Analysis

  • max time kernel
    118s
  • max time network
    128s
  • 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/NERONOR.dll

  • Size

    804KB

  • MD5

    6be63434f424f40fde7b54af07dd976e

  • SHA1

    8d41d38185ef6c5014d8f4fe73b121ab9893076f

  • SHA256

    97a4831970424fcc6328f7315a5781d88c96f0757d84c004e3def5d1bbb16876

  • SHA512

    c5ae56b139d82561d87ae6ea0b5daf4dd8fe7819d6f60a0f7331a87c2765ba0c414265ba0c3616f4dacf79626018620ede6b244060be2f8e79792bd48abe460b

  • SSDEEP

    6144:iFHHX8lrUSXg8KSjFEIZ6p0mY33/t3D+GvuRL0A84h7d:onXme0f33/t3D+GvCh7d

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\NERONOR.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NERONOR.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads