Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231023-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
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reg_key
42d82235021803987819516749789f45
-
splitter
|'|'|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 1 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 31 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\60002A9357146ACE35DC5E636FAEDF0B.exe"C:\Users\Admin\AppData\Local\Temp\60002A9357146ACE35DC5E636FAEDF0B.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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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
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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
twunk_16.exe
twunk_16.exe
twunk_16.exe
memory/4052-3-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4052-4-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4052-5-0x0000000000DF0000-0x0000000000E00000-memory.dmp
memory/4052-0-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4052-2-0x0000000000DF0000-0x0000000000E00000-memory.dmp
memory/4052-1-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4052-16-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4492-15-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4492-17-0x0000000074950000-0x0000000074F01000-memory.dmp
memory/4492-19-0x0000000074950000-0x0000000074F01000-memory.dmp