Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/02/2024, 16:38

General

  • Target

    malzero/tools/openssl/api-ms-win-crt-utility-l1-1-0.dll

  • Size

    18KB

  • MD5

    d6abf5c056d80592f8e2439e195d61ac

  • SHA1

    33f793fd6a28673e766ad11ee1cf8eb8ef351bc0

  • SHA256

    8858d883d180cea63e3bf4a3f5bc9e0f9fa16c9a35a84c4efe65308cea13a364

  • SHA512

    6678f17f2274aabba5279ba40a0159ff8a54241d811845a48d845172f4aa6f7397cfd07bf2368299a613df1f3ff12e06c0e62c26683dfb08d82122609c3a3f62

  • SSDEEP

    192:XY9fHQduPWVghW/EgbXH9YOCAs/nGfe4pBjSfbxaWNArXVWQ4mW0qnajMHxxBNTM:ef5W2hWcgbCA0GftpBjuYDlI663UD

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\malzero\tools\openssl\api-ms-win-crt-utility-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\api-ms-win-crt-utility-l1-1-0.dll,#1
      2⤵
        PID:4916

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads