Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
03/01/2025, 14:21
General
- Target JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe
- Size 122KB
- Sample250103-rn2ecsylav
- SHA256 df7318494453d01b13cbe49c83c1227fdb6df7243a7c9c0ed7d933f264a6a237
Malware Config
Signatures
- Njrat family
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 35 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d42f6a51d9c3c0e8a4c056feba67b20.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\iexplorer.exe"C:\Users\Admin\AppData\Local\Temp\iexplorer.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\iexplorer.exe" "iexplorer.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
iexplorer.exe
memory/2328-0-0x0000000075452000-0x0000000075453000-memory.dmp
memory/2328-1-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2328-2-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2328-16-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2484-15-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2484-17-0x0000000075450000-0x0000000075A01000-memory.dmp
memory/2484-18-0x0000000075450000-0x0000000075A01000-memory.dmp