Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
04/06/2026, 19:40
General
- Target 2026-06-04_b4a8094e917283b1bd6ae303098081e5_glassworm_megazord_njrat.exe
- Size 65.0MB
- Sample260604-ydn5lsds31
- SHA256 9626d68ed6c0824bd3489c7152e54e5f8c90f121e5618db58a69382b4d2e4b62
Score
10/10
Malware Config
Extracted
Family
-
asyncrat
Version
-
0.5.8
Botnet
-
Default
Mutex
-
p7qtFjuNFL7Q
Attributes
-
delay
3
-
install
false
-
install_folder
%AppData%
-
local_host
127.0.0.1
aes.plain
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Detects file containing reversed ASEP Autorun registry keys 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 11 IoCs
- 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.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-04_b4a8094e917283b1bd6ae303098081e5_glassworm_megazord_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-04_b4a8094e917283b1bd6ae303098081e5_glassworm_megazord_njrat.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\Update\winupdate406309.exe"C:\Users\Admin\AppData\Local\Microsoft\Windows\Update\winupdate406309.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
winupdate406309.exe
PTORWN4LJK8LJ.dll
System.Collections.Concurrent.dll
System.ComponentModel.Primitives.dll
System.Diagnostics.Process.dll
System.Linq.dll
System.Memory.dll
System.Private.CoreLib.dll
System.Runtime.InteropServices.dll
System.Security.Cryptography.dll
System.Threading.dll
memory/5436-202-0x0000000000EE0000-0x0000000000EF2000-memory.dmp
memory/5436-203-0x0000000005940000-0x0000000005950000-memory.dmp
memory/5436-204-0x0000000005940000-0x0000000005950000-memory.dmp