Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 03:49

General

  • Target

    ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f.dll

  • Size

    25KB

  • MD5

    39924d7821cc67b6f271b4f528ec0081

  • SHA1

    0a5049b966908f164a7ddbffa55fdadab4541b39

  • SHA256

    ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f

  • SHA512

    c87cd842d35db62177d5b7c6612d0ffd3d465ae23c93435d3e09df7babf4a9bb109e6a67602b11ecbc83363f897d3d221f62f78e1ea5b61d77d59c773ede681e

  • SSDEEP

    384:Y5ot8iGdom6BmSYFznnQQxweIPZUS+2W0ZYuSQQAMyBAUA5wgQFRqwUEfcfe6rom:6risCpYlvVWZ1YuRQQ5xAREUvtf

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1864
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\khfETmmm.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:4324

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\khfETmmm.dll

            Filesize

            25KB

            MD5

            39924d7821cc67b6f271b4f528ec0081

            SHA1

            0a5049b966908f164a7ddbffa55fdadab4541b39

            SHA256

            ddd87658782244dec43b9e9fca693d4c0976496a6a8887f7f0c9f6e3516fda0f

            SHA512

            c87cd842d35db62177d5b7c6612d0ffd3d465ae23c93435d3e09df7babf4a9bb109e6a67602b11ecbc83363f897d3d221f62f78e1ea5b61d77d59c773ede681e

          • memory/1864-1-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

          • memory/1864-0-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

          • memory/1864-2-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

          • memory/1864-10-0x0000000001100000-0x0000000001112000-memory.dmp

            Filesize

            72KB

          • memory/1864-9-0x0000000001100000-0x0000000001112000-memory.dmp

            Filesize

            72KB

          • memory/1864-12-0x0000000001100000-0x0000000001112000-memory.dmp

            Filesize

            72KB

          • memory/4324-18-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

          • memory/4324-17-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

          • memory/4324-19-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB

          • memory/4324-20-0x0000000010000000-0x0000000010012000-memory.dmp

            Filesize

            72KB