Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
16/10/2026, 04:27
General
- Target jaffacakes118_Trojan-Spy.MSIL.Agent.acjf.exe
- Size 52KB
- Sample261016-e28z5sff49
- SHA256 1afd0f22b16b8c746c24d9c0dfe66bc8713c238c8c887649119ebbf3ce11f247
Malware Config
Signatures
- 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.
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 2 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.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious use of AdjustPrivilegeToken 35 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.MSIL.Agent.acjf.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Spy.MSIL.Agent.acjf.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe" ..1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create 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
server.exe
memory/832-25-0x000000001B790000-0x000000001B7A0000-memory.dmp
memory/832-22-0x0000000001210000-0x0000000001222000-memory.dmp
memory/832-21-0x000000001B790000-0x000000001B7A0000-memory.dmp
memory/1864-5-0x00000000011E0000-0x00000000011F0000-memory.dmp
memory/1864-3-0x00000000011B0000-0x00000000011C2000-memory.dmp
memory/1864-6-0x0000000001200000-0x000000000120A000-memory.dmp
memory/1864-7-0x0000000001210000-0x000000000121C000-memory.dmp
memory/1864-8-0x0000000002A60000-0x0000000002A6E000-memory.dmp
memory/1864-4-0x00000000011D0000-0x00000000011E0000-memory.dmp
memory/1864-0-0x00000000008C0000-0x00000000008D4000-memory.dmp
memory/1864-2-0x00000000011A0000-0x00000000011B2000-memory.dmp
memory/1864-1-0x0000000001190000-0x00000000011A0000-memory.dmp