Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2023 14:19

General

  • Target

    4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe

  • Size

    977KB

  • MD5

    f000ca9522aafa0c54b863528228a43b

  • SHA1

    c636e88b9e8079ba086f5cdb132fa39e747d0f23

  • SHA256

    4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3

  • SHA512

    ccbb478d676a3c6f1355ab30933196c5bf41b64b613e8efe661546c238700ce2aec340390af9069c303a43bc7c4f41400c418920041cf4967c6e02b272ef372d

  • SSDEEP

    24576:2ZcgQmXNGZQFXu+pcUKR9ZS2hWN8ow/hvdY/:2ZBgZRZUwJ

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 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\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
    "C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe
      "C:\Users\Admin\AppData\Local\Temp\4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
          PID:5052
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
          • Adds Run key to start application
          PID:3028
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          3⤵
            PID:4560
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            3⤵
            • Adds Run key to start application
            PID:4348

      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\Local\bbc\bbc.exe
        Filesize

        977KB

        MD5

        f000ca9522aafa0c54b863528228a43b

        SHA1

        c636e88b9e8079ba086f5cdb132fa39e747d0f23

        SHA256

        4f1923485e8cdd052467d335a6384f93cd1d50b5d927aea471e56290be29ffa3

        SHA512

        ccbb478d676a3c6f1355ab30933196c5bf41b64b613e8efe661546c238700ce2aec340390af9069c303a43bc7c4f41400c418920041cf4967c6e02b272ef372d

      • memory/2976-137-0x0000000013140000-0x0000000013B93000-memory.dmp
        Filesize

        10.3MB

      • memory/2976-140-0x0000000013140000-0x0000000013B93000-memory.dmp
        Filesize

        10.3MB

      • memory/2976-141-0x0000000013140000-0x0000000013B93000-memory.dmp
        Filesize

        10.3MB

      • memory/2976-142-0x0000000013140000-0x0000000013B93000-memory.dmp
        Filesize

        10.3MB

      • memory/4440-133-0x0000000002400000-0x0000000002401000-memory.dmp
        Filesize

        4KB

      • memory/4440-134-0x0000000000400000-0x00000000004FF000-memory.dmp
        Filesize

        1020KB

      • memory/4440-139-0x0000000000400000-0x00000000004FF000-memory.dmp
        Filesize

        1020KB