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Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 16:48

General

  • Target

    $PLUGINSDIR/sylrhaz.dll

  • Size

    161KB

  • MD5

    8bc4405aab9e9e2e8e17aceb0a273772

  • SHA1

    533762514c6d40e79a5cd604f310fd5f7151070c

  • SHA256

    2b47725c2c625bb22e96229572b8fdfd3b87fe8642a98a13b80f9fd10da6bdb5

  • SHA512

    238b45df7df079112fd38771e9fb391236c7a5b96756123d6b66c4964f0a9d639227cecbef6812f6cd22a9415bc72219aa8b6926ab06451da497b1ff4cc84878

  • SSDEEP

    1536:GDlDJ+sSDf5obf2Nsu08hIT2QinOmx8If0vlM188XSvGLp0bLTbE2jgY+PCcowsc:GDTZS4QOBK88CvGLKEIz+QVdQY0ZccH

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\$PLUGINSDIR\sylrhaz.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\sylrhaz.dll,#1
      2⤵
        PID:1400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 600
          3⤵
          • Program crash
          PID:3672
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1400 -ip 1400
      1⤵
        PID:4808

      Network

      MITRE ATT&CK Matrix

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      Downloads