Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
06/10/2026, 13:11
General
- Target jaffacakes118_Trojan-Downloader.Win32.Small.cwk.exe
- Size 979KB
- Sample261006-qfed7azvht
- SHA256 279b4cb90aa042d3912afb37371fd6451b8ece6dead8e20c343e3b3d383d3a74
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
- Drops file in System32 directory 2 IoCs
- UPX packed file 4 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 4 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 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.cwk.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.cwk.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\×Ô¶¯º°»°1.42.exe"C:\Users\Admin\AppData\Local\Temp\×Ô¶¯º°»°1.42.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\svhest.exeC:\Windows\SysWOW64\svhest.exe1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Setup.exe
×Ô¶¯º°»°1.42.exe
memory/2496-20-0x0000000000400000-0x0000000000421900-memory.dmp
memory/2496-30-0x0000000000400000-0x0000000000421900-memory.dmp
memory/3008-27-0x0000000000400000-0x00000000004AA000-memory.dmp
memory/4548-0-0x000000000047A000-0x000000000047B000-memory.dmp
memory/4548-1-0x0000000000400000-0x0000000000492000-memory.dmp
memory/4548-23-0x0000000000400000-0x0000000000492000-memory.dmp
memory/6012-16-0x0000000000400000-0x00000000004AA000-memory.dmp
memory/6012-29-0x0000000000400000-0x00000000004AA000-memory.dmp