Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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 23:44

General

  • Target

    MultiMC/zlib1.dll

  • Size

    73KB

  • MD5

    c7d4d685a0af2a09cbc21cb474358595

  • SHA1

    b784599c82bb90d5267fd70aaa42acc0c614b5d2

  • SHA256

    e96b397b499d9eaa3f52eaf496ca8941e80c0ad1544879ccadf02bf2c6a1ecfc

  • SHA512

    fed2c126a499fae6215e0ef7d76aeec45b60417ed11c7732379d1e92c87e27355fe8753efed86af4f58d52ea695494ef674538192fac1e8a2a114467061a108b

  • SSDEEP

    1536:+4nToIf2W/nkQRZHaamLQHoIOah7Vryh7IO4cZlIXw6Epb:bTBfHdRZH9mLQHuaBVGn4FXw6E1

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\MultiMC\zlib1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\zlib1.dll,#1
      2⤵
        PID:1744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 600
          3⤵
          • Program crash
          PID:4512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1744 -ip 1744
      1⤵
        PID:680

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/1744-0-0x0000000061B80000-0x0000000061B98000-memory.dmp

        Filesize

        96KB