Analysis
- max time kernel
148s - max time network
89s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/09/2026, 16:49
General
- Target jaffacakes118_e701c8dbd6f57e6114dbcd1f289c355d_JaffaCakes118.exe
- Size 165KB
- Sample260915-vbzxjsvv9p
- SHA256 45cbb8f02e60b25c0f2d342e0e047e7da0d8a32e76a93b8712810c36116f9bb9
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_e701c8dbd6f57e6114dbcd1f289c355d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e701c8dbd6f57e6114dbcd1f289c355d_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ins3324\ins3324.exe"C:\Users\Admin\AppData\Local\Temp\ins3324\ins3324.exe" ins.exe /e4551189 /u5061b323-884c-423e-99eb-0a5a5bc06f2f2⤵
- 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
ins3324.exe
memory/2292-0-0x0000000000400000-0x000000000047C000-memory.dmp
memory/2292-25-0x0000000000400000-0x000000000047C000-memory.dmp
memory/2292-17-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4400-16-0x00000000730B0000-0x00000000736D1000-memory.dmp
memory/4400-15-0x00000000730B0000-0x00000000736D1000-memory.dmp
memory/4400-14-0x00000000730B0000-0x00000000736D1000-memory.dmp
memory/4400-11-0x00000000730B2000-0x00000000730B4000-memory.dmp
memory/4400-18-0x0000000000EE0000-0x0000000000EF0000-memory.dmp
memory/4400-19-0x00000000730B2000-0x00000000730B4000-memory.dmp
memory/4400-21-0x00000000730B0000-0x00000000736D1000-memory.dmp
memory/4400-22-0x00000000730B0000-0x00000000736D1000-memory.dmp
memory/4400-24-0x00000000730B0000-0x00000000736D1000-memory.dmp
memory/4400-10-0x0000000000EE0000-0x0000000000EF0000-memory.dmp