Analysis

  • max time kernel
    0s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2024, 09:55

General

  • Target

    GongShaFuZhu13/【x1】攻沙辅助/xgs/dm.dll

  • Size

    906KB

  • MD5

    faf2c7db70ec0fe4596c0395e5eb228f

  • SHA1

    bcc89bff37ac8eccd85162c44c0477f412f2c616

  • SHA256

    d003f814a6828ee02a26049407d38785262e969faeb00b6bc3179ed4fec061ae

  • SHA512

    1b0ee5731f1726cce2047800e8c8adcc725f92b3c94b0e56e9cc2d33f64e3f9e1a0356558e97b8ed80ca40ba068dc07b70f4df46f6dc62729428d05e8725828a

  • SSDEEP

    24576:DWQBeP+QrqH2zKBd3G0Ypdrcc2iIZl2mBVU89XQBpizYho1SH:DWZnGIKb20Ar8iIZfBVdXQBpuYw

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GongShaFuZhu13\【x1】攻沙辅助\xgs\dm.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\GongShaFuZhu13\【x1】攻沙辅助\xgs\dm.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:208
      • C:\Windows\SysWOW64\regsvr32Srv.exe
        C:\Windows\SysWOW64\regsvr32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:2376
  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:424 CREDAT:17410 /prefetch:2
    1⤵
      PID:1836
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:424
    • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5132

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\regsvr32Srv.exe

            Filesize

            55KB

            MD5

            ff5e1f27193ce51eec318714ef038bef

            SHA1

            b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

            SHA256

            fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

            SHA512

            c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

          • memory/208-0-0x0000000010000000-0x0000000010194000-memory.dmp

            Filesize

            1.6MB

          • memory/2376-7-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/2376-6-0x00000000006A0000-0x00000000006AF000-memory.dmp

            Filesize

            60KB

          • memory/2376-4-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/5132-13-0x0000000000570000-0x0000000000571000-memory.dmp

            Filesize

            4KB

          • memory/5132-18-0x0000000077C82000-0x0000000077C83000-memory.dmp

            Filesize

            4KB

          • memory/5132-17-0x0000000077C82000-0x0000000077C83000-memory.dmp

            Filesize

            4KB

          • memory/5132-16-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/5132-15-0x0000000000510000-0x000000000051F000-memory.dmp

            Filesize

            60KB

          • memory/5132-14-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB