Analysis

  • max time kernel
    160s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 06:22

General

  • Target

    b40149f79cb6749efcfd8dedf281351c.dll

  • Size

    45KB

  • MD5

    b40149f79cb6749efcfd8dedf281351c

  • SHA1

    61c83388045daf4b9dbde6eb1a81f5ae8a8d13f6

  • SHA256

    a06ddd99f98cb9e024319b28cdda567fd86734d88a1ebfa95a43c944191f02a6

  • SHA512

    00abc53fc1a1a3ea4a44489cd509b3fe7044d7416523b2507ff1d4c72700bde2d0169b98e6d242693d313cad12a44063e6db56a19d0325e2a6f0f1c2d88facfa

  • SSDEEP

    768:oGSJm0aJlzTL1Zz8/90hAn/x37eZjQMN2Hq7XmMzaGH79wB44gk9a6gxSA5su8bM:kElzr8/9iGp37eZcMYyv9Ugk9a6g46s6

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\b40149f79cb6749efcfd8dedf281351c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b40149f79cb6749efcfd8dedf281351c.dll,#1
      2⤵
        PID:2668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 616
          3⤵
          • Program crash
          PID:2456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2668 -ip 2668
      1⤵
        PID:5088

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/2668-0-0x0000000010000000-0x000000001001A000-memory.dmp

              Filesize

              104KB

            • memory/2668-1-0x0000000010000000-0x000000001001A000-memory.dmp

              Filesize

              104KB