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Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2024, 05:24

General

  • Target

    4d739f388e6c419f7a9921e7ebed2806.exe

  • Size

    108KB

  • MD5

    4d739f388e6c419f7a9921e7ebed2806

  • SHA1

    790d22ec116bef03768e6e3a80ccb4ad0a8e199e

  • SHA256

    8feac925008ab1d2cef9258c93687131223d65c129e94d75356890e6450f9ae6

  • SHA512

    fa3e46451508995b2baa67b8da68a91d7b0904f156c8601214055970175edf582978b275330659e930a4b4c8f2d0db2aab2d5413d410dbf678ad388c4217f0b6

  • SSDEEP

    3072:X/oGZiJ11Yn3VVbMq+cfg3eNssucg7J6vD:X/osODYn3VVbMCggEYvD

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d739f388e6c419f7a9921e7ebed2806.exe
    "C:\Users\Admin\AppData\Local\Temp\4d739f388e6c419f7a9921e7ebed2806.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c net stop sharedaccess
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\net.exe
        net stop sharedaccess
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2056
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop sharedaccess
          4⤵
            PID:1640
      • C:\WINDOWS\Fonts\uctdate.exe
        "C:\WINDOWS\Fonts\uctdate.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Windows\Fonts\uctdate.exe

      Filesize

      44KB

      MD5

      8abde00f602025b7d5b4147571cbbe7f

      SHA1

      910fa81ee799cd59c3d8b7c2e98a7150e75a1272

      SHA256

      990dbdc3bdef9007e876cb492d0c3673ea8aa13e7c64d553bc1d47a942a35b8f

      SHA512

      17f014218b4a8d988c36c5f3c57f9adb082e4eb80f81f1e793d168898d5891cb41012fe6fbf81a5f811f0b72ffc289c295334225bfe4a168ac5a933ab0e60c44

    • memory/2104-0-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2104-13-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB