Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    23-12-2021 05:00

General

  • Target

    tmp/8e31c82b-d24e-4913-ba99-28556fc235b7_z.exe

  • Size

    89KB

  • MD5

    bf23f92ee8ce0bfa063f5fc4dcce2e3b

  • SHA1

    b6d9a583a74c9bdaadb7b3049f9a2ba331c99195

  • SHA256

    25e00dc8e1093e41bfe3ee6db1c3171039f3ead9628825da82847dd28b3838bf

  • SHA512

    68b9ba60a3e91eb096f5c3680da2bc04204ca590b4292d4421fe1ed6069efb7d4c7391c5b2774d295c1a144ba09aeebd0891d82caa8912e7cb4a9cbeeb8b5c31

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\8e31c82b-d24e-4913-ba99-28556fc235b7_z.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\8e31c82b-d24e-4913-ba99-28556fc235b7_z.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tmp\8e31c82b-d24e-4913-ba99-28556fc235b7_z.exe" "8e31c82b-d24e-4913-ba99-28556fc235b7_z.exe" ENABLE
      2⤵
        PID:1632

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1632-56-0x0000000000000000-mapping.dmp

    • memory/1712-54-0x0000000076421000-0x0000000076423000-memory.dmp

      Filesize

      8KB

    • memory/1712-55-0x00000000003A0000-0x00000000003A1000-memory.dmp

      Filesize

      4KB