Analysis
- max time kernel
8s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
04/06/2026, 18:31
Errors
General
- Target b663833709691d3f95e434a750129c56564f6463932a66c91c0bb73564072d26.exe
- Size 20.6MB
- Sample260604-w6hgescs8v
- SHA256 b663833709691d3f95e434a750129c56564f6463932a66c91c0bb73564072d26
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 8 IoCs
- 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 1 IoCs
- UPX packed file 24 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b663833709691d3f95e434a750129c56564f6463932a66c91c0bb73564072d26.exe"C:\Users\Admin\AppData\Local\Temp\b663833709691d3f95e434a750129c56564f6463932a66c91c0bb73564072d26.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\1.exeC:\Users\1.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
1.exe
EThread.fne
dp1.fne
krnln.fnr
spec.fne
ExtraDll.dll
memory/3132-44-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-19-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-1-0x0000000003620000-0x0000000003621000-memory.dmp
memory/3132-11-0x0000000000400000-0x0000000002DD3000-memory.dmp
memory/3132-9-0x0000000000400000-0x0000000002DD3000-memory.dmp
memory/3132-13-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-14-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-48-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-56-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-54-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-52-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-99-0x0000000000400000-0x0000000002DD3000-memory.dmp
memory/3132-3-0x0000000004D90000-0x0000000004D91000-memory.dmp
memory/3132-4-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
memory/3132-5-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
memory/3132-6-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
memory/3132-50-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-46-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-0-0x00000000015EA000-0x000000000193A000-memory.dmp
memory/3132-42-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-40-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-38-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-36-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-34-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-32-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-30-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-28-0x0000000000400000-0x0000000002DD3000-memory.dmp
memory/3132-27-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-25-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-23-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-21-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-2-0x0000000003640000-0x0000000003641000-memory.dmp
memory/3132-17-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-15-0x0000000010000000-0x000000001003E000-memory.dmp
memory/3132-93-0x0000000000400000-0x0000000002DD3000-memory.dmp
memory/3132-8-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
memory/3132-7-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
memory/4924-90-0x0000000002480000-0x00000000024AE000-memory.dmp
memory/4924-84-0x0000000002420000-0x000000000243C000-memory.dmp
memory/4924-96-0x0000000077AE0000-0x0000000077C89000-memory.dmp
memory/4924-97-0x0000000077690000-0x00000000778E2000-memory.dmp
memory/4924-73-0x0000000002190000-0x00000000021A7000-memory.dmp