General

  • Target
    NitroRansomware.exe
  • Size 62KB
  • Sample250617-kyevsavnt5
  • SHA256 b439a6c6e24815e702c430679e8b6318b99dbf8917f5d8bf71ab44acb0b4b01a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      NitroRansomware.exe
    • Size 62KB
    • SHA256 b439a6c6e24815e702c430679e8b6318b99dbf8917f5d8bf71ab44acb0b4b01a
    • MD5 SHA1 SHA512 SSDEEP
    • Nitro

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

    • Nitro family

    • Renames multiple (113) 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