Analysis

  • max time kernel
    118s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 00:32

General

  • Target

    NERO55/NERO/NEROITA.dll

  • Size

    824KB

  • MD5

    04d843cc00222c0a6c17ce41fa257ec9

  • SHA1

    055ee22fc15999111f39d3aae3cb5b3233044a6d

  • SHA256

    5d7d8b3b6fc81dec1f7fb8a9e3f24fa975a38831fb5b81da5d199e3643380746

  • SHA512

    d792b02693ab38dcb54e107ec76c48dc2f4272d19ee7846c9fb22029108e231c07a388ed494b763bc0dbcdbea6a5ac52dbfd8e782f5fc0b6f295284b9c2f0ab9

  • SSDEEP

    6144:rFB1cX8lrUSXg8KSjFEIZ6p0mY33/t3D+GvTBQ4GvzWmAo:BncXme0f33/t3D+Gvh0z3

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\NEROITA.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROITA.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2772

Network

MITRE ATT&CK Enterprise v15

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Downloads