Analysis
- max time kernel
149s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
17/10/2026, 06:41
General
- Target 8fb066366233cc7f03dfd6dc0bc9ab3b09e12874a5dcb48bec05220139223818.exe
- Size 4.7MB
- Sample261017-hfreravs2n
- SHA256 8fb066366233cc7f03dfd6dc0bc9ab3b09e12874a5dcb48bec05220139223818
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 5 IoCs
- Drops file in System32 directory 1 IoCs
- UPX packed file 34 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).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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.
- Modifies registry class 37 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8fb066366233cc7f03dfd6dc0bc9ab3b09e12874a5dcb48bec05220139223818.exe"C:\Users\Admin\AppData\Local\Temp\8fb066366233cc7f03dfd6dc0bc9ab3b09e12874a5dcb48bec05220139223818.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\LukoikJP.exeC:\Users\Admin\AppData\Local\Temp\LukoikJP.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s dy.dll3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
LukoikJP.exe
Set.ini
Set.ini
Set.ini
dyreg.dll
dy.dll
memory/4672-0-0x0000000000400000-0x00000000008CF000-memory.dmp
memory/4672-17-0x0000000000400000-0x00000000008CF000-memory.dmp
memory/4720-88-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-93-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-69-0x0000000005B10000-0x0000000005B1F000-memory.dmp
memory/4720-73-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-74-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/4720-9-0x0000000000BE8000-0x0000000000BE9000-memory.dmp
memory/4720-77-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-78-0x000000006FFF0000-0x0000000070000000-memory.dmp
memory/4720-81-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-82-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-83-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-84-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-85-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-86-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-7-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-89-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-91-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-92-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-94-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-10-0x0000000010000000-0x000000001002C000-memory.dmp
memory/4720-96-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-95-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-98-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-100-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-99-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-102-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-104-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-103-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-106-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-105-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-108-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-110-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-109-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-112-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-114-0x00000000067E0000-0x00000000069AB000-memory.dmp
memory/4720-113-0x0000000000400000-0x0000000000BE9000-memory.dmp
memory/4720-116-0x00000000067E0000-0x00000000069AB000-memory.dmp