Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/06/2024, 02:09

General

  • Target

    a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.exe

  • Size

    60KB

  • MD5

    be56cc5ab8b2ae1bfb1fc14960f778d3

  • SHA1

    5bd5f15424d54905c04eaf3d538683aa9c027811

  • SHA256

    a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664

  • SHA512

    4fd17498f6a39c5df092d61a34840cde0343892b5a31613e6bb0ba5c92fa3218533a5629732c80330444979815bcf9477bdf8057100980637a0fb34e49b1b2fc

  • SSDEEP

    768:Qm4kwuTqyGB68bG3wldi1rPgMWe/aRQEGe/HxcDNzHudMWIYjmY44m4m4m4PUwc:Qmt9TqyorbGgldi5FWCaRQPe/Rc1jUUr

Score
8/10

Malware Config

Signatures

  • Sets file execution options in registry 2 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\a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.exe
    "C:\Users\Admin\AppData\Local\Temp\a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.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:1912
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:2872
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2940
        • 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⤵
          • Sets file execution options in registry
          PID:3060
        • 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⤵
          • Sets file execution options in registry
          PID:2280
        • 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⤵
          • Sets file execution options in registry
          PID:3012
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:2916
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:448
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.exe
        2⤵
        • Modifies registry class
        PID:2888
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.exe
        2⤵
        • Modifies registry class
        PID:2076
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\a4c01430bde25f181f5d9cab27c2e4b2b8235507c24f4c11ad8d4436d374c664.exe
        2⤵
        • Modifies registry class
        PID:2992

    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

      60KB

      MD5

      811d59d9439acf452038bc2cf469a9f0

      SHA1

      5b81b2e6dd93d65177fea9059aa0ac635966227d

      SHA256

      358dc3a19ccd14f1209e1c306dbd2de2b024457bc7d09f33981e9ec092a9b007

      SHA512

      d7d1db56e7c877f1cebfdd2e5f5feaa8c27556ebfc5b7e8e61a9ecd9f63f1f4725cc295bec6aabba0f3926c2011b9b40a37bfc37a6fc03036db6cdf7965f7354

    • memory/1912-0-0x0000000000400000-0x000000000041D000-memory.dmp

      Filesize

      116KB

    • memory/1912-1071-0x0000000000400000-0x000000000041D000-memory.dmp

      Filesize

      116KB