Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-07-2021 17:35

General

  • Target

    d3e7b5be903eb9a596b9b2b78e5dd28390c6aadb8bdd4ea1ba3d896d99fa0057.exe

Malware Config

Signatures

  • Bandook Payload 2 IoCs
  • Bandook RAT

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

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3e7b5be903eb9a596b9b2b78e5dd28390c6aadb8bdd4ea1ba3d896d99fa0057.exe
    "C:\Users\Admin\AppData\Local\Temp\d3e7b5be903eb9a596b9b2b78e5dd28390c6aadb8bdd4ea1ba3d896d99fa0057.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1728
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Adds Run key to start application
      PID:1616
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
        PID:1016
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
          PID:872

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1728-62-0x0000000013140000-0x0000000013CEB000-memory.dmp

        Filesize

        11.7MB

      • memory/1948-60-0x0000000075511000-0x0000000075513000-memory.dmp

        Filesize

        8KB

      • memory/1948-61-0x0000000000230000-0x0000000000231000-memory.dmp

        Filesize

        4KB