Analysis

  • max time kernel
    93s
  • max time network
    121s
  • 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 01:28

General

  • Target

    $_0_/dfxbtn.dll

  • Size

    81KB

  • MD5

    3969534dade35fc53ced9d0b0b56fe91

  • SHA1

    f655564925c6566d3f438c069a8d74dbc44f9c87

  • SHA256

    3e852471bb31064c46bbadd22a68ab30590da2937ab52bc3c2f1b89d00a80375

  • SHA512

    02c651833c4dacad3cced0d27f9c0d6cebc5f7e3dbe17ba33684c13930306895f5680b39579bda9ce8c0d216b60a0949c81acd9992e53070ac6fd2dd24eb9cd3

  • SSDEEP

    1536:hUYbPZCuH32V3NzMFVSk/NHg7gajR5x5Gd5uvKo:CYzZvH3izq3mR5x8o

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\$_0_\dfxbtn.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$_0_\dfxbtn.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5068
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 612
        3⤵
        • Program crash
        PID:880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5068 -ip 5068
    1⤵
      PID:5020

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads