Analysis

  • max time kernel
    137s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    16-05-2021 00:21

General

  • Target

    7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe

  • Size

    88KB

  • MD5

    b9fd952b27bc30f2561efbd2b2919ec7

  • SHA1

    a8066d045f15b399bd1cb684b687537f56eb703f

  • SHA256

    7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db

  • SHA512

    55d9eee46fedf05e33a64a66382a26903140c25a55500adbbab1a4f87cae530abe9a1da98a4f5b61a0a9d10835fc883f21eba438e00e1c907edd3e5848fafd7e

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 12 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe
    "C:\Users\Admin\AppData\Local\Temp\7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:1464
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1348
        • C:\Windows\SysWOW64\reg.exe
          reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\ZhuDongFangYu.exe" /v debugger /t reg_sz /d "ntsd -d" /f
          3⤵
            PID:756
          • C:\Windows\SysWOW64\reg.exe
            reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\360tray.exe" /v debugger /t reg_sz /d "ntsd -d" /f
            3⤵
              PID:304
            • C:\Windows\SysWOW64\reg.exe
              reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\taskmgr.exe" /v debugger /t reg_sz /d "ntsd -d" /f
              3⤵
                PID:568
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c assoc .txt = exefile
              2⤵
              • Modifies registry class
              PID:828
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe
              2⤵
              • Modifies registry class
              PID:1532
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe
              2⤵
              • Modifies system executable filetype association
              • Modifies registry class
              PID:1568
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe
              2⤵
              • Modifies registry class
              PID:288
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\7148ca8cc9041482682156ca16a1e83eba1333e16f41e80e522363a55ff2a0db.exe
              2⤵
              • Modifies registry class
              PID:524

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/828-72-0x00000000753B1000-0x00000000753B3000-memory.dmp

            Filesize

            8KB