General

  • Target

    667b5fc2edfd84a68093d717396be7fd323c11df63512cde3f4cefe8c2032a64

  • Size

    69KB

  • Sample

    220201-bw23vsfce5

  • MD5

    de633ea14b251b2395da8411ff58cee5

  • SHA1

    eee5bbcfcfccaca4374ef2a7a2358f45e3eb5599

  • SHA256

    667b5fc2edfd84a68093d717396be7fd323c11df63512cde3f4cefe8c2032a64

  • SHA512

    0ada356ce7a322dbc12e472899ecb66d071fc5ebba519bcfe121227650c2097f0fb53bde52ae34185586ba824decfdb4456da8bc86d4b52dcff38e868a338c1b

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\1033\037D8D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .037d8d -- 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_037d8d: YEUxXhuRAqNolLJF4i3zPtxNanNykBKnfDQT9BqcMuhvOcAI/Z bZcuDtcwlp5wnlrer0TUq3SuTWOqpVkDox99jGb/d6M5dMxS9i HDVZtAxG2E6M68KuG4z9J8A0tpjIe5u9TmKudBBMaSKXxG+7U8 nt2Izn+EYb7xExLfpJ3uOw43qt0L0DZkHxFYJMbDS9tCspE2QF wmUeoFhXvZJa6efifSsCecvIGz1BuwvcFlxJrAtyU57v569I09 OI1LZF0h83F7xPJKD+PCl2nQjC2fhYhXLePa3Zrw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\.oracle_jre_usage\575659-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .575659 -- 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_575659: m8hqnSLCuoPbqeiJ/Ro1A+sO6xEThvworeMGg4t/XSQDZ3kbg1 DUdObVwkbNfQybi9XUp+jw3rYcQq7knEfojx3of7JcJJgbxS9i HB+GmUNWA0uBkXNwnQgNJ9UFftZbYsetPNnx+8KlRSKeRmX0aH WoThJM16q1I3keLa30jSJHvK1FAIucYAZSWcz/CpgvFjwepHH3 ymctW3ddp9OvyKMcwMS+qna8X/751hhAL7KDewZ9tZJQOFdU1f HC5pkJ4PZcM9BbfqoGnbflkTyviWEAzDYSxeldOw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      667b5fc2edfd84a68093d717396be7fd323c11df63512cde3f4cefe8c2032a64

    • Size

      69KB

    • MD5

      de633ea14b251b2395da8411ff58cee5

    • SHA1

      eee5bbcfcfccaca4374ef2a7a2358f45e3eb5599

    • SHA256

      667b5fc2edfd84a68093d717396be7fd323c11df63512cde3f4cefe8c2032a64

    • SHA512

      0ada356ce7a322dbc12e472899ecb66d071fc5ebba519bcfe121227650c2097f0fb53bde52ae34185586ba824decfdb4456da8bc86d4b52dcff38e868a338c1b

    • 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