Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-06-2024 17:21

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    7KB

  • MD5

    675c4948e1efc929edcabfe67148eddd

  • SHA1

    f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

  • SHA256

    1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

  • SHA512

    61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

  • SSDEEP

    96:J9zdzBzMDByZtr/HDQIUIq9m6v6vBckzu9wSBpLEgvElHlernNQaSGYuH2DQ:JykDr/HA5v6G2IElFernNQZGdHW

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:3404
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
        PID:3884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 468
          3⤵
          • Program crash
          PID:4348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3884 -ip 3884
      1⤵
        PID:1904

      Network

      MITRE ATT&CK Matrix

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      Downloads