Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 07:18

General

  • Target

    404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe

  • Size

    23KB

  • MD5

    99995ba51fe1941253e6bc5bf4f3a2d3

  • SHA1

    267dd148b5f1a6a60a586e77a715dded3fcd11f5

  • SHA256

    404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19

  • SHA512

    70a595765c112aa5ff7b2e3930f16e49e0a16d590bfb7617673588b4472e0672cc05ec8fd1109b28cf11303929d172a8deb2d2763ae6f4c6b71f57370e59ab45

  • SSDEEP

    384:poWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZI7L:+7O89p2rRpcnuFL

Malware Config

Signatures

  • Njrat family
  • 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).

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe
    "C:\Users\Admin\AppData\Local\Temp\404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    23KB

    MD5

    99995ba51fe1941253e6bc5bf4f3a2d3

    SHA1

    267dd148b5f1a6a60a586e77a715dded3fcd11f5

    SHA256

    404bb02e8d4917bbd7d49d8737aa84546edd8dcc32183e7c10a5bb61f70d7c19

    SHA512

    70a595765c112aa5ff7b2e3930f16e49e0a16d590bfb7617673588b4472e0672cc05ec8fd1109b28cf11303929d172a8deb2d2763ae6f4c6b71f57370e59ab45

  • memory/1044-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/1044-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1044-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1044-13-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-12-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-14-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/2808-15-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB