Analysis

  • max time kernel
    134s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:06

General

  • Target

    $PLUGINSDIR/Midex.dll

  • Size

    126KB

  • MD5

    581c4a0b8de60868b89074fe94eb27b9

  • SHA1

    70b8bdfddb08164f9d52033305d535b7db2599f6

  • SHA256

    b13c23af49da0a21959e564cbca8e6b94c181c5eeb95150b29c94ff6afb8f9dd

  • SHA512

    94290e72871c622fc32e9661719066bafb9b393e10ed397cae8a6f0c8be6ed0df88e5414f39bc528bf9a81980bdcb621745b6c712f4878f0447595cec59ee33d

  • SSDEEP

    3072:WACUTz1JlJmpGB6yK4H9l4o8rr4YlixbSrZKbazGd:WACUTz1JlopG5K4OZgeC

Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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\Midex.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Midex.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      PID:2172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 600
        3⤵
        • Program crash
        PID:2696
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2172 -ip 2172
    1⤵
      PID:3936

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads