Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 02:15

General

  • Target

    download/msvcr71.dll

  • Size

    346KB

  • MD5

    11316988db0e63468529beff50eccdbe

  • SHA1

    e8c2678b077dd21e6818c4cc4cb565002f090fd3

  • SHA256

    86ec6808c1977f31677dd371ddbc2c4ecaa11c236466c556cdeb00e7dd3f2e96

  • SHA512

    c1ee53103afa7652f1b850347341f3850b724b4a574fffbe1b9c5f3bd5661bc0e347f4676c325c88108593e2f88ce5e5f948f628df181a1cc18d471687ad23ff

  • SSDEEP

    6144:WcV9z83OtqxnEYmt3NEnvfF+Tbmbw6An8FMciFMNrb3YgxxpbCAOxO2ElvlE9:Woz83OtIEzW+/m/AyF7bCrO/E9

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\download\msvcr71.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\download\msvcr71.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 224
        3⤵
        • Program crash
        PID:2196

Network

        MITRE ATT&CK Matrix

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        Downloads