Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
06/05/2024, 01:23
General
- Target 1a1b49aebf5b5801e6869732661c9a88_JaffaCakes118.exe
- Size 31KB
- Sample240506-brzryafd96
- SHA256 1b0528416f714f37819eef0f3e31d3ba32360f743e0ffdd99c187c1b041ccc55
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\1a1b49aebf5b5801e6869732661c9a88_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1a1b49aebf5b5801e6869732661c9a88_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\WindowsServices.exe"C:\Users\Admin\AppData\Roaming\WindowsServices.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.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
WindowsServices.exe
memory/1576-0-0x0000000074992000-0x0000000074993000-memory.dmp
memory/1576-1-0x0000000074990000-0x0000000074F41000-memory.dmp
memory/1576-2-0x0000000074990000-0x0000000074F41000-memory.dmp
memory/1576-12-0x0000000074990000-0x0000000074F41000-memory.dmp
memory/4664-13-0x0000000074990000-0x0000000074F41000-memory.dmp
memory/4664-14-0x0000000074990000-0x0000000074F41000-memory.dmp
memory/4664-16-0x0000000074990000-0x0000000074F41000-memory.dmp