General

  • Target

    bb00fd154b28cd6cc130cbaaabe3f92edcd5c674153f44734bad34009ddb94f6

  • Size

    69KB

  • Sample

    220201-bsa5zaefgq

  • MD5

    e76a79e2d13f40bb0464b6d0168f5790

  • SHA1

    cff4edd3f058214e820a3390f53353df0ccca814

  • SHA256

    bb00fd154b28cd6cc130cbaaabe3f92edcd5c674153f44734bad34009ddb94f6

  • SHA512

    d813e5f48d24fe6683d66e7b3d10e4b27c6e33e5420b764d9c0ce60e4217c17eb9f0f8ed666ddd835081bb29af18196eda6c9555b22ad5088d24e21554f90c9d

Malware Config

Extracted

Path

C:\Program Files (x86)\Adobe\Acrobat Reader DC\0BF00D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .0bf00d -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_0bf00d: 2NAZuHqp+sp4Dwwu65OgWOg8awQVR+NjpmyrauAVhCBYxsMt/P fMCW4n9ZSz8HzE+NcHjjE4QEnENUN4F1yrB4e/ZFURdVIf0zj8 ppzghd6/NIoSq0OUVdHsImwJQZGNcgn66B6C3FNKIWF0ek1HxH OWASLw5fzERYAkOkrG9MfXpmbuKcddps/JBbk+knAfJP9d6K7v I2emOyepZvIq5PX9C8k5gStRK/EB9EHEcx13aanBmD6ozYfOmq Ypcw/OEQSxHZ+CmRmFLlpGlxhCHSoAQw3+0PpDHg==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      bb00fd154b28cd6cc130cbaaabe3f92edcd5c674153f44734bad34009ddb94f6

    • Size

      69KB

    • MD5

      e76a79e2d13f40bb0464b6d0168f5790

    • SHA1

      cff4edd3f058214e820a3390f53353df0ccca814

    • SHA256

      bb00fd154b28cd6cc130cbaaabe3f92edcd5c674153f44734bad34009ddb94f6

    • SHA512

      d813e5f48d24fe6683d66e7b3d10e4b27c6e33e5420b764d9c0ce60e4217c17eb9f0f8ed666ddd835081bb29af18196eda6c9555b22ad5088d24e21554f90c9d

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks