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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/07/2024, 12:56

General

  • Target

    sirrah.dll

  • Size

    52KB

  • MD5

    e07ca0e84fc1eeedeccc2dec1e123128

  • SHA1

    36731fd829ced121434e80ae92f62c169d949db3

  • SHA256

    659d9bf3fbe53372fa97394cc67eb6904c9339a44d0c56a53d5ca1c4dda0c842

  • SHA512

    bdf232c7b5784c38d7a0feeb103459cf6534eb6ce63e158efeb269452785219c3051f736ffa53ed20306f1cfa1ac3af6b4a09c8392f3126517d0c0f291772f10

  • SSDEEP

    768:kH1nb/WcYwIsw+5ztCjW4UxugTY99imgVt3XJ:kH1nTWc0sw+FtCCVugs+1tnJ

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\sirrah.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\sirrah.dll,#1
      2⤵
        PID:3792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 600
          3⤵
          • Program crash
          PID:3068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3792 -ip 3792
      1⤵
        PID:4444

      Network

      MITRE ATT&CK Matrix

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      Downloads