Analysis

  • max time kernel
    161s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 20:31

General

  • Target

    NEAS.912f31f1e6843049a60deeed9b55d230.exe

  • Size

    88KB

  • MD5

    912f31f1e6843049a60deeed9b55d230

  • SHA1

    d3ffee4d986daad884b6d84d1192ca2e1605516b

  • SHA256

    229516ad939be1796bc12c825ac6ea47c213b0de78dd4b85d30cb6ea39728a4d

  • SHA512

    55f8a3d9a5e6edfb529440adc38b7dd739d98117fb2c718c9b6a800f16b9b645784a8533e02e762751dd0ce503fc9f762af4316a55dbdb200b3bf899fe4179c8

  • SSDEEP

    1536:8h7xsCKosi5pzjIcdRiTpqMGxs3Ph7xsCKosi5pzjIcdRiTpqMGxs3Go:8EhWbcpqIPEhWbcpqIT

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 Program Files directory 64 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe
      2⤵
        PID:2180
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies registry class
        PID:1888
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies registry class
        PID:1160
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies registry class
        PID:4280
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\NEAS.912f31f1e6843049a60deeed9b55d230.exe
        2⤵
        • Modifies system executable filetype association
        • Modifies registry class
        PID:5112
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c assoc .txt = exefile
        2⤵
        • Modifies registry class
        PID:3204
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\123.bat
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4360
        • 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:3976
        • 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:4488
        • 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:1912

    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\7zFM.exe

      Filesize

      89KB

      MD5

      1a059b80c553504b875b18f169e9928e

      SHA1

      5f4b012b195c7c26ba8ed6c21ae72c987aa356d4

      SHA256

      7ca367ea5604c0dc2ee34f482451f9b8bc8e94d8e2574456c33f9ed6153b0875

      SHA512

      6f9fc3c10d21a98ca5ac8c8e02079cfdd6087a61adfac5e494dcc82e38fd0d178a15b140f1ad57fd9cc473608bdb87b5015632eab69649eec1dd444768cd48d7