Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 22:48

General

  • Target

    afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734.exe

  • Size

    1002KB

  • MD5

    66e7fff4370f216117c1ab836b43f320

  • SHA1

    68571b2e855fcaf068f73730ac10675128b4f217

  • SHA256

    afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734

  • SHA512

    fe7f11cd216d8be8833f7d99686e94e9d6134772cab878cdef756a2c199fff8f26d88efa108dbc9356ef330a6eeff57a9c90cef80b94da59a16d3210b9ab926c

  • SSDEEP

    24576:dlFlrWrVnrfUEEAXU7PcOeLqkVsD7s/Xl2y:dlKBfTSPcOeLtsnsvl1

Malware Config

Extracted

Family

bandook

C2

192.168.31.1

Signatures

  • Bandook RAT

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

  • Bandook payload 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734.exe
    "C:\Users\Admin\AppData\Local\Temp\afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Users\Admin\AppData\Local\Temp\afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734.exe
      "C:\Users\Admin\AppData\Local\Temp\afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
          PID:3768
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
          • Adds Run key to start application
          PID:1248
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
            PID:4556
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            3⤵
            • Adds Run key to start application
            PID:1652

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\LKM\lkm.exe
        Filesize

        1002KB

        MD5

        66e7fff4370f216117c1ab836b43f320

        SHA1

        68571b2e855fcaf068f73730ac10675128b4f217

        SHA256

        afebfd81e9d3e416598a34053ad27703a1b3a70c1a316d0dab62c51a4d05c734

        SHA512

        fe7f11cd216d8be8833f7d99686e94e9d6134772cab878cdef756a2c199fff8f26d88efa108dbc9356ef330a6eeff57a9c90cef80b94da59a16d3210b9ab926c

      • memory/1068-132-0x0000000000000000-mapping.dmp
      • memory/1068-133-0x0000000013140000-0x0000000013B94000-memory.dmp
        Filesize

        10.3MB

      • memory/1068-135-0x0000000013140000-0x0000000013B94000-memory.dmp
        Filesize

        10.3MB

      • memory/1068-136-0x0000000013140000-0x0000000013B94000-memory.dmp
        Filesize

        10.3MB

      • memory/1068-137-0x0000000013140000-0x0000000013B94000-memory.dmp
        Filesize

        10.3MB