Analysis

  • max time kernel
    92s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-02-2024 17:21

General

  • Target

    $APPDATA/mIRC/bin/dll/girc.dll

  • Size

    477KB

  • MD5

    a7b0706ead9c296711ce556904b4d413

  • SHA1

    c9e0e11371691cdf081153b85a3fb88da433230c

  • SHA256

    fabebca42727eafc7ec76c94e8bee18e477358ee55e56ef15e921a4b0be55286

  • SHA512

    7d1353937b5f6749656f9002b0c377bd61f6c4fd3bb1f22facedce7c0c84c4c273000b74352dcd3125b5afad10f216b8a4c2b697d4c760d1023f18b643f02ac5

  • SSDEEP

    12288:KbkJn64BYUJ9WXJD0/fEP8fFA4wrVP7Qa:4K64PJ9WXu/WMA4wRMa

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\$APPDATA\mIRC\bin\dll\girc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\girc.dll,#1
      2⤵
        PID:4700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 648
          3⤵
          • Program crash
          PID:3276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4700 -ip 4700
      1⤵
        PID:2876

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4700-0-0x0000000001EF0000-0x0000000001F6D000-memory.dmp

        Filesize

        500KB

      • memory/4700-1-0x0000000001EF0000-0x0000000001F6D000-memory.dmp

        Filesize

        500KB