Analysis

  • max time kernel
    92s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 01:59

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    6KB

  • MD5

    132e6153717a7f9710dcea4536f364cd

  • SHA1

    e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

  • SHA256

    d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

  • SHA512

    9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

  • SSDEEP

    96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:2244
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 612
        3⤵
        • Program crash
        PID:1892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3592 -ip 3592
    1⤵
      PID:1268

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads