Analysis

  • max time kernel
    144s
  • max time network
    148s
  • 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-environment-l1-1-0.dll

  • Size

    18KB

  • MD5

    45c54a21261180410091cefb23f6a5ae

  • SHA1

    80eee466d086d30c61eaefc559d57e5e64f56f61

  • SHA256

    2b0fea07db507b7266346eab3ca7ede3821876aadc519daf059b130b85640918

  • SHA512

    4962f85c94162fe2e35979fff4e4b3752f322c61d801419769916f5e3a0e0c406284d95c22709c690212d4572eb688d9311a8f85f17c4f5d1a5a9f00e732808c

  • SSDEEP

    192:sWVghW/cgbXH9YOCAs/nGfe4pBjSf4AKWNArXVWQ4mWvMHqnajMHxxBNT0662ONh:sW2hWUgbCA0GftpBjQGEMHlI663Uh

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-environment-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\malzero\tools\openssl\api-ms-win-crt-environment-l1-1-0.dll,#1
      2⤵
        PID:4864

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads