Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/09/2026, 04:39
General
- Target jaffacakes118_de6a15959ad8707b51a1a1d6254fb2442f2d5637f059adac1d5b561b46cae6a3.exe
- Size 1.9MB
- Sample260927-e973tayz7q
- SHA256 de6a15959ad8707b51a1a1d6254fb2442f2d5637f059adac1d5b561b46cae6a3
Malware Config
Signatures
- Family: ProRat
ProRat is a Windows RAT written in C++.
- Detects ProRat payload 17 IoCs
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
- Adds policy Run key to start application 2 TTPs 4 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- A potential corporate email address has been identified in the URL 1 IoCs
- ASPack v2.12-2.42 1 IoCs
Detects executables packed with ASPack v2.12-2.42
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 5 IoCs
- Modifies WinLogon 2 TTPs 2 IoCs
- Drops file in System32 directory 7 IoCs
- Drops file in Windows directory 7 IoCs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Runs net.exe
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_de6a15959ad8707b51a1a1d6254fb2442f2d5637f059adac1d5b561b46cae6a3.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_de6a15959ad8707b51a1a1d6254fb2442f2d5637f059adac1d5b561b46cae6a3.exe"1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\fservice.exeC:\Windows\system32\fservice.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\services.exeC:\Windows\services.exe -XP3⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- A potential corporate email address has been identified in the URL
- Executes dropped EXE
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\NET.exeNET STOP srservice4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP srservice5⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\NET.exeNET STOP navapsvc4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 STOP navapsvc5⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\jaffacakes118_de6a15959ad8707b51a1a1d6254fb2442f2d5637f059adac1d5b561b46cae6a3.exe.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
jaffacakes118_de6a15959ad8707b51a1a1d6254fb2442f2d5637f059adac1d5b561b46cae6a3.exe.bat
fservice.exe
reginv.dll
winkey.dll
memory/1816-2-0x0000000000C40000-0x0000000000C41000-memory.dmp
memory/1816-21-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/4216-23-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/4216-0-0x0000000000D80000-0x0000000000D81000-memory.dmp
memory/5484-26-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-36-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-25-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/5484-27-0x0000000010000000-0x000000001000B000-memory.dmp
memory/5484-4-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/5484-28-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-30-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-32-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-34-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-8-0x0000000010000000-0x000000001000B000-memory.dmp
memory/5484-38-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-40-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-42-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-44-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-46-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-48-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-50-0x0000000000400000-0x00000000005F8000-memory.dmp
memory/5484-52-0x0000000000400000-0x00000000005F8000-memory.dmp