Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
31/05/2024, 02:20
General
- Target 85b8ab7933e601bc83066d0779cf0274_JaffaCakes118.exe
- Size 23KB
- Sample240531-csfacscg93
- SHA256 ae27865be5b4d9c4f9294b0beaa7542223f854fabf8670ef25de89ce979192be
Malware Config
Signatures
- 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.
- Drops startup file 2 IoCs
- 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).
- Suspicious use of AdjustPrivilegeToken 35 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\85b8ab7933e601bc83066d0779cf0274_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\85b8ab7933e601bc83066d0779cf0274_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Runtime Broker.exe"C:\Users\Admin\AppData\Local\Temp\Runtime Broker.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Runtime Broker.exe" "Runtime Broker.exe" ENABLE3⤵
- Modifies Windows Firewall
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
Runtime Broker.exe
memory/3496-13-0x0000000074B50000-0x0000000075101000-memory.dmp
memory/3496-14-0x0000000074B50000-0x0000000075101000-memory.dmp
memory/3496-15-0x0000000074B50000-0x0000000075101000-memory.dmp
memory/3496-17-0x0000000074B50000-0x0000000075101000-memory.dmp
memory/3792-0-0x0000000074B52000-0x0000000074B53000-memory.dmp
memory/3792-1-0x0000000074B50000-0x0000000075101000-memory.dmp
memory/3792-2-0x0000000074B50000-0x0000000075101000-memory.dmp
memory/3792-12-0x0000000074B50000-0x0000000075101000-memory.dmp