Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/09/2026, 16:27
General
- Target jaffacakes118_e652e39f2dc22013cc283cd15144a176_JaffaCakes118.exe
- Size 165KB
- Sample260915-tyd3xszdpg
- SHA256 909a7baf2a54eeef953afd02628444bf53240e5ec812ba963fa0b289e8e43f94
Malware Config
Signatures
- Family: Firseria
Firseria a downloader/adware written in C++.
- Detects Firseria 2 IoCs
- Executes dropped EXE 1 IoCs
- Drops desktop.ini file(s) 2 IoCs
- Drops file in Windows directory 3 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.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e652e39f2dc22013cc283cd15144a176_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e652e39f2dc22013cc283cd15144a176_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ins6470\ins6470.exe"C:\Users\Admin\AppData\Local\Temp\ins6470\ins6470.exe" ins.exe /e640 /u4d488269-6268-4c29-b4c2-79305bc06ebe2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ins6470.exe
memory/1676-0-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1676-22-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1676-18-0x0000000000400000-0x000000000047C000-memory.dmp
memory/1868-16-0x00000000733F0000-0x0000000073A11000-memory.dmp
memory/1868-15-0x00000000733F0000-0x0000000073A11000-memory.dmp
memory/1868-14-0x00000000733F0000-0x0000000073A11000-memory.dmp
memory/1868-17-0x00000000733F0000-0x0000000073A11000-memory.dmp
memory/1868-11-0x00000000733F2000-0x00000000733F4000-memory.dmp
memory/1868-19-0x0000000001170000-0x0000000001180000-memory.dmp
memory/1868-20-0x00000000733F2000-0x00000000733F4000-memory.dmp
memory/1868-21-0x00000000733F0000-0x0000000073A11000-memory.dmp
memory/1868-10-0x0000000001170000-0x0000000001180000-memory.dmp