Analysis

  • max time kernel
    440s
  • max time network
    455s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    02-08-2023 23:39

General

  • Target

    Common Files/CtrlEx.dll

  • Size

    44KB

  • MD5

    d22986b4c4b4bab0da6be8f68fe952be

  • SHA1

    6b98e89efcde94ac5917b333f2f6bd46ddaf8ead

  • SHA256

    9d2bd8bcb35be07fd17a2b3fba3c543acf3a470c853ad9bae6e3b7f587eea739

  • SHA512

    f731cba7dcee6bcbf4cb8a286db726a3a3a21bdca18a4f196942696e25d931d8c18eba55c497a3d31a5ab592bed817bda290d301d103a1acdd5717ac3ad5afd3

  • SSDEEP

    384:wsflfkZf6fGAeib1uwMX7nVgWCoxXBZ74mG+4B91Ky8IZv:wdf6fGADb1uFny9oxvyvZv

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\Common Files\CtrlEx.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Common Files\CtrlEx.dll",#1
      2⤵
        PID:5080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 684
          3⤵
          • Program crash
          PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5080 -ip 5080
      1⤵
        PID:2268

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/5080-133-0x00000000003E0000-0x00000000003FE000-memory.dmp

        Filesize

        120KB

      • memory/5080-135-0x0000000000830000-0x000000000086E000-memory.dmp

        Filesize

        248KB

      • memory/5080-137-0x0000000000870000-0x0000000000889000-memory.dmp

        Filesize

        100KB

      • memory/5080-138-0x00000000008A0000-0x00000000008CF000-memory.dmp

        Filesize

        188KB

      • memory/5080-140-0x0000000002600000-0x0000000002C09000-memory.dmp

        Filesize

        6.0MB

      • memory/5080-141-0x0000000002020000-0x00000000025F9000-memory.dmp

        Filesize

        5.8MB

      • memory/5080-144-0x00000000008F0000-0x00000000008FD000-memory.dmp

        Filesize

        52KB