Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2024, 12:49

General

  • Target
    abeaeb8dd0cd8943eb01e47d308ebf06.exe
  • Size 125KB
  • Sample240228-p2t64aca25
  • SHA256 e408f2940a747f830680a12bab0a22470c6b315c7acbcb190613b7b58dbda61c
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 21 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Modifies File Icons 2 IoCs
  • Modifies Shortcut Icons 2 IoCs

    Modifies/removes arrow indicator from shortcut icons.

  • Modifies registry class 51 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abeaeb8dd0cd8943eb01e47d308ebf06.exe
    "C:\Users\Admin\AppData\Local\Temp\abeaeb8dd0cd8943eb01e47d308ebf06.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies File Icons
    • Modifies Shortcut Icons
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\SysWOW64\WScript.exe
      "WScript.exe" "C:\Program Files (x86)\WinRAR\WinRAR.knl"
      2⤵
        PID:4824
      • C:\Users\Admin\AppData\Local\Temp\max2_133daohang4.exe
        "C:\Users\Admin\AppData\Local\Temp\max2_133daohang4.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4216
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Public\Desktop\Internet Explerer" /P "Admin":F /y
        2⤵
        • Executes dropped EXE
        PID:4348
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Æô¶¯ Internet Explerer ä¯ÀÀÆ÷.lnk" /P "Admin":F /y
        2⤵
        • Executes dropped EXE
        PID:1200
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Public\Desktop" /P "Admin":R /y
        2⤵
        • Executes dropped EXE
        PID:2264
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Public\Desktop" /E /G "Admin":W /y
        2⤵
        • Executes dropped EXE
        PID:3776
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Public\Desktop" /E /G "Admin":C /y
        2⤵
        • Executes dropped EXE
        PID:4188
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Public\Desktop\Internet Explerer.lnk" /d "Admin" /y
        2⤵
        • Executes dropped EXE
        PID:1584
      • C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
        C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe "C:\Users\Public\Desktop\Internet Explerer.lnk" /E /G "Admin":R /y
        2⤵
        • Executes dropped EXE
        PID:636

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          CBCD8604.exe

          • Path C:\Users\Admin\AppData\Local\Temp\CBCD8604.exe
          • Size 44KB
          • SHA256 01259b3cd50d39ca21b03af4e22a7bca2b91cf11ab4ce78661c646f08f6bce00
          • MD5 SHA1 SHA512 SSDEEP

          max2_133daohang4.exe

          • Path C:\Users\Admin\AppData\Local\Temp\max2_133daohang4.exe
          • Size 65KB
          • SHA256 72f4498744d1c856eb35028fc0fa59bf0a78b0fa833c49ead54115f08c2f3846
          • MD5 SHA1 SHA512 SSDEEP

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc4DB3.tmp\System.dll
          • Size 11KB
          • SHA256 dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3
          • MD5 SHA1 SHA512 SSDEEP

          inetc.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc4DB3.tmp\inetc.dll
          • Size 20KB
          • SHA256 e727c8bba6686c4814602f2bc089af4b4cf3498d1dbe1a08d8c4732da5ba046b
          • MD5 SHA1 SHA512 SSDEEP

          md5dll.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc4DB3.tmp\md5dll.dll
          • Size 8KB
          • SHA256 9b05dd603f13c196f3f21c43f48834208fed2294f7090fcd1334931014611fb2
          • MD5 SHA1 SHA512 SSDEEP

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc4DB3.tmp\nsExec.dll
          • Size 6KB
          • SHA256 ff00f5f7b8d6ca6a79aebd08f9625a5579affcd09f3a25fdf728a7942527a824
          • MD5 SHA1 SHA512 SSDEEP

          InetLoad2.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nso68DE.tmp\InetLoad2.dll
          • Size 21KB
          • SHA256 fcc886a8ef7575e292ef6210902581273e33047da2f3f6e0092b7887a212c2f0
          • MD5 SHA1 SHA512 SSDEEP

          Internet Explerer.lnk

          • Path C:\Users\Public\Desktop\Internet Explerer.lnk
          • Size 1KB
          • SHA256 79ac9be7021cb1e7e5541aa2172d1a11d3422b994dd90a28ddeaed2309a5f922
          • MD5 SHA1 SHA512