Analysis
- max time kernel
150s - max time network
135s - platform
windows7_x64 - resource
win7-20231025-en - resource tags
- submitted
28/10/2023, 16:46
General
- Target 60002A9357146ACE35DC5E636FAEDF0B.exe
- Size 48KB
- Sample231028-t9ylpscd21
- SHA256 fa448e36486c632887c7c71e09596263ecefd1531f7977c7bb08471f08be8275
Malware Config
Extracted
-
njrat
-
0.7d
-
VIP MOD CRACK
-
volkatv500.sytes.net:999
-
42d82235021803987819516749789f45
-
reg_key
42d82235021803987819516749789f45
-
splitter
|'|'|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 1 TTPs 1 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\60002A9357146ACE35DC5E636FAEDF0B.exe"C:\Users\Admin\AppData\Local\Temp\60002A9357146ACE35DC5E636FAEDF0B.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\twunk_16.exe"C:\Users\Admin\AppData\Roaming\twunk_16.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\Roaming\twunk_16.exe" "twunk_16.exe" ENABLE3⤵
- Modifies Windows Firewall
-
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
42d82235021803987819516749789f45.exe
twunk_16.exe
twunk_16.exe
twunk_16.exe
memory/2468-0-0x0000000074FF0000-0x000000007559B000-memory.dmp
memory/2468-1-0x0000000074FF0000-0x000000007559B000-memory.dmp
memory/2468-2-0x0000000000990000-0x00000000009D0000-memory.dmp
memory/2468-11-0x0000000074FF0000-0x000000007559B000-memory.dmp
memory/2468-10-0x0000000074FF0000-0x000000007559B000-memory.dmp
memory/2660-12-0x0000000074FF0000-0x000000007559B000-memory.dmp
memory/2660-13-0x0000000000540000-0x0000000000580000-memory.dmp
memory/2660-15-0x0000000074FF0000-0x000000007559B000-memory.dmp