Analysis

  • max time kernel
    85s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:49

General

  • Target

    2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe

  • Size

    477KB

  • MD5

    43cf0139c044da09f7e3d0028e5a8040

  • SHA1

    b3b9fa1474fbca2bc3e105c2dda4d2e5d3daa099

  • SHA256

    2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28

  • SHA512

    66363288d7c663e8c5a6f0a8f16401ce847f8834db7f06764f7e8c517c2d01725dafe51d224bbf2e6b1967b1d12c1d81a8cdd4f9160c850aef424430d4b8b7a3

  • SSDEEP

    6144:KcXH5OIeQrVpJzvkwprLE7dGKVBAbOKGIy/5h8xOBT63WB99+4:KcJOkrV3XnZKVBA6KGISDic99

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe
    "C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
      C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:980
      • 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:1040
        • 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:2024
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2024 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1704

Network

MITRE ATT&CK Enterprise v6

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

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\6XXAPE6S.txt

    Filesize

    608B

    MD5

    f1f600cad3e116b410b4f402938d1414

    SHA1

    bdd6ae1177e05f10ddc7137fbcc57171bade4a38

    SHA256

    4001407d78079d7e99ced297f9917666f630a0869cb8b98bf4cc22785b58023e

    SHA512

    f418429cdb97236ec800bb14b38f74b0baaa93238c6fe941f08ea1ec64303b80632d6fed4023171215afd8b42ad4ce61909f3c7bb04ad331879b01b156d4c917

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

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Users\Admin\AppData\Local\Temp\2ac64b3778ace2f0fc43a59152d29bfb5f9c32692f3ab21bab8a44214d8eba28Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/980-56-0x0000000000000000-mapping.dmp

  • memory/980-64-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1040-62-0x0000000000000000-mapping.dmp

  • memory/1040-67-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1932-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB

  • memory/1932-59-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB