Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 21:37

General

  • Target

    c34be82d4d26914808ef38f10338c6dc66da3179e70319a2362c387f770b288fN.exe

  • Size

    64KB

  • MD5

    ab351ab86e32f9936c7943a397eba860

  • SHA1

    b11324109a190f06c068cc36d8972abd6f96fbf6

  • SHA256

    c34be82d4d26914808ef38f10338c6dc66da3179e70319a2362c387f770b288f

  • SHA512

    a8934e43aa1ae58ba07885419904cfada12b5ef99093b74d775c8993f5c32a8c413ea1af88ebf8e983c10e1ebd7daf2acba45d0e917365415f64de15e13055dc

  • SSDEEP

    768:t+w1rw9MVg/KgUA1M69FSXOfsJ8LpG8K78AQdc/LPNX2iFJNgl:x/td4toX+sJqA8K78AiKzNrJNgl

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Cleno

C2

arabchat24.servemp3.com:3461

Mutex

3a89e7585d94d684ad793985a8f8b48e

Attributes
  • reg_key

    3a89e7585d94d684ad793985a8f8b48e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c34be82d4d26914808ef38f10338c6dc66da3179e70319a2362c387f770b288fN.exe
    "C:\Users\Admin\AppData\Local\Temp\c34be82d4d26914808ef38f10338c6dc66da3179e70319a2362c387f770b288fN.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Roaming\Notepad.exe
      "C:\Users\Admin\AppData\Roaming\Notepad.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Notepad.exe" "Notepad.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Notepad.exe

    Filesize

    64KB

    MD5

    ab351ab86e32f9936c7943a397eba860

    SHA1

    b11324109a190f06c068cc36d8972abd6f96fbf6

    SHA256

    c34be82d4d26914808ef38f10338c6dc66da3179e70319a2362c387f770b288f

    SHA512

    a8934e43aa1ae58ba07885419904cfada12b5ef99093b74d775c8993f5c32a8c413ea1af88ebf8e983c10e1ebd7daf2acba45d0e917365415f64de15e13055dc

  • memory/2636-0-0x000007FEF4EB3000-0x000007FEF4EB4000-memory.dmp

    Filesize

    4KB

  • memory/2636-1-0x0000000000EF0000-0x0000000000F04000-memory.dmp

    Filesize

    80KB

  • memory/2636-2-0x00000000007A0000-0x00000000007AC000-memory.dmp

    Filesize

    48KB

  • memory/2636-3-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

    Filesize

    9.9MB

  • memory/2636-9-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

    Filesize

    9.9MB

  • memory/2788-10-0x0000000000A20000-0x0000000000A34000-memory.dmp

    Filesize

    80KB

  • memory/2788-11-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

    Filesize

    9.9MB

  • memory/2788-12-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

    Filesize

    9.9MB

  • memory/2788-14-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

    Filesize

    9.9MB

  • memory/2788-15-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

    Filesize

    9.9MB