Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 04:34

General

  • Target

    eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe

  • Size

    126KB

  • MD5

    0fa6bdafab779e2a36ef87db5219229b

  • SHA1

    e8d481bbfee3a1c6a45d3f672f996cfd59c042b5

  • SHA256

    eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7

  • SHA512

    4d1be03ea7f8bd1c60282597f7a2cbe592fbf6390f497808eae1dff82b5b5800a77991fa9d7e038862a3a852b95ad5d97e3359eca054b2984d0c165e63a5a970

  • SSDEEP

    3072:tLLVpImRqLOUph/3FhIvLwV9jqPEEhHdKk:FLVpOjvg8VxqcETJ

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 7 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe
    "C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
      C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:660
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2648
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2604
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2604 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    471B

    MD5

    b9b9f42ce6d2b20bf169d05480d239d4

    SHA1

    32b094cc2ff79f07fcd68d585846b919bc350e4d

    SHA256

    4d16bb8c9a34d4de9d39bb5f0e87095617b5ad551112db17b38b6cb752fbdae4

    SHA512

    36b45c544439c6b1fab4c2fa58712475a65ad467e3da61086c4a953d6587d35f5c6ae7de740863295ae0d3534cbf67d0bed6843d95b6786b50431bfeebcf1010

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

    Filesize

    404B

    MD5

    098dac61b850f697187bd1124f5a9b0c

    SHA1

    34765f327b9944f80d066b98a1bf63341062a17c

    SHA256

    979ac48883cdb8013dabbec6a75b7ad15c6951c800e942e48cb3702ee5bb97d1

    SHA512

    bb665165f67627f57fd116aa5489b209b0e872a6937a4b409b1331946c382bb00704d080b30947294e7cb931b245dfca82865f827294bfd6926a28b1596ade1f

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2IX84YPE\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\eef68e025ef63426f5438cccc9ea7ad2c8f64a4916b3756b533eb0e5852ebaa7Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/660-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/660-6-0x00000000005A0000-0x00000000005AF000-memory.dmp

    Filesize

    60KB

  • memory/660-5-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2648-15-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2648-14-0x00000000005B0000-0x00000000005B1000-memory.dmp

    Filesize

    4KB

  • memory/2648-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2648-11-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4680-18-0x0000000000A60000-0x0000000000A84000-memory.dmp

    Filesize

    144KB

  • memory/4680-0-0x0000000000A60000-0x0000000000A84000-memory.dmp

    Filesize

    144KB