Overview

overview

10

Static

static

10

26dfa8512e...bb.exe

windows10-2004-x64

10

26dfa8512e...bb.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    159b7e7963db5c8f5b373817d2fd5f240a34eec916d0747f3a8c0ea6a05f3d9e
  • Size 39KB
  • Sample260812-fm24qaap2y
  • SHA256 159b7e7963db5c8f5b373817d2fd5f240a34eec916d0747f3a8c0ea6a05f3d9e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
netwalkerdefense_evasiondiscoveryexecutionimpactransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\6AFE8D-Readme.txt

  • netwalker

Ransom Note
  • Hi! Your files are encrypted. All encrypted files for this computer has extension: .6afe8d -- 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, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_6afe8d: 0pipOzufPgav1a1vjR84bnGsha/7ZGG2KyzpcnwlBQo3KaDy6C jcr/gxEk1jNwIAvPY7Ql4liYA9wqQli7FHJhAth3aE9qouhTEv RX9Jr8+wnf9iBB4n9oUGPcxuM7EzmP0QBzFSaWw98XWtjeyP5G QpkzYNhDjmk1IlzsFymK6gYJ+sfQF79movUON3VQk1cPR2Yjxn seRvr4vo+ScaOKv/pI0MdCAt5yyWT9XA+4QNUtKdUh2zL+Jy9J d/PkdPbC+DDGE4p6ZlxbW/FqhHxTyIM4XCnSCdeA==}
URLs

  • http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

  • http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

  • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\92F7B6-Readme.txt

  • netwalker

Ransom Note
  • Hi! Your files are encrypted. All encrypted files for this computer has extension: .92f7b6 -- 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, your data may have been stolen and if you do not cooperate with us, it will become publicly available on our blog. -- 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_92f7b6: ip8egilwaa4KEykfn9n0LGUFp0t/y5eX2cUcEOj5RhMy+3ErR9 RdcAOcOAN+BtnQIdfZtsIVq25MlENhU12oYjeCRPw8jTdfhTEv RVC0jRpXsYR+u7quDTCDGhWPqZ28b8pmtpH5JJgrneQQ0Ge2B3 c6AnuNk3udaDH3GZb52eSqRyuv5WmyYSyJOrRDMZS8RftQlUbt OHdLEk4r9NhYkIqxCR6SPzCOkixZqsZlyS3XQ5geMYRdS2r5Jo He0O4QcHS7kJwxMi2i7GTBwQrkEjaVN3hgTzYnVg==}
URLs

  • http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

  • http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target
      26dfa8512e892dc8397c4ccbbe10efbcf85029bc2ad7b6b6fe17d26f946a01bb.exe
    • Size 69KB
    • SHA256 26dfa8512e892dc8397c4ccbbe10efbcf85029bc2ad7b6b6fe17d26f946a01bb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionnetwalkerimpactransomwarespywarestealer

    • Family: Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

      ransomwarenetwalker

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (7658) files with added filename extension

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

      ransomware

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks