Analysis

  • max time kernel
    126s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 02:08

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    6KB

  • MD5

    b55f7f1b17c39018910c23108f929082

  • SHA1

    1601f1cc0d0d6bcf35799b7cd15550cd01556172

  • SHA256

    c4c6fe032f3cd8b31528d7b99661f85ee22cb78746aee98ec568431d4f5043f7

  • SHA512

    d652f2b09396ef7b9181996c4700b25840ceaa6c1c10080a55ce3db4c25d8d85f00a21e747f9d14a3374be4cdd4ea829a18d7de9b27b13b5e304447f3e9268fa

  • SSDEEP

    96:L7fhfKaGgchPzxK6bq+pKX6D8ZLidGgmkN538:RbGgGPzxeX6D8ZyGgmkN

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\nsExec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
        PID:3916
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 612
          3⤵
          • Program crash
          PID:2696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3916 -ip 3916
      1⤵
        PID:4848

      Network

      MITRE ATT&CK Matrix

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