Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/09/2026, 22:40
General
- Target jaffacakes118_922c4db9c46fbb4c952d574c82f7660a24be548413082d6948b7b42a91e1ee0b.exe
- Size 47KB
- Sample260924-2lz4matemb
- SHA256 922c4db9c46fbb4c952d574c82f7660a24be548413082d6948b7b42a91e1ee0b
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 3 IoCs
- UPX packed file 16 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 use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_922c4db9c46fbb4c952d574c82f7660a24be548413082d6948b7b42a91e1ee0b.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_922c4db9c46fbb4c952d574c82f7660a24be548413082d6948b7b42a91e1ee0b.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\msdtk.exe"C:\Windows\SYSTEM32\msdtk.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\msdtk.exeC:\Windows\SysWOW64\msdtk.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hooklib.dll
msdtk.exe
memory/256-26-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-36-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-15-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-16-0x00000000005A0000-0x00000000005AA000-memory.dmp
memory/256-44-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-42-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-22-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-24-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-40-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-28-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-30-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-32-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-34-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-9-0x0000000000400000-0x0000000000411000-memory.dmp
memory/256-38-0x0000000000400000-0x0000000000411000-memory.dmp
memory/1548-21-0x0000000000650000-0x000000000065A000-memory.dmp
memory/1548-20-0x0000000000400000-0x0000000000411000-memory.dmp
memory/4104-10-0x0000000000400000-0x000000000040B000-memory.dmp