Analysis
- max time kernel
91s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
21/01/2025, 16:19
General
- Target JaffaCakes118_05dc61097a763e7aff9e6d4e43f31477.exe
- Size 7.3MB
- Sample250121-tsrf3asphj
- SHA256 0b6db0cbd5af09eba2eea7a3145f468ca190a1db48905df96a28acddb96efb67
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 8 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 11 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- NSIS installer 2 IoCs
- Modifies Internet Explorer settings 1 TTPs 3 IoCs
- Modifies Internet Explorer start page 1 TTPs 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05dc61097a763e7aff9e6d4e43f31477.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05dc61097a763e7aff9e6d4e43f31477.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\TempImg\Installer.exeC:\Users\Admin\AppData\Local\TempImg\Installer.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
-
-
C:\Program Files (x86)\Wallpaper Rotator\WallpaperRotator.exe"C:\Program Files (x86)\Wallpaper Rotator\WallpaperRotator.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
IrisSkin2.dll
SingleInstance.dll
WallpaperRotator.exe
user.config
user.config
Installer.exe
vcheck.exe
ExecDos.dll
InstallOptions.dll
System.dll
iOClean.ini
iOClean.ini
ioSpecial.ini
memory/4576-239-0x00007FFB47160000-0x00007FFB47B01000-memory.dmp
memory/4576-240-0x000000001B680000-0x000000001BB4E000-memory.dmp
memory/4576-241-0x000000001B0D0000-0x000000001B16C000-memory.dmp
memory/4576-238-0x00007FFB47160000-0x00007FFB47B01000-memory.dmp
memory/4576-243-0x0000000000AB0000-0x0000000000AB8000-memory.dmp
memory/4576-246-0x0000000000A90000-0x0000000000A98000-memory.dmp
memory/4576-237-0x000000001AFC0000-0x000000001B02C000-memory.dmp
memory/4576-248-0x000000001C5B0000-0x000000001C639000-memory.dmp
memory/4576-236-0x00007FFB47415000-0x00007FFB47416000-memory.dmp
memory/4576-259-0x00007FFB47160000-0x00007FFB47B01000-memory.dmp