Analysis

  • max time kernel
    191s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2023 21:29

General

  • Target

    NEAS.b3f2134f96f805f0689064040af619f0.dll

  • Size

    71KB

  • MD5

    b3f2134f96f805f0689064040af619f0

  • SHA1

    457c1a5b44efa85d83a274338587b3111f92a700

  • SHA256

    be435e68230b757d9af29b505491ac9e690c9755e08e2bd6310059bc333436d2

  • SHA512

    d6dcc502b75e607a5efe245d88abe63cda41bb6025780b66f0cbf7c637ea0afed22dd61e188f788a0d238fc924037b7fdf1b43c342ba39503b32400b780d6f27

  • SSDEEP

    768:pdGvJuh5Zve0szqVzvM+SzdGHGv8x7NjoUIjCmca9Fuhcm19IGuVlugWIuzjL3dv:pchqZGzEMhMt+0a9ghrY2jR/oxq

Score
3/10

Malware Config

Signatures

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b3f2134f96f805f0689064040af619f0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b3f2134f96f805f0689064040af619f0.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1140
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 628
        3⤵
        • Program crash
        PID:864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 628
        3⤵
        • Program crash
        PID:4572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1140 -ip 1140
    1⤵
      PID:1180

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1140-0-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB