Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
24/02/2024, 20:24
General
- Target 559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707.exe
- Size 23KB
- Sample240224-y6vsvsdf92
- SHA256 559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707
Malware Config
Extracted
-
njrat
-
0.7d
-
zayan1
-
65.0.50.125:22158
-
a4cbdc4b353efef9adf0da32b8aa4cb1
-
reg_key
a4cbdc4b353efef9adf0da32b8aa4cb1
-
splitter
|'|'|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 35 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707.exe"C:\Users\Admin\AppData\Local\Temp\559d282b0ba15515ba2b906da3d68f60ec4bcb0934d07d7e922f34909a378707.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\server33.exe"C:\Users\Admin\AppData\Local\Temp\server33.exe"2⤵
- 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\Local\Temp\server33.exe" "server33.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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
server33.exe
memory/640-0-0x00000000746B0000-0x0000000074C61000-memory.dmp
memory/640-1-0x00000000746B0000-0x0000000074C61000-memory.dmp
memory/640-2-0x0000000001180000-0x0000000001190000-memory.dmp
memory/640-12-0x00000000746B0000-0x0000000074C61000-memory.dmp
memory/3612-13-0x00000000746B0000-0x0000000074C61000-memory.dmp
memory/3612-14-0x00000000746B0000-0x0000000074C61000-memory.dmp
memory/3612-15-0x00000000746B0000-0x0000000074C61000-memory.dmp
memory/3612-16-0x00000000014F0000-0x0000000001500000-memory.dmp