Analysis
- custom tags
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
23/08/2026, 07:33
General
- Target 83f7b1ff881659e0732d46ce49a17cc8bcebb55b6fccc8acf208403dd5cf05c1.exe
- Size 1.9MB
- Sample260823-jdn3aavala
- SHA256 83f7b1ff881659e0732d46ce49a17cc8bcebb55b6fccc8acf208403dd5cf05c1
Malware Config
Signatures
- detect oss ak 19 IoCs
oss ak information detected.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 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.
- UPX packed file 47 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 SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\83f7b1ff881659e0732d46ce49a17cc8bcebb55b6fccc8acf208403dd5cf05c1.exe"C:\Users\Admin\AppData\Local\Temp\83f7b1ff881659e0732d46ce49a17cc8bcebb55b6fccc8acf208403dd5cf05c1.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\data\Bugreport-589992.dllC:\Users\Admin\AppData\Local\Temp\data\Bugreport-589992.dll Bugreport %E9%AA%A8%E5%A4%B4QQ%E7%A9%BA%E9%97%B4%E8%AE%BF%E5%AE%A2%E7%9B%91%E6%8E%A7%E6%8F%90%202⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Bugreport-589992.dll
Bugreport.ini
Bugreport_error.ini
iext1.fnr.bbs.125.la
memory/4560-83-0x0000000000400000-0x0000000000442200-memory.dmp
memory/4560-68-0x0000000000400000-0x0000000000442200-memory.dmp
memory/5576-32-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-35-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-52-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-51-0x00000000036A0000-0x0000000003712000-memory.dmp
memory/5576-39-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-33-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-0-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-29-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-57-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-56-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-27-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-58-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-25-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-23-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-19-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-15-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-13-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-11-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-9-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-50-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-43-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-41-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-37-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-53-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-21-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-17-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-8-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-47-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-49-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-69-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-45-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-7-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5576-1-0x00000000008B8000-0x00000000008B9000-memory.dmp
memory/5576-86-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-87-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-88-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-89-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-90-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-91-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-92-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-93-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-94-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-95-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-96-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5576-97-0x0000000000400000-0x00000000008BA200-memory.dmp