Analysis

  • max time kernel
    133s
  • max time network
    146s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-07-2024 19:22

General

  • Target

    UltimMC/zlib1.dll

  • Size

    73KB

  • MD5

    c7d4d685a0af2a09cbc21cb474358595

  • SHA1

    b784599c82bb90d5267fd70aaa42acc0c614b5d2

  • SHA256

    e96b397b499d9eaa3f52eaf496ca8941e80c0ad1544879ccadf02bf2c6a1ecfc

  • SHA512

    fed2c126a499fae6215e0ef7d76aeec45b60417ed11c7732379d1e92c87e27355fe8753efed86af4f58d52ea695494ef674538192fac1e8a2a114467061a108b

  • SSDEEP

    1536:+4nToIf2W/nkQRZHaamLQHoIOah7Vryh7IO4cZlIXw6Epb:bTBfHdRZH9mLQHuaBVGn4FXw6E1

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\zlib1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\zlib1.dll,#1
      2⤵
        PID:2304

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads