General

  • Target

    NitroRansomware.rar

  • Size

    24KB

  • Sample

    240101-rhjmcsccbk

  • MD5

    e9b76fdbfa3025816e78e0fc64e50723

  • SHA1

    0dcf92eeadc3ce8e90484405e47f3a0604ca05da

  • SHA256

    9a8fb8a3604604036f0b7747d6fb17f66076ae60fcc28ce88d8ba60098a09511

  • SHA512

    3e0ec9832b5daa82fa19548fea36b50531b109c3c12d389ed35a905f0e3889266494e49d45ac730d65175672edf9317a957064d93e89ef7c3d3d65f7d52a0716

  • SSDEEP

    768:aW4S0O9lgVx3hdh75X50ETHvvtuPES/ni:aW4S0EgVVNd50ONuPF/ni

Malware Config

Targets

    • Target

      NitroRansomware.exe

    • Size

      61KB

    • MD5

      067cd97c3c0ae0d8b88963b23c7988c1

    • SHA1

      d0791728110ba68941185fe756069a8b7eed5a89

    • SHA256

      c5a67cae54aabf8f5e5d975135d961ed665ef021b8d20dccaebc40b1677baa3c

    • SHA512

      08a7f9cfc8481ed328d7f55a780cccc831809ed995342e30aef7f47652327b5c673af845d6fe5b34e7007ed1ab57f915d43e540d092590220caa5aed4116127c

    • SSDEEP

      768:WKsMqCXfVcWlzM9ZkiANIUvDYLDwUzc80gmq3oP/oDV:WKse1M9ZkiAP0r/0O8/oJ

    • Nitro

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

    • Renames multiple (88) 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 v15

Tasks