Analysis

  • max time kernel
    92s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 10:53

General

  • Target

    luyou/msvcr90.dll

  • Size

    640KB

  • MD5

    4d03ca609e68f4c90cf66515218017f8

  • SHA1

    545e440940073d5ec49d47fefd421730f8b33efb

  • SHA256

    cf420aced0d810e1d75f6811dd986f2d9fded2fbb8d61fc9a7024520c475febb

  • SHA512

    1b52d09f94bd37850d098ae7222e85e16a4f6df14cfdfc28526cd98b81fb009865fa75774ee4feaa2e5d5861bea27759fe4fb979c902f8ea60afa8c3e1f723fe

  • SSDEEP

    12288:1hr4UCeeHTA80gIZ4BgmOEGVN9vtI0E5uO9FAOu8axPFmRyy6aE:5e2g5gmO791I0E5uO9FAN9mRyyzE

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\luyou\msvcr90.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4340
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\luyou\msvcr90.dll,#1
      2⤵
        PID:2692

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads