Analysis

  • max time kernel
    129s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 21:46

General

  • Target

    IEProxy.dll

  • Size

    60KB

  • MD5

    d4b84356bdd1621ee021a886a3a4cbe2

  • SHA1

    de320fae55cbec111d1157ac13c8e199d0367013

  • SHA256

    0b423de2edd113b68f159e70d50630c607fd61d18eb5a05ce5586c6228d38c44

  • SHA512

    181ad864fe9802f900d0aaf95aa8b4c96ecbd3c37f1ed53f8a90610c0da135bc68322b0358fd555b66967f9e720768704d8cd512b8b3b1521c507b3de3148097

  • SSDEEP

    1536:UZy5Ylu4ga8rHtz0DySidaFixpOt0jS/G:Legxa0paidaFsOto

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\IEProxy.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\IEProxy.dll,#1
      2⤵
      • Drops file in System32 directory
      PID:4328
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 708
        3⤵
        • Program crash
        PID:5208
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4328 -ip 4328
    1⤵
      PID:4212

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4328-2-0x0000000001090000-0x0000000001118000-memory.dmp

      Filesize

      544KB

    • memory/4328-0-0x0000000000E40000-0x0000000000E85000-memory.dmp

      Filesize

      276KB

    • memory/4328-4-0x0000000000EB0000-0x0000000000EE8000-memory.dmp

      Filesize

      224KB

    • memory/4328-6-0x0000000001000000-0x0000000001010000-memory.dmp

      Filesize

      64KB