Analysis

  • max time kernel
    41s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 08:22

General

  • Target

    CoralUpdate.dll

  • Size

    352KB

  • MD5

    7b1938124b07781bea91fae264e99f87

  • SHA1

    39ff40d2b9d1e5f51a2d9817d801c4242d21763e

  • SHA256

    281bd67d445ccc728f5a92fb8200e306cd8d4d311a6a9edcb8c9760cf9d1ea93

  • SHA512

    6bee84c135c60496eb79b272afbb5881cc3c1ac82bcf370b40209b5532d3922fec7be4b5af05044ef644146cda7d0baa32f344b86a40f1c27d416bb758c743bd

  • SSDEEP

    6144:NiQRHSkgCAoHD/LDtwd3Zp5VsjInbJC65iRnGik0MPAcTHe1OjDxW6aOgoftcl:BZAoj/L2d31QoiRnGilcTHYOPJ0l

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\CoralUpdate.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoralUpdate.dll,#1
      2⤵
        PID:2736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 640
          3⤵
          • Program crash
          PID:2160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2736 -ip 2736
      1⤵
        PID:404

      Network

      MITRE ATT&CK Matrix

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      Downloads