Analysis

  • max time kernel
    146s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 02:31

General

  • Target

    719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b.exe

  • Size

    1.4MB

  • MD5

    fd9433444004d326b35128f6ab7502c7

  • SHA1

    af0f10c2ce7d1d083a17654740475a697232a074

  • SHA256

    719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b

  • SHA512

    5b1c12d645c91eb73ba7ada105f0dea1f80cb4d4143712958d31bc6e337d3aa93c4151ee14afed1c7d5d0eb4b01c7a912bb264081e2191de7905c4d30ef4ad72

  • SSDEEP

    24576:8EqTh1sbKKx578K0wRpzeXrI/DYqCJ/lFATG7u258n86SERxpGwWDMKTF:8ErRxRDYpAa7uVn86SEWDM

Malware Config

Extracted

Family

bandook

C2

iamgood.blogdns.net

Signatures

  • Bandook RAT

    Bandook is a remote access tool written in C++ and shipped with a loader written in Delphi.

  • Bandook payload 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b.exe
    "C:\Users\Admin\AppData\Local\Temp\719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b.exe
      "C:\Users\Admin\AppData\Local\Temp\719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
          PID:1324
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
          • Adds Run key to start application
          PID:1800
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
            PID:1784
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            3⤵
            • Adds Run key to start application
            PID:556

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\KLMS\klim.exe

        Filesize

        1.4MB

        MD5

        fd9433444004d326b35128f6ab7502c7

        SHA1

        af0f10c2ce7d1d083a17654740475a697232a074

        SHA256

        719a937b69a64a9f145107ee9353a8e07f5e75ec7c4ae8e1b4aaa339fca3e16b

        SHA512

        5b1c12d645c91eb73ba7ada105f0dea1f80cb4d4143712958d31bc6e337d3aa93c4151ee14afed1c7d5d0eb4b01c7a912bb264081e2191de7905c4d30ef4ad72

      • memory/1372-55-0x0000000013140000-0x0000000013B93000-memory.dmp

        Filesize

        10.3MB

      • memory/1372-57-0x0000000013140000-0x0000000013B93000-memory.dmp

        Filesize

        10.3MB

      • memory/1372-58-0x000000001314966B-mapping.dmp

      • memory/1372-61-0x0000000013140000-0x0000000013B93000-memory.dmp

        Filesize

        10.3MB

      • memory/1372-62-0x0000000013140000-0x0000000013B93000-memory.dmp

        Filesize

        10.3MB

      • memory/1372-63-0x0000000013140000-0x0000000013B93000-memory.dmp

        Filesize

        10.3MB

      • memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

        Filesize

        8KB