Analysis

  • max time kernel
    94s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 08:31

General

  • Target

    MedicareSign/astrct.dll

  • Size

    1.7MB

  • MD5

    59b0561cc13e47a3d7be7947e9b8a4cf

  • SHA1

    172663ab62e420cbd46983f5dfacac3b550cdb4f

  • SHA256

    e12baf2c64aed23a6d324fd553d5722e5d5d03d50676a0afe97c4090df3cb7c2

  • SHA512

    35d3a4739176c81c5e339c5b64411cd0cbb24b2343792e2af302a585b984c158140a20050fd8015a4d49c2a69bbd31aad82a4f58e8279611ec262499dab6bd41

  • SSDEEP

    49152:NSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSvSSSSSSSSSSSSSSSlwwwwwwwwwwwwww1:NSSSSSSSSSSSSSSSSSSSSSSSSSSSSSST

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\MedicareSign\astrct.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MedicareSign\astrct.dll,#1
      2⤵
        PID:4392
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 636
          3⤵
          • Program crash
          PID:620
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4392 -ip 4392
      1⤵
        PID:796

      Network

      MITRE ATT&CK Matrix

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      Downloads