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Analysis

  • max time kernel
    93s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2024, 09:23

General

  • Target

    6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe

  • Size

    1.4MB

  • MD5

    6706a3d1fb79cc02ef9817c0f77331cd

  • SHA1

    36cab5ee9e17753b9e8f301032ffeb5b971e3a59

  • SHA256

    6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055

  • SHA512

    a20400372de0e8683a7dcc17dfd1a27d0c54c822bc3debe2a4b1f8db1c1114c20a0554966e62611c1f4b8f62a0a099a4a08f0ec3267d426fffce68d863657e35

  • SSDEEP

    24576:EpU3n5+rG/LzOaLahrD8hcrHhjN/NnMTkKPZ6WSocKEsO:8UXMuXOhrgh+HnoZ6WJct9

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • 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
  • 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 8 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe
    "C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
      C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2712
        • 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:184
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:184 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2136

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

    2d1847b341a938389fc5b14b0bcd9eb2

    SHA1

    4036e71c4002e7ee173d59dc84a9cb5aa1390d34

    SHA256

    275c7427c6238d335e521a313e6cff2357b16e645202f11e3433cd56539ccc32

    SHA512

    384e910821ee8b786f70b5358f120cb3aea47f0e50d1f5c6e4c7304435c7d88f2c5ac9027c73823916149a369ac1c7640c18b13db8e6ee740c963e1b8bd51428

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

    Filesize

    404B

    MD5

    a58e50c13b9a278f7bee0e86a3c33297

    SHA1

    cc2a5976e14f19bf7f135d0323485fe8b2e02aa3

    SHA256

    cb3dfe705d30b0f5ea4c4f46fb82af5a2300c1d261db23ffebd56fe31054c656

    SHA512

    c4c611c4d4c02a2a31d4baa9cfdafdd59766c3cff4987b089d1a5552e313a50e5a54b2d302950a35504307d0dd4c3c91f150fd10b0ff70c8692a8245f19274e7

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\6f3d6bce14407fbc12d6a7372a988c06bd84e1d44dea8ed6b4c4bf77947c7055Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/1340-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1340-6-0x0000000002040000-0x000000000204F000-memory.dmp

    Filesize

    60KB

  • memory/1340-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2712-14-0x0000000000530000-0x0000000000531000-memory.dmp

    Filesize

    4KB

  • memory/2712-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2712-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2712-13-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/5020-18-0x0000000000400000-0x000000000056D000-memory.dmp

    Filesize

    1.4MB

  • memory/5020-0-0x0000000000400000-0x000000000056D000-memory.dmp

    Filesize

    1.4MB