General

  • Target

    Netwalker.ps1

  • Size

    5.1MB

  • Sample

    221124-xhlplsce86

  • MD5

    b1f0093b89561c6123070165bd2261e2

  • SHA1

    aac57162dc1311f07a869f7163bd30e0d62dcc0e

  • SHA256

    f4656a9af30e98ed2103194f798fa00fd1686618e3e62fba6b15c9959135b7be

  • SHA512

    637b40a33fc8e5d478128242f621ceefcb158b1d411898fbf4bb2e7352fd214befd58c308297108d631d5b4e4b44f953ac51676b02ef20e8de9dc122ef0ba797

  • SSDEEP

    24576:3lWHR7hoxn6yTYo1oc8UcMIh/MuwL+zn4ltC3O+wXCwNLaLRcfIAM1Bq9p0IQWwS:l

Malware Config

Extracted

Path

C:\8A40BE-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .8a40be -- 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_8a40be: hPSUOPeh+60oxcNagMRrdfW4B938lqCKvZgnKxCqjb99bg41OI 1p7iSNNibeIzuzyY/xr7Nevb3LaitQrsiMsuTY7cXwzgdTL0Sb SBr8FtQtltGFaOdxfANhgBq/VVK4vIhhnfkXLAJyXEwISeU5wt 1Onpvp7i3zqO3HNI6/n/KHHF/zKD623hv51YyzMz3QHO0081XI 5Pyl7T0Gtw0E++Rux9Msg2rt1I30cVFEvAb8tr2fZ26+pSc1N9 QyyTsfjMq4UmlhMe5MsaQ/qGUliV0zwHj0bHTUmw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      Netwalker.ps1

    • Size

      5.1MB

    • MD5

      b1f0093b89561c6123070165bd2261e2

    • SHA1

      aac57162dc1311f07a869f7163bd30e0d62dcc0e

    • SHA256

      f4656a9af30e98ed2103194f798fa00fd1686618e3e62fba6b15c9959135b7be

    • SHA512

      637b40a33fc8e5d478128242f621ceefcb158b1d411898fbf4bb2e7352fd214befd58c308297108d631d5b4e4b44f953ac51676b02ef20e8de9dc122ef0ba797

    • SSDEEP

      24576:3lWHR7hoxn6yTYo1oc8UcMIh/MuwL+zn4ltC3O+wXCwNLaLRcfIAM1Bq9p0IQWwS:l

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Modifies Installed Components in the registry

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Tasks