General

  • Target

    b90e8a558e2fa4976a5c4df3304bec2264775a8efa22ac0ceb821fa18977bcd6

  • Size

    65KB

  • Sample

    220201-bse4xsfca8

  • MD5

    045063e4b4e0ce9538b00a2282b91c94

  • SHA1

    68f53ae18fc5802ee7e14bd59fe244591cb01a6f

  • SHA256

    b90e8a558e2fa4976a5c4df3304bec2264775a8efa22ac0ceb821fa18977bcd6

  • SHA512

    732fbaf551b715816ea5f9467463c89487917e56f3b82794633412cd4b9987942c7c1d6abc6ed5607af078c0f26cbca504cf8b19fe3bf3713e2bd2a2b6ca579e

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\WER\ReportQueue\NonCritical_x64_15ac16619585aa27282df5e4c6acd0916524a313_cab_00f44e8c\35CF47-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .35cf47 -- 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_35cf47: OH4XZ72vG4t5sOZX2efBAiEUYQcStffrTGb7sBUmf7C9U504sq zbTlvE1imrMs3KnTLHDmVT+K5mD80oDta3pmsNhvDkV3px4zJ3 iYFHzzXr3qgHZMwIvED7sDXdkNJrcfVPTloQtF9AZ2Zpryi42f E6F+pkCXjfSznix/+9/+4JBqbIOUOtnYZfF47z/dG7SGqXad92 dle8e7/FeA6QpMKkTJ5a+Ew13IfhFBZy2ecyJ7bO7/RGBi+P05 EvdBf9mYaVPlACNVg7PZCftBBFvvuD8y7miQuTKA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files (x86)\Adobe\Acrobat Reader DC\49A39C-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .49a39c -- 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_49a39c: WDkMjuN5U9oLiM4r4OBwQtFoPi8W7ZlwQUXJAt2AXwFxp1arA9 O++JX6jKw4GJAjTXlhTP4A5BILOxbkfmGiSx9HEAeI5Axk4zJ3 iVGco0nMGSNW/7tx9aqmdK2X7DkNiT+Tmp9bUGgqHxy19GDh88 JpX0gySseNKSfBC6UR56+44GPHdjY4zNgqrcpaSPKMGNVZ/hC4 HQBugYbeaMhND3lDuI+j3ZAnZIG7CJCqJBQEDLb2aViPEyl42F REjiFxu/qQN2Wsvgkxinm+Ls0bnKjARVqUeOdb2w==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      b90e8a558e2fa4976a5c4df3304bec2264775a8efa22ac0ceb821fa18977bcd6

    • Size

      65KB

    • MD5

      045063e4b4e0ce9538b00a2282b91c94

    • SHA1

      68f53ae18fc5802ee7e14bd59fe244591cb01a6f

    • SHA256

      b90e8a558e2fa4976a5c4df3304bec2264775a8efa22ac0ceb821fa18977bcd6

    • SHA512

      732fbaf551b715816ea5f9467463c89487917e56f3b82794633412cd4b9987942c7c1d6abc6ed5607af078c0f26cbca504cf8b19fe3bf3713e2bd2a2b6ca579e

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Tasks