Analysis

  • max time kernel
    118s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-08-2024 23:58

General

  • Target

    NERO55/NERO/NEROSKY.dll

  • Size

    808KB

  • MD5

    cba7cf2fdebd13ce7e12a7c687d6e756

  • SHA1

    4c0d5497ee4e9c812686764b61d1a3d51e616941

  • SHA256

    d6386cafa6795b90ae322be6f88219b5ca6a77229d4b607e7b65f29235331d0f

  • SHA512

    8abab6b552f80afa13fc7dd266b2879f30f0ce77354d838b0af4e50f53d5f95c082160115d737442e739711712497ec79ad9b300b10b74039677a65169268460

  • SSDEEP

    6144:6F9cU0X8lrUSXg8KSjFEIZ6p0mY33/tPtY052EFDiZAJ:Ab0Xme0f33/tPtY05LiyJ

Score
3/10

Malware Config

Signatures

  • 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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROSKY.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROSKY.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2940

Network

MITRE ATT&CK Enterprise v15

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Downloads