Analysis

  • max time kernel
    0s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-09-2024 14:50

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    7KB

  • MD5

    11092c1d3fbb449a60695c44f9f3d183

  • SHA1

    b89d614755f2e943df4d510d87a7fc1a3bcf5a33

  • SHA256

    2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77

  • SHA512

    c182e0a1f0044b67b4b9fb66cef9c4955629f6811d98bbffa99225b03c43c33b1e85cacabb39f2c45ead81cd85e98b201d5f9da4ee0038423b1ad947270c134a

  • SSDEEP

    96:JgzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHIDQ:JDQHDb2vSuOc41ZfUNQZGdHA

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:1596
    • 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 468
        3⤵
        • Program crash
        PID:4756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3592 -ip 3592
    1⤵
      PID:4416

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads