General

  • Target

    ee3b0468a16789da8706d46aa361049ec51586c36899646a596b630d913e7304.ps1

  • Size

    902KB

  • Sample

    250328-ra2szawzfz

  • MD5

    7770c598848339cf3562b7480856d584

  • SHA1

    b3d39042aab832b7d2bed732c8b8e600a4cf5197

  • SHA256

    ee3b0468a16789da8706d46aa361049ec51586c36899646a596b630d913e7304

  • SHA512

    02af6d5910f0627074fbea72901b2f2b491f7dba58f53ae1fad1dc47230e000a7b459c8475a76aaf006629bb5822d89d4672d32fb64d073464ca41140cb134d2

  • SSDEEP

    6144:KxYcCQ2x63Ib0NQrqxpPbI1ZVedvUhwDNGjG+zBumDKemdglhykA:KCQ2x6TdvUqDUjG+zBumDKemdgy9

Malware Config

Extracted

Path

C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\665862-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .665862 -- 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. Additionally, you must know that your sensitive data has been stolen by our analyst experts and if you choose to no cooperate with us, you are exposing yourself to huge penalties with lawsuits and government if we both don't find an agreement. We have seen it before; cases with multi million costs in fines and lawsuits, not to mention the company reputation and losing clients trust and the medias calling non-stop for answers. Come chat with us and you could be surprised on how fast we both can find an agreement without getting this incident public. -- 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_665862: AjNkN5slbmr0NgJXKiWZqeh2MvvCXidh1DgUjULnN/NxjKfDy+ B4PZ/xqqLMazM0Dv2YKOJHKxk87yusm9ynJr5Z7s7mGeVPkTQh 0gRiWGbrq4Jnt28zIHxqJNXxn92UpuyKvaWhVllA0lxGQDtFt1 kaDO/VzcVzymi83sDziyU4iK3j4cWW+VyiaTPV70y3VlD28XSx 9S5kuj0eMV/SoJ8mwXQeJWhUZdX6rAEbpOMt616O3wNyMhI3+b b9DvHdNACctZtHvJqs41zoGTdKUI04eDjUoVXYoA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\Crashpad\353EA4-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .353ea4 -- 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. Additionally, you must know that your sensitive data has been stolen by our analyst experts and if you choose to no cooperate with us, you are exposing yourself to huge penalties with lawsuits and government if we both don't find an agreement. We have seen it before; cases with multi million costs in fines and lawsuits, not to mention the company reputation and losing clients trust and the medias calling non-stop for answers. Come chat with us and you could be surprised on how fast we both can find an agreement without getting this incident public. -- 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_353ea4: hI5dx8odLWxPstXVTk1dcHAa+p8hrfjmv75Y2aLRzSW2OJY8Za wDpUUUgqi9akJQEYma+SRWaHoLWiz9iAWpQpmjA5mLMuMYkTQh 0j2kPjUGqKXsk5KIF8lNV8+ypQ6sW8TmXmr6yxBlxB0YP4cqpW 70DCLe1oEkDc0cx0SFg1LSfAmiFOFLM4tQsHTIEjKVBn7swS1t KSW1Bg8dF/JkK1rkDfyNa4/Z1o38fsrxq7kUCtxEIIRf5RYuTZ zmkEOSBxubaQqM5lZJsnX9mK0hVFZkNYF33XSf3g==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      ee3b0468a16789da8706d46aa361049ec51586c36899646a596b630d913e7304.ps1

    • Size

      902KB

    • MD5

      7770c598848339cf3562b7480856d584

    • SHA1

      b3d39042aab832b7d2bed732c8b8e600a4cf5197

    • SHA256

      ee3b0468a16789da8706d46aa361049ec51586c36899646a596b630d913e7304

    • SHA512

      02af6d5910f0627074fbea72901b2f2b491f7dba58f53ae1fad1dc47230e000a7b459c8475a76aaf006629bb5822d89d4672d32fb64d073464ca41140cb134d2

    • SSDEEP

      6144:KxYcCQ2x63Ib0NQrqxpPbI1ZVedvUhwDNGjG+zBumDKemdglhykA:KCQ2x6TdvUqDUjG+zBumDKemdgy9

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Netwalker family

    • Renames multiple (551) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

MITRE ATT&CK Enterprise v15

Tasks