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
    08-01-2025 02:57

General

  • Target

    e2653d551a0e1756ffe48974a89b2f68130de9c47a5b5d3b30ead6907fdeb6fd.dll

  • Size

    240KB

  • MD5

    9adaf688344adb332c627033be9a6a50

  • SHA1

    09717ced4134733d1d4432075d4a54c8fd21b0f5

  • SHA256

    e2653d551a0e1756ffe48974a89b2f68130de9c47a5b5d3b30ead6907fdeb6fd

  • SHA512

    c0b6132b70ca697bc361006f83089e4c88b0e1d0dede8312d82425b3ca5cc2b8a8666f510a1abe54f420dda819e565d7d6d41148f8d0447ac004dfe2fe96f718

  • SSDEEP

    3072:zNm5KCdK5ribuwfF1Kn2qHVSNEJLtWuCIXWZdz2t6e9532seOn4QrlA05TaUjqt/:Zm5KsKZU7f8VwNQ09IGZdhivYUaneDu

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\e2653d551a0e1756ffe48974a89b2f68130de9c47a5b5d3b30ead6907fdeb6fd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2653d551a0e1756ffe48974a89b2f68130de9c47a5b5d3b30ead6907fdeb6fd.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3868
      • 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:4936
        • 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:3892
          • 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:4160
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4160 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 648
        3⤵
        • Program crash
        PID:4708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3868 -ip 3868
    1⤵
      PID:456

    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

      d04487ea873e59ddefea38775dcec895

      SHA1

      f8e33f29c997bdfeefbb2e6429cbfd6431cdd71d

      SHA256

      985fa533b7805324c794c285f21264c5bdde1fd4025de0a3621308f50d91dba5

      SHA512

      1f99fefad95792abee1e0bbc7b4286c4202ef6152494f3da1cabf78dc57cd98bb639485846bf0c3fbed700e746f9da70e54894f5d77e6659c967444531a6664c

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

      Filesize

      404B

      MD5

      4c8620adaa725fc7ca7cff47d76fbad7

      SHA1

      a1940682ab54ad36134eb031b750457e43ff7a16

      SHA256

      b3468a44b8689de131465e5a3de900779c2334fa9bb2ee92b8ff7744e70b03b5

      SHA512

      d02cb0b385392e6a295b20858b04d6c1441c6f8fe6f1721c1a240d6c314cabd8ef7e36ec466e59558eb58ffb8f794268e6667abc2755c1d718844c4925a914a3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\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/3868-0-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3868-19-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3892-17-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3892-14-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/3892-15-0x0000000000570000-0x0000000000571000-memory.dmp

      Filesize

      4KB

    • memory/3892-16-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4936-12-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4936-4-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/4936-5-0x0000000000550000-0x000000000055F000-memory.dmp

      Filesize

      60KB

    • memory/4936-6-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB