Analysis

  • max time kernel
    406s
  • max time network
    422s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    02/08/2023, 23:39

General

  • Target

    Common Files/Common.dll

  • Size

    224KB

  • MD5

    9fbd11d7b43d9c8a96fbcb15bae1f978

  • SHA1

    f1e6925731a4c437bd07e3f9ad4d63854e602ee5

  • SHA256

    870d629095dffc8085358572393936e722416e22a610f524b1857c3ae9b66593

  • SHA512

    6ec05b74552db8265de6fd56d659606c802b79c08d9cbe3f7e135d47cfbf24ea98e9fdf2d1e2c753ae109f7bc3df61dd2a82e9b6d7dca805bc0df2b8f5dbd79d

  • SSDEEP

    3072:ibGkND9kmQEIgnb6eMg6xYQ88hY0mYBfLuRE6FzUvCEcNgorwEseDFACJ:iSJrElb6w8bBfLubUvCtgQwEseK0

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\Common Files\Common.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Common Files\Common.dll",#1
      2⤵
        PID:4756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 672
          3⤵
          • Program crash
          PID:1648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4756 -ip 4756
      1⤵
        PID:884

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/4756-133-0x0000000000FC0000-0x0000000000FD9000-memory.dmp

        Filesize

        100KB

      • memory/4756-134-0x0000000002970000-0x000000000299F000-memory.dmp

        Filesize

        188KB

      • memory/4756-136-0x00000000029A0000-0x0000000002FA9000-memory.dmp

        Filesize

        6.0MB

      • memory/4756-138-0x0000000002FB0000-0x0000000003589000-memory.dmp

        Filesize

        5.8MB

      • memory/4756-140-0x0000000003590000-0x000000000359D000-memory.dmp

        Filesize

        52KB