Analysis

  • max time kernel
    112s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 00:03

General

  • Target

    28c326b41f7444f0ef934c42f68062d0N.exe

  • Size

    70KB

  • MD5

    28c326b41f7444f0ef934c42f68062d0

  • SHA1

    285efba59f75405fad4d4260b6ac071942cd3c2a

  • SHA256

    010046a0226f6aee95c339c91042829ace861106a4711c626ac5664bbfe2c4ab

  • SHA512

    0a3c4e75b14de8518ecf7944ecc63c7a59541ab18f9d5d426795f5e344543b8650cc874cd09e48fbe9cded61b076110e150ed938cdcaa99016140e2bd87f95ce

  • SSDEEP

    1536:RpJf7lEfNqUbyrrj57sXFjcXaIJjxK4jYUW:TJlK6kFYxxK4jYJ

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\28c326b41f7444f0ef934c42f68062d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\28c326b41f7444f0ef934c42f68062d0N.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:1672
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:1604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2788
        • 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:1316
        • 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:2900
        • 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:2212
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:2932
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\28c326b41f7444f0ef934c42f68062d0N.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:2724
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\28c326b41f7444f0ef934c42f68062d0N.exe
        2⤵
        • Modifies registry class
        PID:2888
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\28c326b41f7444f0ef934c42f68062d0N.exe
        2⤵
        • Modifies registry class
        PID:2756
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\28c326b41f7444f0ef934c42f68062d0N.exe
        2⤵
        • Modifies registry class
        PID:2784

    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

      70KB

      MD5

      734e9d3b90145cca35e8ad550e977dc1

      SHA1

      bce4e39ae6827900c1e4802377e4f6769e1f9416

      SHA256

      261c27b780993a8b7f6b1934dc27cad3690bbc9faf250986b3d44d773b655d76

      SHA512

      9af16d1abcc69fc11247aefcfbf428b35180634f7fdddce24f7d9cc54e03b5e6229a634a76fcd1aaedd964d06354d5f587531dd3da97cca94a9487e1b0bb8b94

    • memory/1672-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1672-1066-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB