEhFTAvWrKhD1JTEjRmg9+v2HdONFqN90:n0Y6OC1NZWBE7T5ru1iggNHaFqN90
- TLSH T11A373386BA944138C9CB8E72E6C446F9FD8139C2BCBA551B7FD00A1D2F346DAC652731
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-28_b3a63da97db6644ead38d97ec06904fa_mespinoza.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-28_b3a63da97db6644ead38d97ec06904fa_mespinoza.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
Malware Config
Targets
-
- Target 2026-07-28_b3a63da97db6644ead38d97ec06904fa_mespinoza
- Size 21.7MB
- SHA256 f69b2dd77921adc1caa239df798436b809e1de7b1c4ffc8dcf9f495c67117587
- MD5 b3a63da97db6644ead38d97ec06904fa
- SHA1 11d994fe84840687cc0a3dac32eda8912eaae4a5
- SHA512 57a256e6edf222e66d98d939dfb0df0f71364fcc14e792fd007d9503b5e4d33729cd1cf0c710e6e0dd76a413e146a52fce5c12a6009cfc3fe2ce4a8d8eb7ea46
- SSDEEP 393216:n+Ry2M6EbC1NvRWsjwEhFTAvWrKhD1JTEjRmg9+v2HdONFqN90:n0Y6OC1NZWBE7T5ru1iggNHaFqN90
- TLSH T11A373386BA944138C9CB8E72E6C446F9FD8139C2BCBA551B7FD00A1D2F346DAC652731
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger