Analysis

  • max time kernel
    121s
  • max time network
    134s
  • 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/READHD32.dll

  • Size

    17KB

  • MD5

    1b2c53b3c6f9a182ebc820fcb853770d

  • SHA1

    26e03bd3e4a31241ebb1b1f6c70079fc8f550820

  • SHA256

    3489bfe6fba3035a251112375ba90ee0b11fe60a2bc8cbb18756cdc8cfaed96a

  • SHA512

    3d6d4f4245b755a3b35096dd7db22ab4afd7d9728efdf58df806dda8a18cfaad8db94dc7250865cc00ec6e4520f582c0935d761e48c696e4316def859dd11f55

  • SSDEEP

    192:lWyo7QZiJSBAB3nfZ2//fsuUNF7OVblPki74/qwk77fahd7VMEtTH/Y:lC7fJS+3BmfTzGhA74d7VfL/

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\READHD32.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\READHD32.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2948

Network

MITRE ATT&CK Enterprise v15

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Downloads