Resubmissions

22-01-2025 17:57

250122-wj2xjsxrcy 10

22-01-2025 17:23

250122-vyhxjswrcz 10

22-01-2025 11:23

250122-nhgk8avlal 10

General

  • Target

    2025-01-22_005d09ed67681b222e581e8741fc1d64_mailto

  • Size

    57KB

  • Sample

    250122-vyhxjswrcz

  • MD5

    005d09ed67681b222e581e8741fc1d64

  • SHA1

    22f1ae3021a7b64c66a06f857ca6980440904672

  • SHA256

    17317e47af9ecac9efa465dfe13e130fc1285160974041a75e0a90e21908d1af

  • SHA512

    01b32a89435269ee3090595a02aee190715bf68315705b1e665d6d7507a6d84c271169e7e267faaa97e519713c3c563b9fc81bef208e2bd13334a7bd9f33b0ec

  • SSDEEP

    1536:Pokamp8C3eGQYVynB7pc21bV5Mbem9zM0gh2ZHHTsrt:PoxmyeDQYQB+21bVabemtM0Y0zc

Malware Config

Extracted

Path

C:\Program Files (x86)\Common Files\Oracle\Java\D2659F-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .d2659f -- 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_d2659f: sHf6YM6alJQfv9DW66drEsufibBtrVYk3GlVwniUqdO02kk4S8 yGcxt+2tSR+USoBEguQ7BwE927qgxiAqGdPCjobhe+Dv5QNPbn h94e2cym5D6aOD7LTbNAk+UYUs4PleBAECO0GOazpbYr0aCa7g 8+7HuAc/KfuAzFGA49OCtagOor+kG2qWV5ECucAOoQp/reaF+3 NNqdl8s7KmJ3tT8ZdJ6SI1OM44zwsqEvHG+Uc8B5ItikmwnYuw kPMAVwr/x7ldOFnyAs8quiW8jnpTfS4JU1yVS8Mw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      2025-01-22_005d09ed67681b222e581e8741fc1d64_mailto

    • Size

      57KB

    • MD5

      005d09ed67681b222e581e8741fc1d64

    • SHA1

      22f1ae3021a7b64c66a06f857ca6980440904672

    • SHA256

      17317e47af9ecac9efa465dfe13e130fc1285160974041a75e0a90e21908d1af

    • SHA512

      01b32a89435269ee3090595a02aee190715bf68315705b1e665d6d7507a6d84c271169e7e267faaa97e519713c3c563b9fc81bef208e2bd13334a7bd9f33b0ec

    • SSDEEP

      1536:Pokamp8C3eGQYVynB7pc21bV5Mbem9zM0gh2ZHHTsrt:PoxmyeDQYQB+21bVabemtM0Y0zc

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Netwalker family

    • Renames multiple (6767) files with added filename extension

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

    • Reads user/profile data of web browsers

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

MITRE ATT&CK Enterprise v15

Tasks