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Analysis

  • max time kernel
    149s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 13:31

General

  • Target

    ntldll.dll

  • Size

    1.6MB

  • MD5

    8e94d1896c0f3bc78111efafe42aab6b

  • SHA1

    b304833a43f451a36cfe02df21c34777062804e0

  • SHA256

    09998574899bb40e8e846b8a8cdf8d89b9cf26195ebe503c0bb74e28f940dfaa

  • SHA512

    0f0a112537f96fae6cd2a95013424b1e67cd2f38c4d7436508243e3a5872a5e228d54f205a7134dc11d8924ffd2e688ca3893d69af9327237d3e33a601235abc

  • SSDEEP

    24576:4EbQEIwDIxw8+b5GXPPL3BC4IyKe6DkjLqx5N4ox1K85EEr8ZXngFd0Lh8ok3Ja:4Jzvw8+gXPPdCTylf+xrKEEEqXdjkQ

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ntldll.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ntldll.dll,#1
      2⤵
        PID:2328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 648
          3⤵
          • Program crash
          PID:1180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 2328
      1⤵
        PID:2120

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2328-133-0x0000000002D40000-0x00000000046F4000-memory.dmp

        Filesize

        25.7MB

      • memory/2328-134-0x0000000002D40000-0x00000000046F4000-memory.dmp

        Filesize

        25.7MB