Overview

overview

10

Static

static

278f0dcb42...39.dll

windows7_x64

10

278f0dcb42...39.dll

windows10-2004_x64

10

Analysis

  • max time kernel
    202s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    01-02-2022 01:33

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General

  • Target

    278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39.dll

  • Size

    57KB

  • MD5

    59efb6774ad0b6ee41184e49e7f14c1e

  • SHA1

    7cde3ed8f0b731044783d40481fe9cc892c8f978

  • SHA256

    278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39

  • SHA512

    836e7ad821eca323e815ad26060cc6f903993856f506869d2ecb667c6bc888ad0a42aa0676dea5f5af0eb8b8701788ba99d78f119a686e6f05d7ff73a896564b

Score
10/10
netwalkerransomwarespywarestealer

Malware Config

Extracted

Path

C:\5B361F-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .5b361f -- 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_5b361f: //H5GgHH3YBo3CkkxDPWPQtnnlfuXiA2XlRWGPNj/oKj6ojXeA 7qNe2oeq+ylv0xo3Gcnz98wW/EB9GZVQHZuUzvh2VO3xlj65Yy i+NykmrZf6a2JnCjD/fdc0V+6WDjTulmnGjfHSbknw0YtsALtC D1TTBXQq/1UEK54tqt3Pq00vkDDRumFg3FCwDcuA+HEtqpwS1f FtgG9NQOCz705bSBnGfM4DgC76Zeo5Johsh7Dakgcug7CtzBFk 3I+cj5QV+niCM/MCF9sQqktpJmqJizxhin5GmLVw==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\278f0dcb42837dbe078cd80057d9d6541d6f82e0163495425fd6716965b20b39.dll,#1
      2⤵
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:376

Network

MITRE ATT&CK Enterprise v6

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