Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    23-12-2021 05:03

General

  • Target

    tmp/ecba483f-91b4-48f5-bdb9-4e928a6107c2_w.exe

  • Size

    23KB

  • MD5

    253c0a7c550a95472eb3e94bdc958597

  • SHA1

    7d0c637530af513dfa2beb7106414717520fd38b

  • SHA256

    fcfa50ca0d4dcf2bb6e96e7b7a223138068f2d6a458d2630757e3bcbe0684aaa

  • SHA512

    c183bda213fb008f8fc431183dbf4b7c1fb70b0bcf423205a3beea0399848ddaa75142692e386d8dfb8e61549b84ed59cb12a39151ae8b49629189f279d389e8

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 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\ecba483f-91b4-48f5-bdb9-4e928a6107c2_w.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\ecba483f-91b4-48f5-bdb9-4e928a6107c2_w.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tmp\ecba483f-91b4-48f5-bdb9-4e928a6107c2_w.exe" "ecba483f-91b4-48f5-bdb9-4e928a6107c2_w.exe" ENABLE
      2⤵
        PID:3420

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3336-115-0x0000000002320000-0x0000000002321000-memory.dmp

      Filesize

      4KB

    • memory/3420-116-0x0000000000000000-mapping.dmp