Analysis

  • max time kernel
    142s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 06:12

General

  • Target

    三国魂战魂/unrar.dll

  • Size

    81KB

  • MD5

    5ffcd122278699aadf24308c843fa969

  • SHA1

    f9ddd27acfd3df56d1d1de6577f2bf2db71e475e

  • SHA256

    c5b9b208bc010e97d40dcce59d6375ce91aa5b754e5623d99091f30382b3f811

  • SHA512

    56f200113db4cdabc71e517e50d3358eba1047a64c71bc4c2c69351c11ffb79a3a2d890f6c4034cd608bd06105db7c01cf2e0d55a47b39942b72553ff90b23b0

  • SSDEEP

    1536:Fj2/RqGwe/iJdmPcy7tLc2TP50c7r/ULcj8uLw6iBmsxl+rMIzsLdtQUEm1G7h:FjkKe/iJdmPNJTT7/8ludiZcZzsZyUEv

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\三国魂战魂\unrar.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\三国魂战魂\unrar.dll,#1
      2⤵
        PID:1424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 612
          3⤵
          • Program crash
          PID:4588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1424 -ip 1424
      1⤵
        PID:3472

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/1424-133-0x0000000000000000-mapping.dmp
      • memory/1424-134-0x0000000074FE0000-0x000000007502E000-memory.dmp
        Filesize

        312KB

      • memory/1424-135-0x0000000074FE0000-0x000000007502E000-memory.dmp
        Filesize

        312KB