General

  • Target

    278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39

  • Size

    57KB

  • Sample

    220201-by26msegfq

  • MD5

    59efb6774ad0b6ee41184e49e7f14c1e

  • SHA1

    7cde3ed8f0b731044783d40481fe9cc892c8f978

  • SHA256

    278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39

  • SHA512

    836e7ad821eca323e815ad26060cc6f903993856f506869d2ecb667c6bc888ad0a42aa0676dea5f5af0eb8b8701788ba99d78f119a686e6f05d7ff73a896564b

Malware Config

Extracted

Path

C:\Program Files\Microsoft Office\Office14\B9DDA2-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .b9dda2 -- 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_b9dda2: BIHEXEq9wIM+PzO2VTRBQBWqQSi5bPEF48VJGOnJHfpnGVABNg fqsp7jXINUNuJFQzav1ikrd4eWLONQXqdWFHAIoui3ff9665Yy i5CIp4EWCJchc+v9b2MAdP2YtWiueMd1peiBmRcvftuVInxetQ cAZy5MGFk4f01trofqIRi/NWLWXJMmavPU8pMPD1VWKChjGOKC dzFYiQqG8bjXI7EckvuwuRS7CG/2ITDgFWbzDz3pwBSBV4vF18 fX3iYZ7C2/CN9Qm/0Ow/C4vplWLrOVgfVz7UWgTQ==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\5B361F-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5b361f -- 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_5b361f: //H5GgHH3YBo3CkkxDPWPQtnnlfuXiA2XlRWGPNj/oKj6ojXeA 7qNe2oeq+ylv0xo3Gcnz98wW/EB9GZVQHZuUzvh2VO3xlj65Yy i+NykmrZf6a2JnCjD/fdc0V+6WDjTulmnGjfHSbknw0YtsALtC D1TTBXQq/1UEK54tqt3Pq00vkDDRumFg3FCwDcuA+HEtqpwS1f FtgG9NQOCz705bSBnGfM4DgC76Zeo5Johsh7Dakgcug7CtzBFk 3I+cj5QV+niCM/MCF9sQqktpJmqJizxhin5GmLVw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39

    • Size

      57KB

    • MD5

      59efb6774ad0b6ee41184e49e7f14c1e

    • SHA1

      7cde3ed8f0b731044783d40481fe9cc892c8f978

    • SHA256

      278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39

    • SHA512

      836e7ad821eca323e815ad26060cc6f903993856f506869d2ecb667c6bc888ad0a42aa0676dea5f5af0eb8b8701788ba99d78f119a686e6f05d7ff73a896564b

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • 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 Enterprise v6

Tasks