General

  • Target

    2024-02-01_9951b7f5344d5d0e6728f90c1ffd0a3f_ryuk

  • Size

    212KB

  • Sample

    240201-lf7crahcd4

  • MD5

    9951b7f5344d5d0e6728f90c1ffd0a3f

  • SHA1

    5252a37cc0c4171f6261fbcc418d4fca83f0a543

  • SHA256

    0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8

  • SHA512

    2ce934dbeb9888e8125856d0158f23a6c5d007a55f9d71287e308bcf312674642496a1f2aadfe276361b5c4945e37a5c3edde3be83dbdb8d531123fb2335f50f

  • SSDEEP

    3072:skoemwJEECCvcVbQQFrUoR19V6To0Hqs3WvQ:ZEECCElQk3wqFQ

Score
10/10

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note
Your network has been penetrated. All files on each network host have been encrypted with a strong algorithm. Backups were encrypted too. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. Only we have exclusive decryption software, suitable for your situation. More than a year ago, world experts recognized the impossibility of such encryption deciphering by any means except the original decoder. No decryption software is available in the public. Antivirus companies, researchers, IT specialists, and any other persons cannot help you to decipher the data. Decryption takes from ten minutes up to several hours. It is performed automatically and doesn't require from you any actions except decoder launching. DO NOT RESET OR SHUTDOWN SYSTEM � files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions. Send 2 different random files and you will get them back decrypted. It can be from different computers on your network to be sure that one key decrypts everything. We will unlock 2 files for free. To get info (decrypt your files) contact us a KaysynKuechle@protonmail.com or StridDeana1995@protonmail.com You will receive btc address for payment in the reply letter Ryuk No system is safe
Emails

KaysynKuechle@protonmail.com

StridDeana1995@protonmail.com

Targets

    • Target

      2024-02-01_9951b7f5344d5d0e6728f90c1ffd0a3f_ryuk

    • Size

      212KB

    • MD5

      9951b7f5344d5d0e6728f90c1ffd0a3f

    • SHA1

      5252a37cc0c4171f6261fbcc418d4fca83f0a543

    • SHA256

      0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8

    • SHA512

      2ce934dbeb9888e8125856d0158f23a6c5d007a55f9d71287e308bcf312674642496a1f2aadfe276361b5c4945e37a5c3edde3be83dbdb8d531123fb2335f50f

    • SSDEEP

      3072:skoemwJEECCvcVbQQFrUoR19V6To0Hqs3WvQ:ZEECCElQk3wqFQ

    Score
    10/10
    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • Detects command variations typically used by ransomware

    • Drops desktop.ini file(s)

MITRE ATT&CK Matrix ATT&CK v13

Tasks