Analysis

  • max time kernel
    0s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2024, 09:55

General

  • Target

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

  • Size

    84KB

  • MD5

    a2d61eff3148f2c70404927c0146306e

  • SHA1

    cd9f8247d726a9b437a49a5824dbad9b1a6928a7

  • SHA256

    7f5183494801b0b4314fe387589b7d5d41e03025dff3dde70f7c7e09723ef5c1

  • SHA512

    d2eff12a8baa1911ec2f28c43243afb7fcbbe3e6cdeb799364db95089fd370dc8f30b49c7ea3eb81ae4b846e29860428a84c96497ecdb1f5f928200605fc5e00

  • SSDEEP

    1536:I2FWCT03n3KYFcZvi5/0LI6LdEavoWZpEkt/Edm50E:lFWCT03n3KyyqmJFbpEOE0C

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 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 6 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\SysWOW64\regsvr32.exe
    /s C:\Users\Admin\AppData\Local\Temp\GongShaFuZhu13\【x1】攻沙辅助\xgs\RegDll.dll
    1⤵
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3584
    • C:\Windows\SysWOW64\regsvr32Srv.exe
      C:\Windows\SysWOW64\regsvr32Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:3612
  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\GongShaFuZhu13\【x1】攻沙辅助\xgs\RegDll.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5040
  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4216 CREDAT:17410 /prefetch:2
    1⤵
      PID:464
    • 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:4216
    • 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:2696

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

            Filesize

            55KB

            MD5

            ff5e1f27193ce51eec318714ef038bef

            SHA1

            b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

            SHA256

            fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

            SHA512

            c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

          • C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

            Filesize

            4KB

            MD5

            da597791be3b6e732f0bc8b20e38ee62

            SHA1

            1125c45d285c360542027d7554a5c442288974de

            SHA256

            5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

            SHA512

            d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8D1Z5HG5\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • memory/2696-14-0x0000000000570000-0x0000000000571000-memory.dmp

            Filesize

            4KB

          • memory/2696-16-0x00000000770C2000-0x00000000770C3000-memory.dmp

            Filesize

            4KB

          • memory/2696-15-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/2696-17-0x00000000770C2000-0x00000000770C3000-memory.dmp

            Filesize

            4KB

          • memory/2696-19-0x0000000000550000-0x000000000055F000-memory.dmp

            Filesize

            60KB

          • memory/2696-40-0x0000000000550000-0x000000000055F000-memory.dmp

            Filesize

            60KB

          • memory/2696-11-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/3584-0-0x0000000010000000-0x0000000010016000-memory.dmp

            Filesize

            88KB

          • memory/3612-4-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB

          • memory/3612-8-0x0000000000660000-0x000000000066F000-memory.dmp

            Filesize

            60KB

          • memory/3612-6-0x0000000000400000-0x000000000042E000-memory.dmp

            Filesize

            184KB