Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 15:02

General

  • Target

    $PLUGINSDIR/DotNetChecker.dll

  • Size

    815KB

  • MD5

    83b493e0bc0cf1105ce25d9bd5d1c2b9

  • SHA1

    1813bcb2a4384bd2a134bec29bd978f0b5c4e1b4

  • SHA256

    3f7bed61a1f5ad0c0a468363c4f2974c2674fd018ce2aabd40b5a16604c2d4cd

  • SHA512

    3aaccda41b5822d8eca0f8fb01c060151a1a19038c35905c937949491edc803ad7399f71ea7d56fded69394e4abb3f6266b3b3a8bcf644ef4bccb3406e3c2769

  • SSDEEP

    12288:/s3lPW//U+/ViiIuuaOVs51bWMt1wbdKfK3s+TGsNlmH:/O+qsPWMt1wbuKcgNK

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\$PLUGINSDIR\DotNetChecker.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DotNetChecker.dll,#1
      2⤵
        PID:2184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 612
          3⤵
          • Program crash
          PID:1284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2184 -ip 2184
      1⤵
        PID:440

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2184-0-0x0000000075140000-0x000000007525C000-memory.dmp

        Filesize

        1.1MB

      • memory/2184-1-0x0000000075140000-0x000000007525C000-memory.dmp

        Filesize

        1.1MB