General

  • Target

    598d2938b1a8d8e2a03e40d109d1299fe82b72e2d2a6364b6bfabfccdcd729a6

  • Size

    66KB

  • Sample

    220201-bxec7aegel

  • MD5

    83059fd8732ea6d7fbff2e717c432fac

  • SHA1

    036cc83046013318b9e8809845a9ef211165ec34

  • SHA256

    598d2938b1a8d8e2a03e40d109d1299fe82b72e2d2a6364b6bfabfccdcd729a6

  • SHA512

    b534c892c790dadb14e2abe12c892e1033dddcc695f018d4984e651f14f57022ec92e88c2904b8e3669ae8203b5b7a927a1519482e646978e0d1e4a1c90b2aef

Malware Config

Extracted

Path

C:\Users\Admin\Contacts\8B711E-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .8b711e -- 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: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_8b711e: 1N3mr53ADwr58+5yt5+whziK07U1OgIpI5mmwGVX7KG73eGRI2 MLH5aHy7uCacqz/MoM3Z4lgUF+vQ7Elz/gBa86yq7CPW4T0o4I +IoKgGly0u0r/8mIaIrA7yLC/fSg7klyi/UMtL2BveIWtLs6ys NSmlwiVXGnUcf76/Sw21orUaulhJFzT9BD18LJRwZ5m+szSqxx zNEz0vGm8UXA52Zk1N9QfsWJao1Wq0WSxNYXl1o4NOzJ38etnC /QfL7gPT+KtqkymNvJkiNbSTNsLSAX1jxMv/jiYQ==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      598d2938b1a8d8e2a03e40d109d1299fe82b72e2d2a6364b6bfabfccdcd729a6

    • Size

      66KB

    • MD5

      83059fd8732ea6d7fbff2e717c432fac

    • SHA1

      036cc83046013318b9e8809845a9ef211165ec34

    • SHA256

      598d2938b1a8d8e2a03e40d109d1299fe82b72e2d2a6364b6bfabfccdcd729a6

    • SHA512

      b534c892c790dadb14e2abe12c892e1033dddcc695f018d4984e651f14f57022ec92e88c2904b8e3669ae8203b5b7a927a1519482e646978e0d1e4a1c90b2aef

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • 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

Defense Evasion

File Deletion

2
T1107

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks