Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
18/07/2026, 14:02
General
- Target ThirdClient.exe
- Size 70KB
- Sample260718-rch4msgv6y
- SHA256 cf27cbef76ddf911ee4cf376d1107d1f12a5d4b5e53f5505a73cde10aa88ee5f
Malware Config
Extracted
-
asyncrat
-
ThirdReichRAT
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ThirdRAT
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xXxaa-55919.portmap.host:55919
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79I2guVhqez2
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delay
3
-
install
false
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install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
- Async RAT payload 1 IoCs
- Detects DonutLoader 2 IoCs
- Executes dropped EXE 1 IoCs
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Start PowerShell.
- 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.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 38 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ThirdClient.exe"C:\Users\Admin\AppData\Local\Temp\ThirdClient.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\jfreqe.exe"' & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\Admin\AppData\Local\Temp\jfreqe.exe"'3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jfreqe.exe"C:\Users\Admin\AppData\Local\Temp\jfreqe.exe"4⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
-
-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004FC 0x00000000000005001⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
jfreqe.exe
memory/1332-7-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/1332-1-0x00007FFAC183F000-0x00007FFAC1840000-memory.dmp
memory/1332-0-0x0000000000330000-0x0000000000348000-memory.dmp
memory/1332-4-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/4456-14-0x0000000003C00000-0x0000000003C0C000-memory.dmp
memory/4456-6-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/4456-5-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/4456-8-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/4456-11-0x0000000003E80000-0x0000000003EF6000-memory.dmp
memory/4456-12-0x0000000003BD0000-0x0000000003BDE000-memory.dmp
memory/4456-13-0x0000000003C10000-0x0000000003C2E000-memory.dmp
memory/4456-3-0x0000000003BB0000-0x0000000003BC2000-memory.dmp
memory/4456-2-0x0000000003A40000-0x0000000003A51000-memory.dmp
memory/6580-22-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-20-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-19-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-21-0x0000028CA7320000-0x0000028CA7342000-memory.dmp
memory/6580-23-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-24-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-25-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-26-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-16-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-31-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6580-30-0x00007FFAC16B0000-0x00007FFAC2054000-memory.dmp
memory/6728-33-0x0000000004A40000-0x0000000004AD2000-memory.dmp
memory/6728-32-0x0000000000020000-0x000000000006E000-memory.dmp