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Analysis

  • max time kernel
    138s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/11/2023, 01:14

General

  • Target

    NEAS.a10b99f3098986f1c7fab84ab000d5c0.exe

  • Size

    200KB

  • MD5

    a10b99f3098986f1c7fab84ab000d5c0

  • SHA1

    3fe10ad2e426e38e0231d856e2ce864d8988bb5c

  • SHA256

    9496ec23a33b546888ae5cfd2dfa0460aba9d32b225ecb5159c25564a22633b3

  • SHA512

    89719c81923fc15c9629ed76108bb3dbc274525662c295fd9eedc8140769a39200156dec11e3dd5867f4f12ab90076d25cc2054704676173465f168c9621b668

  • SSDEEP

    3072:xpML+sLi9YCM3Ji+nx/x7yuOW6zDXxhktTBsYzQzaMuEPguUYGXgUB7u:DmVO965i+nxZ7yuOl0tTKPXuZudG1B7u

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.a10b99f3098986f1c7fab84ab000d5c0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.a10b99f3098986f1c7fab84ab000d5c0.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 396
      2⤵
      • Program crash
      PID:1692
    • C:\Users\Admin\AppData\Local\Temp\NEAS.a10b99f3098986f1c7fab84ab000d5c0.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.a10b99f3098986f1c7fab84ab000d5c0.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:3988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 372
        3⤵
        • Program crash
        PID:880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3096 -ip 3096
    1⤵
      PID:3764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3988 -ip 3988
      1⤵
        PID:3084

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\NEAS.a10b99f3098986f1c7fab84ab000d5c0.exe

        Filesize

        200KB

        MD5

        ddac479c7933870fee1d768e3a956cfc

        SHA1

        774e39934a67e10912209d674a2ce869d66891fa

        SHA256

        c1bd4898bda6c28900964ece3fbb5b88b54c385f57d389c09e3934addd230f23

        SHA512

        0e62088e9dd56e40159156fadf9001a3937be695ef9aec61ba62a5f31c32c4e2764b6cadb363f78db2d95d2ad867c30dcb3dd97dd5d02c181ced133d2dda8e63

      • memory/3096-0-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/3096-6-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/3988-7-0x0000000000400000-0x000000000043F000-memory.dmp

        Filesize

        252KB

      • memory/3988-8-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3988-10-0x00000000015E0000-0x000000000161F000-memory.dmp

        Filesize

        252KB