Analysis
- custom tags
- max time kernel
150s - max time network
113s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
03/08/2026, 15:43
General
- Target 783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c.exe
- Size 1.9MB
- Sample260803-s58ensbf74
- SHA256 783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c
Malware Config
Signatures
- detect oss ak 23 IoCs
oss ak information detected.
- Downloads MZ/PE file 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 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 64 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: RenamesItself 2 IoCs
- Suspicious use of SetWindowsHookEx 8 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c.exe"C:\Users\Admin\AppData\Local\Temp\783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c.exe"1⤵
- Downloads MZ/PE file
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c.exe"C:\Users\Admin\AppData\Local\Temp\783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c.exe" 50522⤵
- Executes dropped EXE
- 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-262598.dllC:\Users\Admin\AppData\Local\Temp\data\Bugreport-262598.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%203⤵
- 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
783f8477f784ab4e66bf2f72e9c6c94bedc66f3c64b2aaa65489a9efc5823a2c.exe
Bugreport-262598.dll
Bugreport.ini
Bugreport_error.ini
setsoft.ini
setsoft.ini
iext1.fnr.bbs.125.la
memory/1368-147-0x0000000000400000-0x0000000000442200-memory.dmp
memory/1368-132-0x0000000000400000-0x0000000000442200-memory.dmp
memory/3000-85-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-99-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-3840-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-3499-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-3157-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-2883-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-2543-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-2202-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-1861-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-1520-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-103-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-1179-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-838-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-497-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-149-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-122-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-121-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-97-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-74-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-120-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-76-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-89-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-80-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-81-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-83-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-69-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-101-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-119-0x0000000003900000-0x0000000003972000-memory.dmp
memory/3000-118-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/3000-117-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-115-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-113-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-111-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-109-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-95-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-105-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-87-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-77-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-107-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-93-0x0000000010000000-0x000000001003F000-memory.dmp
memory/3000-91-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-9-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-23-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-44-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-59-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-58-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-7-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-8-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-42-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-11-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-15-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-0-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-17-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-71-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-19-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-46-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-48-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-51-0x0000000003670000-0x00000000036E2000-memory.dmp
memory/5052-32-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-25-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-50-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-13-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-1-0x00000000008B8000-0x00000000008B9000-memory.dmp
memory/5052-21-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-56-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-55-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-27-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-29-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-31-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-34-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-54-0x0000000000400000-0x00000000008BA200-memory.dmp
memory/5052-36-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-38-0x0000000010000000-0x000000001003F000-memory.dmp
memory/5052-40-0x0000000010000000-0x000000001003F000-memory.dmp