General

  • Target

    58b742a8ed546cf478aa580d3ca5fb4f_JaffaCakes118

  • Size

    904KB

  • Sample

    240519-fwbm5abh6v

  • MD5

    58b742a8ed546cf478aa580d3ca5fb4f

  • SHA1

    dfe82e7ebc4193fbe61c041b93d0c6d2df1ecc7c

  • SHA256

    c99f0cdc9ce6460f62519b06cbf3ac42deef8e62607b91410cc02edb75ed2fe3

  • SHA512

    9fac7484dd996ca12fbbd5a50ee6ec3c7ff164ceddc537590247ed6f0f85c22f209e75eedef7b10f26fbf48dccdde5242a474eac1c2d89a1d985dd6db8dd8500

  • SSDEEP

    12288:sOCK75efghgLg/GDL6LOLL7LkXx4OKqWLLLivLYLLL8LxL5R:F

Malware Config

Extracted

Path

C:\Program Files (x86)\MSBuild\11F453-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .11f453 -- 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_11f453: UvE3jWF7bXRO0iHnyMxa6QJMwuikXXrogQpyVJI1e0u6RcR2jF Ee1QxUQA4pCVgBoVejO0pNkepGzWAHWGBVoR4GJyJeMdJwjQc1 +EoSuYDHvkTEMPzLKFRc/uz0O7lsLeEON+PAoHyDRL5k6Cift4 801KB6DuKtm7E/kZo5cjAPOicj2Vy90kZz7yQ24Us1l9VBNiLZ ANq/4zz50SyEdnqkLi2piYhLYVYhW+087c1ns4Dg3TPTLnbTR5 ptyC8ZhMzlHp/saPFXVOmHWdY2nemlGq4ogZTEEA==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\dotnet\AB763D-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .ab763d -- 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_ab763d: a6On7rM/fuwJNyD+M/NeHALHxmykWCxM+dKahPayPoygCLen5R rRR7O9O/n5dPlEICp8pgh4xJyvoc2DaoRVTXXQkGOe5mgXjQc1 +Nv3uU1INfYl7b3PXvSolTz+SSVt084qGDk8EtewaRJAHtzKmn nfyK0UGxHz5opr7Yz2MKN97XDoRXaUV8mpsdXYr41y6+vpFDaP VY0zJDTju/KC7MfR0yaLKbJzdZczfHru0H3JuoCTpRCIvJNCNF X3K+a2nQ4+EhRuui+O7V5QWtDEsahn0qlBw6yN4A==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      58b742a8ed546cf478aa580d3ca5fb4f_JaffaCakes118

    • Size

      904KB

    • MD5

      58b742a8ed546cf478aa580d3ca5fb4f

    • SHA1

      dfe82e7ebc4193fbe61c041b93d0c6d2df1ecc7c

    • SHA256

      c99f0cdc9ce6460f62519b06cbf3ac42deef8e62607b91410cc02edb75ed2fe3

    • SHA512

      9fac7484dd996ca12fbbd5a50ee6ec3c7ff164ceddc537590247ed6f0f85c22f209e75eedef7b10f26fbf48dccdde5242a474eac1c2d89a1d985dd6db8dd8500

    • SSDEEP

      12288:sOCK75efghgLg/GDL6LOLL7LkXx4OKqWLLLivLYLLL8LxL5R:F

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Renames multiple (7469) files with added filename extension

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

MITRE ATT&CK Enterprise v15

Tasks