Overview

overview

10

Static

static

3

MainTree.exe

windows10-2004-x64

10

MainTree.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    MainTree.exe
  • Size 61KB
  • Sample250528-v3arqs1ms8
  • SHA256 a0570660e7e0a9f97c0b7f5928ec4b2ca4332054a34eb4432d0b986b326cb81a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nitrodiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target
      MainTree.exe
    • Size 61KB
    • SHA256 a0570660e7e0a9f97c0b7f5928ec4b2ca4332054a34eb4432d0b986b326cb81a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nitrodiscoverypersistenceransomwarespywarestealer

    • Nitro

      A ransomware that demands Discord nitro gift codes to decrypt files.

      ransomwarenitro

    • Nitro family

      nitro

    • Renames multiple (92) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks