Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/09/2026, 16:32
General
- Target jaffacakes118_e67a10b15cb6cc09b5d131758a57032a_JaffaCakes118.exe
- Size 164KB
- Sample260915-t14flaxybs
- SHA256 e1e7fbd2a3161c4b8b4226f13a548afa0ee527e322883c57989b012e9964ca6d
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_e67a10b15cb6cc09b5d131758a57032a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e67a10b15cb6cc09b5d131758a57032a_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ins8054\ins8054.exe"C:\Users\Admin\AppData\Local\Temp\ins8054\ins8054.exe" ins.exe /e10284336 /u4d48823a-b8b4-4f4d-b72e-794a5bc06ebe2⤵
- 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
ins8054.exe
memory/1364-10-0x0000000001900000-0x0000000001910000-memory.dmp
memory/1364-11-0x0000000073422000-0x0000000073424000-memory.dmp
memory/1364-14-0x0000000073420000-0x0000000073A41000-memory.dmp
memory/1364-15-0x0000000073420000-0x0000000073A41000-memory.dmp
memory/1364-16-0x0000000073420000-0x0000000073A41000-memory.dmp
memory/1364-18-0x0000000073420000-0x0000000073A41000-memory.dmp
memory/4100-0-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4100-17-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4100-19-0x0000000000400000-0x000000000047C000-memory.dmp