Analysis

  • max time kernel
    93s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 07:54

General

  • Target

    d715164fc64b9f31ebe381a498d6b7a4d759468ef7e1c3760740e2504ba66011.dll

  • Size

    232KB

  • MD5

    ddf8bb80956cf7550ffbf672a462c5d9

  • SHA1

    0d062df57a8ac820764ca5bf0dcd1827b88b152c

  • SHA256

    d715164fc64b9f31ebe381a498d6b7a4d759468ef7e1c3760740e2504ba66011

  • SHA512

    a42673c8f733da151acdaa8ab28d0cedd531061cc386a6bf2b8276ff3bfb239362e5886e993b2feb4ea9fcf747d4e0e69ecb21f2a45c4b90fa683b967ce89dc6

  • SSDEEP

    3072:zgGSj/14efdVipm8Sqioag+/BOVdJwFqw1vFJs9suBK1FUMbRZ1Diwq3:zgBjN4oZOVjsAAFUMbXswq3

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d715164fc64b9f31ebe381a498d6b7a4d759468ef7e1c3760740e2504ba66011.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d715164fc64b9f31ebe381a498d6b7a4d759468ef7e1c3760740e2504ba66011.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Windows\SysWOW64\rundll32Srv.exe
        C:\Windows\SysWOW64\rundll32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1664
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3632
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3632 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 664
        3⤵
        • Program crash
        PID:2224
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3408 -ip 3408
    1⤵
      PID:1596

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

      Filesize

      471B

      MD5

      77f9653fa64f382075a75a06f6817ce0

      SHA1

      f28cd7c2a4909fe6fcda36043f7577ca2c1f74d1

      SHA256

      9645d4fe322c6336789821189541946c466d71afcc31d2e7346862a23dc2f1de

      SHA512

      f0f0c084283cdc847a7f2b5b91aab105e21688a0c3d090117a6420b0f2942cc6002953add42b1557c2142516de5f84c0a170639aab56a90ea6eba326ce7ddbc9

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

      Filesize

      404B

      MD5

      aa7cc481a56889f35cf445310a904fe7

      SHA1

      2c519087fbade3e5c2899bc1cd4ad64ab3db0435

      SHA256

      45667653a53627970246979d8cde4b51aa36c1bd36772e91be02eaed4b647d4c

      SHA512

      1052dcb49c45525de21ce0e4a10017b1e1b3bbc4c90765cf017ecb0ed5ceed904bbd9c8ad18c281ea7901441285e39c7f62bb897b637f9434056deb6228564cd

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Windows\SysWOW64\rundll32Srv.exe

      Filesize

      55KB

      MD5

      ff5e1f27193ce51eec318714ef038bef

      SHA1

      b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

      SHA256

      fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

      SHA512

      c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

    • memory/1636-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1636-5-0x0000000000480000-0x000000000048F000-memory.dmp

      Filesize

      60KB

    • memory/1636-7-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1636-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1664-18-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1664-16-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1664-17-0x0000000002260000-0x0000000002261000-memory.dmp

      Filesize

      4KB

    • memory/1664-19-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3408-21-0x0000000010000000-0x0000000010040000-memory.dmp

      Filesize

      256KB

    • memory/3408-0-0x0000000010000000-0x0000000010040000-memory.dmp

      Filesize

      256KB