Analysis

  • max time kernel
    150s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:48

General

  • Target
    3e472f9bb6ff7d05c153d332dd2deb6e56631c4e85472a8c04a140ca18e46b13.exe
  • Size 126KB
  • Sample201109-ppxdxthd6s
  • SHA256 3e472f9bb6ff7d05c153d332dd2deb6e56631c4e85472a8c04a140ca18e46b13
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e472f9bb6ff7d05c153d332dd2deb6e56631c4e85472a8c04a140ca18e46b13.exe
    "C:\Users\Admin\AppData\Local\Temp\3e472f9bb6ff7d05c153d332dd2deb6e56631c4e85472a8c04a140ca18e46b13.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Users\Admin\AppData\Local\Temp\servernj.exe
      "C:\Users\Admin\AppData\Local\Temp\servernj.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\servernj.exe" "servernj.exe" ENABLE
        3⤵
          PID:1392

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/984-4-0x00000000059B0000-0x00000000059B1000-memory.dmp

          memory/984-0-0x0000000073310000-0x00000000739FE000-memory.dmp

          memory/984-5-0x0000000005F50000-0x0000000005F51000-memory.dmp

          memory/984-6-0x0000000005A50000-0x0000000005A51000-memory.dmp

          memory/984-7-0x0000000005980000-0x0000000005981000-memory.dmp

          memory/984-8-0x0000000005C70000-0x0000000005C71000-memory.dmp

          memory/984-9-0x00000000090E0000-0x00000000090E6000-memory.dmp

          memory/984-3-0x0000000005800000-0x0000000005809000-memory.dmp

          memory/984-1-0x0000000000F50000-0x0000000000F51000-memory.dmp

          memory/1296-13-0x0000000073310000-0x00000000739FE000-memory.dmp