Analysis

  • max time kernel
    92s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:39

General

  • Target

    CoreFoundation.dll

  • Size

    1.6MB

  • MD5

    f8e1afea1ff44a643d44bd2e7bfecfbb

  • SHA1

    fa6adeb49947c490d29c1b61f2b03a4938373ee1

  • SHA256

    9d8eb1314d91240641fad144472eb897aa3a95bbe9e59674c200a86012bb4a9b

  • SHA512

    19633677b49e6eee8b8c28c13f95397a36bc2b50c7fe4764896eb420b1b6d45a467ad370ab3c003bec31bda329e429fad676f6f4d1e91dd84c2178a721ccca67

  • SSDEEP

    24576:jPjJz/Ucgnz4AFKA5SMen/QeCeYx1yWQ3N2dLVa2pN7x9CrRIS:Jlg8pIS9uv4

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoreFoundation.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoreFoundation.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 656
        3⤵
        • Program crash
        PID:3132
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2700 -ip 2700
    1⤵
      PID:4324

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads