Analysis

  • max time kernel
    52s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 11:18

General

  • Target

    8b32cf3ab22b3d774274702b9cd85940N.exe

  • Size

    45KB

  • MD5

    8b32cf3ab22b3d774274702b9cd85940

  • SHA1

    a5ee573a9a3c48c96bb30c9b0b47183ceab737d9

  • SHA256

    2aa6c7e519f87184f33f3e31fc4784e5e5e6a4ce5f6baba4937d01693a8d5d02

  • SHA512

    f0371721decbee786d45f5279415aa9669db4dba3a21b0df16b16c744240480cde1a104707d307911b0775adbf2c513cbd44f69872d96ac2d7a6f20ca78a6926

  • SSDEEP

    768:8V5hy+7c6OXdfwEQ90NoZCi5TXbRzjEDta8jFqjsZvI2YxrQiP+ZRDd+RYTl/iUW:8h7xsCKosi5pzjIcdRiTpqMGxs3G

Score
8/10

Malware Config

Signatures

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • 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\8b32cf3ab22b3d774274702b9cd85940N.exe
    "C:\Users\Admin\AppData\Local\Temp\8b32cf3ab22b3d774274702b9cd85940N.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:2824
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:2264
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1924
        • 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⤵
          • Event Triggered Execution: Image File Execution Options Injection
          PID:2948
        • 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⤵
          • Event Triggered Execution: Image File Execution Options Injection
          PID:2792
        • 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⤵
          • Event Triggered Execution: Image File Execution Options Injection
          PID:2800
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:1956
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\8b32cf3ab22b3d774274702b9cd85940N.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:1516
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\8b32cf3ab22b3d774274702b9cd85940N.exe
        2⤵
        • Modifies registry class
        PID:1948
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\8b32cf3ab22b3d774274702b9cd85940N.exe
        2⤵
        • Modifies registry class
        PID:1632
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\8b32cf3ab22b3d774274702b9cd85940N.exe
        2⤵
        • Modifies registry class
        PID:2816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\123.bat

      Filesize

      443B

      MD5

      70170ba16a737a438223b88279dc6c85

      SHA1

      cc066efa0fca9bc9f44013660dea6b28ddfd6a24

      SHA256

      d3674f4b34a8ca8167160519aa5c66b6024eb09f4cb0c9278bc44370b0efec6a

      SHA512

      37cc8c954544374d0a1ca4d012c9bd0b47781bc9bb8d0c15a8a95b9934893db3bedee867b984c20edabe54c39574abf7250de433aade6c0d544b8dd2c972c6da

    • C:\Program Files\7-Zip\7zG.exe

      Filesize

      45KB

      MD5

      966b0fe49d95e394098e203d0c4a870b

      SHA1

      3642252a56cd60d38faaeac8a1489fdfa34e1d4f

      SHA256

      c5cf73fc14410ee713b5a71c390368c4c84acb54bf8d03d26d864524109138d1

      SHA512

      dfc5e060d0652b8f3ab5c29488661a3600cb5f936a773936faceaf732f80804f86927873eaffb5c6c1d73c63e3ca64e3744d2f54c23fa7a7346cb2cf7dc6083a