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Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 20:58

General

  • Target

    49bf33f0b08d37da284f8639c1f00055.exe

  • Size

    40KB

  • MD5

    49bf33f0b08d37da284f8639c1f00055

  • SHA1

    3695046661213ba96b279bea83aabde19ec1a03f

  • SHA256

    50c4981ce9e9bf59c4618e173962dba774131dcbd0822ea2a7126ecf4856b194

  • SHA512

    53999c4ea4852bdfce596624b5fce5df1ede2435399cefb0845d23e3c84c1ad284e62e31abf0119efdb9d829fe03123d5eb16132eaa729731a98e5d86c1313db

  • SSDEEP

    192:/TBBdaStRucohNosFOX0GPGJnelDwyX9rUX:/TjMFhNosYHGJUDwyXRUX

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jaja

C2

127.0.0.1:442

Mutex

74caf6ac20895d0081b0f902a5e18339

Attributes
  • reg_key

    74caf6ac20895d0081b0f902a5e18339

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49bf33f0b08d37da284f8639c1f00055.exe
    "C:\Users\Admin\AppData\Local\Temp\49bf33f0b08d37da284f8639c1f00055.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
      2⤵
        PID:2716
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2924
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe" "aspnet_compiler.exe" ENABLE
          3⤵
          • Modifies Windows Firewall
          PID:3004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2164-18-0x0000000073E60000-0x000000007440B000-memory.dmp

      Filesize

      5.7MB

    • memory/2164-19-0x0000000073E60000-0x000000007440B000-memory.dmp

      Filesize

      5.7MB

    • memory/2164-20-0x0000000004390000-0x00000000043D0000-memory.dmp

      Filesize

      256KB

    • memory/2164-22-0x0000000004390000-0x00000000043D0000-memory.dmp

      Filesize

      256KB

    • memory/2164-34-0x0000000073E60000-0x000000007440B000-memory.dmp

      Filesize

      5.7MB

    • memory/2924-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2924-27-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-29-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-25-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-32-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-23-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-35-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-37-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2924-38-0x0000000074700000-0x0000000074CAB000-memory.dmp

      Filesize

      5.7MB

    • memory/2924-39-0x0000000074700000-0x0000000074CAB000-memory.dmp

      Filesize

      5.7MB

    • memory/2924-40-0x0000000074700000-0x0000000074CAB000-memory.dmp

      Filesize

      5.7MB

    • memory/2924-41-0x0000000074700000-0x0000000074CAB000-memory.dmp

      Filesize

      5.7MB