Analysis
- max time kernel
148s - max time network
118s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
15/09/2026, 16:32
General
- Target jaffacakes118_e67b3e36a9f3edbb2881b6a5da61720e_JaffaCakes118.exe
- Size 165KB
- Sample260915-t16wqaxycy
- SHA256 ff7b10878ca530182f86fc431ecf71546892a20aab3d94f118c77a7a03f5c800
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_e67b3e36a9f3edbb2881b6a5da61720e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e67b3e36a9f3edbb2881b6a5da61720e_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ins7962\ins7962.exe"C:\Users\Admin\AppData\Local\Temp\ins7962\ins7962.exe" ins.exe /e9899372 /u512e4fc0-18d4-4361-bb1e-3ca05bc06f2f2⤵
- 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
ins7962.exe
memory/2524-16-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-22-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-11-0x00000000730E2000-0x00000000730E4000-memory.dmp
memory/2524-14-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-15-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-25-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-17-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-23-0x00000000730E0000-0x0000000073701000-memory.dmp
memory/2524-19-0x0000000001160000-0x0000000001170000-memory.dmp
memory/2524-20-0x00000000730E2000-0x00000000730E4000-memory.dmp
memory/2524-10-0x0000000001160000-0x0000000001170000-memory.dmp
memory/2680-18-0x0000000000400000-0x000000000047C000-memory.dmp
memory/2680-0-0x0000000000400000-0x000000000047C000-memory.dmp
memory/2680-26-0x0000000000400000-0x000000000047C000-memory.dmp