Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2024 10:40

General

  • Target

    5056dbbeb3d8b87beaa23d5f8761b686.exe

  • Size

    192KB

  • MD5

    5056dbbeb3d8b87beaa23d5f8761b686

  • SHA1

    a989943ce6984ef47dcc1c87c2734f36ec754252

  • SHA256

    fd5d266804443af0603bde2579991b662604575985be1543c30c9000c0332c6b

  • SHA512

    0701698a734730c7e5254e817b6ff9f05c92e7717f27d890ab0b99deda81c227418a435669d1721a67538e0d0384086f1a2827fb9c91453eed00d80bd2795384

  • SSDEEP

    3072:8/Foc0Cbqss/3ssA3rHqRlS3YDdAN1SVaNZTFLl5Vbt8V7Wdfwn1nbmuBXrDmQI:Bc/sA3rKfSoDdA/BlFLD78V7Wdfwn1nm

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 40 IoCs
  • Modifies registry class 60 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5056dbbeb3d8b87beaa23d5f8761b686.exe
    "C:\Users\Admin\AppData\Local\Temp\5056dbbeb3d8b87beaa23d5f8761b686.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • \??\c:\Program FilesZZG5A1.exe
      "c:\Program FilesZZG5A1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Program Files\Internet Explorer\IEXPLORE.exe
        "C:\Program Files\Internet Explorer\IEXPLORE.exe" http://dl.kanlink.cn:1287/CPAdown/vplay.php
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1460 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2040
      • C:\Program Files\Internet Explorer\IEXPLORE.exe
        "C:\Program Files\Internet Explorer\IEXPLORE.exe" http://dl.kanlink.cn:1287/CPAdown/PPTV(pplive)_forjieku_977.html
        3⤵
        • Modifies Internet Explorer settings
        PID:1948
    • C:\Windows\SysWOW64\WScript.Exe
      WScript.Exe jies.bak.vbs
      2⤵
      • Deletes itself
      PID:3944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program FilesZZG5A1.exe

    Filesize

    36KB

    MD5

    9a441a4ba162c2389848db6e4eb0cc50

    SHA1

    72a4dde027589d86076daf741edbed706ed8bc16

    SHA256

    65836965541217a8eee21fc0454e9aa7e034e9ef514818dbed8b21f2298bd66e

    SHA512

    4e5771882300acf9128a3b00c2fa50efa8bd125fd6e024fbdbc2a58716b39975e1cdc084824f8d8c310f6d7ccfbae563e35cceb06f9a7938d644a6dca7f931a3

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verD1A8.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0SGFK56Z\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\jies.bak.vbs

    Filesize

    422B

    MD5

    45c63a0dec71086d754931b3aca289cc

    SHA1

    78527ce5aeef3f6d6b94d8f826f0ef4c06281e40

    SHA256

    d00061907a8963b63e5abfff07a51108c05308dd2d0faa03775d1f751d11b2ed

    SHA512

    2377d0d044a438f577005942cf952b993320231297123a96ef3c514fbe95ec24582daf3b44f5b7622a0ac19164834073f4dd4da606528c95dafa5a732bfef39f