Analysis

  • max time kernel
    92s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 12:00

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    6KB

  • MD5

    1b0e41f60564cccccd71347d01a7c397

  • SHA1

    b1bddd97765e9c249ba239e9c95ab32368098e02

  • SHA256

    13ebc725f3f236e1914fe5288ad6413798ad99bef38bfe9c8c898181238e8a10

  • SHA512

    b6d7925cdff358992b2682cf1485227204ce3868c981c47778dd6da32057a595caa933d8242c8d7090b0c54110d45fa8f935a1b4eec1e318d89cc0e44b115785

  • SSDEEP

    96:s7fhfKaGgchPzxK6bq+pKX6D8ZLidGgmkN838:UbGgGPzxeX6D8ZyGgmkN

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:4928
    • 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:2680
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 612
        3⤵
        • Program crash
        PID:3952
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2680 -ip 2680
    1⤵
      PID:4372

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads