Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
12/10/2026, 23:51
General
- Target jaffacakes118_Backdoor.Win32.Bifrose.fxv.exe
- Size 91KB
- Sample261012-3wfcmsfe95
- SHA256 748d12726765dd96df5b7cf71bfcaeec890f7a9d4f5505c387dcc70940949e8c
Score
5/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 1 IoCs
- 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 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Bifrose.fxv.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Bifrose.fxv.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Bifrose.fxv.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Bifrose.fxv.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2552-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2552-5-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2552-6-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2552-8-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3288-9-0x000000007FFF0000-0x000000007FFF7000-memory.dmp
memory/3288-10-0x000000007FFD0000-0x000000007FFD1000-memory.dmp
memory/4728-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4728-7-0x0000000000400000-0x0000000000410000-memory.dmp