Analysis
- max time kernel
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/10/2026, 18:09
General
- Target jaffacakes118_Trojan-Dropper.Win32.Delf.cy.exe
- Size 62KB
- Sample261009-wrmslah13p
- SHA256 b0b05da8249735bece4230a31867749da2a10352483c2c08f3731a871ac11d5a
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 4 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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 64 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Delf.cy.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Delf.cy.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\internet.exeC:\Windows\internet.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\Deleteme.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Deleteme.bat
internet.exe
regsvr32.exe
memory/4472-12-0x0000000000B60000-0x0000000000B71000-memory.dmp
memory/4472-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4472-13-0x0000000000B60000-0x0000000000B71000-memory.dmp
memory/4472-25-0x0000000002460000-0x0000000002473000-memory.dmp
memory/4472-34-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4472-35-0x0000000002460000-0x0000000002473000-memory.dmp
memory/4908-0-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4908-2-0x0000000002120000-0x0000000002131000-memory.dmp
memory/4908-32-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4908-1-0x0000000002120000-0x0000000002131000-memory.dmp