General

  • Target

    2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.zip

  • Size

    41KB

  • Sample

    211204-hnm3asaeek

  • MD5

    f57a2e95937e7727c82b0782e1cdd0d0

  • SHA1

    570ac30c3c40c62d67ac39e857e840b69908ed16

  • SHA256

    e038bb439a412f1c98d22a9a4726fbe0747a8bbbb48a8d26ac4dcb039f29e53e

  • SHA512

    be171554a26d962445b8a9238abc6faecd2398dc04305730ef44f03418f20971657254f04887c4dbbca87d0a360077cb9e4666747882ba4bdc82e8d567858647

Malware Config

Extracted

Family

blackmatter

Version

2.0

Botnet

e4aaffc36f5d5b7d597455eb6d497df5

Credentials
C2

https://mojobiden.com

http://mojobiden.com

https://nowautomation.com

http://nowautomation.com

Attributes
  • attempt_auth

    true

  • create_mutex

    true

  • encrypt_network_shares

    true

  • exfiltrate

    true

  • mount_volumes

    true

rsa_pubkey.base64
aes.base64

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-1042495040-510797905-2613508344-1000\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>MlH6B6vcJJI2xnseiu7ywQCJ1zTYKnaeL8lU+nwt3/pj/nj2nqSvyZ1FdRDwLJwvYGjkhozW9aCi0AhIs9DN4n46cizQ0YcLswTqsd0vBQRl0Uwxh2LWCU1+Qt1mesn4MPqw2Jc5sk0CDBuCVbn8u0ytuf5PiYap9pn23CrfNXPDkPeZyl5ppuxUX34f5UwFyeU2OrNaIFgKh3Yde4FNWlwUoJo3ym88nVHu0nnALwCM0SwxR929Msc8keWdoCyzypA3bj/5mBxsI9IUPfAG0WFQMznzz/6E8D3YC6GguQDNYgMbglitGm5l8k5Sk2XoJHhjj3s/fjkQkXc4ThMqbw==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      2e50eb85f6e271001e69c5733af95c34728893145766066c5ff8708dcc0e43b2.zip

    • Size

      41KB

    • MD5

      f57a2e95937e7727c82b0782e1cdd0d0

    • SHA1

      570ac30c3c40c62d67ac39e857e840b69908ed16

    • SHA256

      e038bb439a412f1c98d22a9a4726fbe0747a8bbbb48a8d26ac4dcb039f29e53e

    • SHA512

      be171554a26d962445b8a9238abc6faecd2398dc04305730ef44f03418f20971657254f04887c4dbbca87d0a360077cb9e4666747882ba4bdc82e8d567858647

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Disables Task Manager via registry modification

    • Executes dropped EXE

MITRE ATT&CK Enterprise v6

Tasks