Analysis

  • max time kernel
    135s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:57

General

  • Target

    $PLUGINSDIR/EstUrl.dll

  • Size

    181KB

  • MD5

    ab6fc99aec69b6caa3566eaa1dbab451

  • SHA1

    1f6aad7e7ad4469707a873a3d549f44eceacc516

  • SHA256

    d924b3f323cbb9c81292c84b1e8e768ae9e25f1cc35f3aa775b0c5100eabb39b

  • SHA512

    b126e18f8738c5b6379818e79ac46b359e6afad60c4ae530d5d01649ab09e93b38574c46b4cfc33813a6723b6a257aececadcc07dd62382532037e65e1539aad

  • SSDEEP

    3072:hB+veiBP1HaqoGjjLiuTAzaejI7YvnLu3ScsHASI5dOHo:qve0oGjJ/tsHfI

Score
3/10

Malware Config

Signatures

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EstUrl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\EstUrl.dll,#1
      2⤵
        PID:8
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 632
          3⤵
          • Program crash
          PID:932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 8 -ip 8
      1⤵
        PID:3556

      Network

      MITRE ATT&CK Matrix

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      Downloads