Resubmissions

28/04/2025, 12:36

250428-ps1yaawsdw10

28/04/2025, 12:33

250428-prk6faykx410

General

  • Target
    NitroRansomware.exe
  • Size 62KB
  • Sample250428-ps1yaawsdw
  • SHA256 7a75d575e35ce315845323f7517dff9daf2935b26207a8ec4cdbc425c1f2f9b0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      NitroRansomware.exe
    • Size 62KB
    • SHA256 7a75d575e35ce315845323f7517dff9daf2935b26207a8ec4cdbc425c1f2f9b0
    • MD5 SHA1 SHA512 SSDEEP
    • Nitro

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

    • Nitro family

    • Renames multiple (97) files with added filename extension

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

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v16

Tasks