Overview

overview

8

Static

static

MediaCreat...09.exe

windows7_x64

8

MediaCreat...09.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    02-09-2020 11:53

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General

  • Target

    MediaCreationTool1909.exe

  • Size

    18.4MB

  • MD5

    d0ba2b1c91124ee4a250c6c53f545f1f

  • SHA1

    0352292fc21c8dd442358f2ff4fa8eded01b7dca

  • SHA256

    8237794f0fffb298040ed59045b679579fa6e1b66703ec2bf5353e71499c663e

  • SHA512

    99d45e22f36f15777e789e54d6a5410a335bd344d009d863afd3c35ce53a6f4811b7e40f912b6da35725e121fff11e51a3fb9659a45a2f7701afc9ab407d7399

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 19 IoCs
  • JavaScript code in executable 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 58 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MediaCreationTool1909.exe
    "C:\Users\Admin\AppData\Local\Temp\MediaCreationTool1909.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\$Windows.~WS\Sources\SetupHost.Exe
      "C:\$Windows.~WS\Sources\SetupHost.Exe" /Download /Web
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\$Windows.~WS\Sources\DiagTrackRunner.exe
        C:\$Windows.~WS\Sources\DiagTrackRunner.exe /UploadEtlFilesOnly
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:308
  • C:\Program Files\7-Zip\7zG.exe
    "C:\Program Files\7-Zip\7zG.exe" a -i#7zMap2721:80:7zEvent27393 -t7z -seml. -sae -- "ReadConfirm.7z"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1628
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:320
    • C:\Program Files\7-Zip\7zG.exe
      "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\RestoreCompress\" -ad -an -ai#7zMap23709:88:7zEvent32457
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:560
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1032
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\UninstallExpand\" -ad -an -ai#7zMap27710:88:7zEvent24542
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1936
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\WriteDeny\" -ad -an -ai#7zMap24489:78:7zEvent20699
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:824
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\RenameMerge\" -ad -an -ai#7zMap30287:80:7zEvent16147
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1744
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" a -i#7zMap24658:80:7zEvent30606 -ad -saa -- "C:\Users\Admin\Desktop\ReadConfirm"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:280
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\ReadConfirm\" -ad -an -ai#7zMap22700:80:7zEvent2114
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1076
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\UnregisterConvert\" -ad -an -ai#7zMap7039:92:7zEvent27613
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1028
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Documents\CopyStop\" -ad -an -ai#7zMap3092:80:7zEvent6941
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1580
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Documents\ExportConvertFrom\" -ad -an -ai#7zMap5017:96:7zEvent1531
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:888
      • C:\Program Files\7-Zip\7zG.exe
        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Documents\Files\" -ad -an -ai#7zMap16214:74:7zEvent3838
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:860

      Network

      MITRE ATT&CK Enterprise v6

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