Analysis

  • max time kernel
    145s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 18:47

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    26KB

  • MD5

    ebf5c733481e2f6ddaa04fab99553616

  • SHA1

    7a979fa5609dd29315089c8640fabf3ca01be51d

  • SHA256

    3b7ae06666fb4277974766409349d0f14d4358e15a20c6c078a29c6021b4a779

  • SHA512

    37a61a13ca08bcd0c7bf84c0d1ec4c4d7320b57d60fa702a1c06f8e2a5a8a9c16b4b6756147357713ffafe26dea9ed42f45e5279c4999121a5589f1069760d8c

  • SSDEEP

    384:O/h0rfwf/Dr+td/ED+hHzn0zHyPGi//iKSfVrdIgMHIvSeu4PIXzF:OumitBs+hT0z4By3V0HUvHPoF

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\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
        PID:4500
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 612
          3⤵
          • Program crash
          PID:2608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4500 -ip 4500
      1⤵
        PID:2848

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/4500-0-0x0000000075370000-0x000000007537E000-memory.dmp

              Filesize

              56KB