General

  • Target

    afc240b8b55070589e6cd98ab05fb846e2ba3ea62a053f38737bf9f352f5e0f6

  • Size

    69KB

  • Sample

    220201-bst8vafcb4

  • MD5

    0785541c4b95cca9d0e2828c8752228a

  • SHA1

    0b38844de0cb7ded97c42c89d805963790223d2e

  • SHA256

    afc240b8b55070589e6cd98ab05fb846e2ba3ea62a053f38737bf9f352f5e0f6

  • SHA512

    845b12af05b673e18a244345f4b9082888773c2ead6d4b376735df7dea0452e495f298e96bda51747b092d38941cfe3778406c2e199f5e98b7cd2284d5f394f4

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Documentation\1033\License Agreements\CB0131-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .cb0131 -- 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_cb0131: 3ykhLCX0AkjpL0R5mCrcki5aHeGb16NrLjkoRYHVI88/17oZZU 735NUngsc23/TT90TsIIqwTn8hAw+IiJYmN2MqueRGdb95WSbo y2pdEx2flXZcku9y/hvg8UoL7B1NGwf2WRovwiWfIwVWNE6ECn OnM8s9mOz4RlZyn9Q5V8LVdYOeEcZhezn+j8iQrC1TUddH9Q2M L7hI1JZeK2cN7nBbwlQG5ysuFwjLkWQ7kFrqBRlN3GdNEpnZ7n jkKs6D+0cG9eoFQo4NgyA2H09EAEq2rbc0Cfh9dw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      afc240b8b55070589e6cd98ab05fb846e2ba3ea62a053f38737bf9f352f5e0f6

    • Size

      69KB

    • MD5

      0785541c4b95cca9d0e2828c8752228a

    • SHA1

      0b38844de0cb7ded97c42c89d805963790223d2e

    • SHA256

      afc240b8b55070589e6cd98ab05fb846e2ba3ea62a053f38737bf9f352f5e0f6

    • SHA512

      845b12af05b673e18a244345f4b9082888773c2ead6d4b376735df7dea0452e495f298e96bda51747b092d38941cfe3778406c2e199f5e98b7cd2284d5f394f4

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • 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