General

  • Target

    unequal-impact

  • Size

    121KB

  • Sample

    210427-lal68ywkjs

  • MD5

    7364f6222ac58896e8920f32e4d30aac

  • SHA1

    915fd6fb4e20909025f876f3bb453ec52e21b7be

  • SHA256

    23e95ba67603234352ff2864dc7fa54742f501e5922f01f8c182dbefc116f97f

  • SHA512

    f5e2b5a17ed04c7edb904e867cec2f66a59b887176bd3e25803e82a390fc36fc47002df747099ca4e6960f020afe1137f4ba24b28613423b5de0b09ff7048026

Malware Config

Extracted

Path

C:\users\Public\RyukReadMe.html

Family

ryuk

Ransom Note
contact balance of shadow universe Ryuk $password = 'RCCF8gd'; $torlink = 'http://rdmnobnbtxh5sm3iiczazaregkpyyub3gktwneeehx62tyot5bc4qhad.onion'; function info(){alert("INSTRUCTION:\r\n1. Download tor browser.\r\n2. Open link through tor browser: " + $torlink + "\r\n3. Fill the form, your password: "+ $password +"\r\nWe will contact you shortly.\r\nAlways send files for test decryption.");};
URLs

http://rdmnobnbtxh5sm3iiczazaregkpyyub3gktwneeehx62tyot5bc4qhad.onion

Targets

    • Target

      unequal-impact

    • Size

      121KB

    • MD5

      7364f6222ac58896e8920f32e4d30aac

    • SHA1

      915fd6fb4e20909025f876f3bb453ec52e21b7be

    • SHA256

      23e95ba67603234352ff2864dc7fa54742f501e5922f01f8c182dbefc116f97f

    • SHA512

      f5e2b5a17ed04c7edb904e867cec2f66a59b887176bd3e25803e82a390fc36fc47002df747099ca4e6960f020afe1137f4ba24b28613423b5de0b09ff7048026

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Loads dropped DLL

    • Modifies file permissions

    • Drops desktop.ini file(s)

MITRE ATT&CK Enterprise v6

Tasks