General

  • Target

    cureit.exe

  • Size

    294.1MB

  • Sample

    240130-ptxx1sfhh2

  • MD5

    6f54e39afdbd115f01952b3eaccd2d79

  • SHA1

    2f48c9ccb0b9489da158206e1a5bf450a1149cea

  • SHA256

    81a096d9fac8b397176c475d4123e2824d09a1fd92287bd23796db7f6a4d7f27

  • SHA512

    d868b8a7859b284297498432913f99a1f6b2af39797d21e8f29efbe669513d5575abfdcecf25d7a888d4c3c73b4843734e64ac9a32729375132a30233f490f98

  • SSDEEP

    6291456:D9gTykZyrx6zSEYNXX1EEZ6pUU18+pVvJXbGth0cppIzLKRWRn/jP1kVM3HPQLHW:DpkZe6zSEYRX3UTITpp6d7Ca3Hy69

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>nituWkeWj+tNqItnTw/C96Ytopb69OXSfh8nUwC4NJUFjgx3FKxwS8NBlCK0kmQ2hjwRfmzFU0JN3UvIlBKM3wOA0Ls4n5pAAoYZzekr84gwDyrHrLh7PJpTYnDIybSU4M1rCgqm9bLl6JZ/CY3rIrxrMilK9UfLknhawDDZEgNxxnK/3n6K782HklayiWZiDXLVViyY4iqiTZYzkUeiio8e3VERt2d6JfhtRwz6spSNfMT6wxWeNRvp11yUkJ5PcTPyB9GXftwIJqkqMaJBT88cAGULHuB0lxU41POON5V7odc1ko6vNRjOJczUwg4IkF+FGru8QxClR2PNXtkQHg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>EsJOWTigFX8BilRlugdO0htM6A7nsNnV1izh5/E/TF1HVldxPx78RZUG31eAJzj+SxfXAzy110HqsM/YHwOkaKKgTGZnOgJbcAhR6ScSFrWzJFYi/oHBCSIb7GBdcGBj5YSk0sfjtwPOiEW2+v/VS/2FGAVa4+v2tz3DnTXnAWfB8oKGrhMgf5UaLCJwF3jSFGQ5XbSFvb69ENPi4en7ZoEPWOsLPV13G8lBtstPCzuk1EWRwzy10J7FcZWXvpp3wVUKp7TMSVOcUhyS3JVIkBDHkVk7m0/N+znSlo4pKXXVWmlmn1Roo1NVAAnWwdn8o9/9Zx0oLXWDLg3pxD8MrA==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      cureit.exe

    • Size

      294.1MB

    • MD5

      6f54e39afdbd115f01952b3eaccd2d79

    • SHA1

      2f48c9ccb0b9489da158206e1a5bf450a1149cea

    • SHA256

      81a096d9fac8b397176c475d4123e2824d09a1fd92287bd23796db7f6a4d7f27

    • SHA512

      d868b8a7859b284297498432913f99a1f6b2af39797d21e8f29efbe669513d5575abfdcecf25d7a888d4c3c73b4843734e64ac9a32729375132a30233f490f98

    • SSDEEP

      6291456:D9gTykZyrx6zSEYNXX1EEZ6pUU18+pVvJXbGth0cppIzLKRWRn/jP1kVM3HPQLHW:DpkZe6zSEYRX3UTITpp6d7Ca3Hy69

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Renames multiple (4777) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks for any installed AV software in registry

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks