Overview

overview

10

Static

static

10

4b7c056e93...a1.exe

windows10-2004-x64

10

4b7c056e93...a1.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    4b7c056e93f05db3aaf7ded11f7f32b62e29bc19d61101b58c69f813afce4aa1
  • Size 740KB
  • Sample260506-l7mgnaay3n
  • SHA256 4b7c056e93f05db3aaf7ded11f7f32b62e29bc19d61101b58c69f813afce4aa1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
medusalockerdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

Malware Config

Extracted

Path

  • \??\B:\$RECYCLE.BIN\HOW_TO_RECOVER_DATA.html

Ransom Note
  • Your personal ID: 8Dd8xx5lYCKejtSGk3AXPxXAUvvcj+ppV1u9yK+LGlwdsjRNKuDSVKnLtI5X7LQehv1Hl9C1iio0hdNEGA+R9UrMmmOPNXZnAeDon3NJW7UqiwWhSZfDwzIjHpgrZwZQyWYwpCUNTX2eApzv+iue/Ml9t+AB6AzvHFEGCU7UU2u1nX2p4vZlR92KwvHc4Cim4Ig6Crs+wECEm1T1OwVTEeKaOXRS5xqfV56W+MQMVlaBTZpzM+uAJgugPAsRLJF8+5ssZtsHRUIdEbvhD1NIjjVyJF6P7l7rjsetuGAUs09UZNedx+61561p29ocVemUKxOteIlfinYmpMPk1t2Cgg==� YOUR COMPANY NETWORK HAS BEEN PENETRATED Your files are safe! Only modified.(RSA+AES) ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE WILL PERMANENTLY CORRUPT IT. DO NOT MODIFY ENCRYPTED FILES. DO NOT RENAME ENCRYPTED FILES. No software available on internet can help you. We are the only ones able to solve your problem. We gathered highly confidential/personal data. These data are currently stored on a private server. This server will be immediately destroyed after your payment. If you decide to not pay, we will release your data to public or re-seller. So you can expect your data to be publicly available in the near future.. We only seek money and our goal is not to damage your reputation or prevent your business from running. You will can send us 2-3 non-important files and we will decrypt it for free to prove we are able to give your files back. Contact us for price and get decryption software. email: [email protected] [email protected] * To contact us, create a new free email account on the site: protonmail.com IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER. IMPORTANT! All recovery offers on various websites are scams. You can only recover using the contacts in this note. Do not use any other platforms or messengers to recover your files; you can only do so by contacting the contacts in this note.Beware of middlemen, they come to us with your files, decrypt them and show themselves as if they decrypted them, take your money and disappear without giving you the tool! *Tor chat - fcxbqfoopgl2up6aq5wshdltapaw5ic7n6cow2fe3y3pbd754enkq7qd.onion/
URLs

  • http://fcxbqfoopgl2up6aq5wshdltapaw5ic7n6cow2fe3y3pbd754enkq7qd.onion/

Targets

    • Target
      4b7c056e93f05db3aaf7ded11f7f32b62e29bc19d61101b58c69f813afce4aa1
    • Size 740KB
    • SHA256 4b7c056e93f05db3aaf7ded11f7f32b62e29bc19d61101b58c69f813afce4aa1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (1837) files with added filename extension

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

      ransomware

    • Deletes system backups

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks