Overview

overview

10

Static

static

10

ae2f99e785...79.exe

windows7_x64

10

ae2f99e785...79.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    159s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 01:25

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General

  • Target

    ae2f99e7858ba084520795e0ac40f7f511b9242f5079069ed359934f523b4f79.exe

  • Size

    69KB

  • MD5

    fead7dc34c78049f8c85151f3596f732

  • SHA1

    57ca011a891619aa2c10058f0c03d38e36247dcc

  • SHA256

    ae2f99e7858ba084520795e0ac40f7f511b9242f5079069ed359934f523b4f79

  • SHA512

    df1d70b3b3db9307a66d24c1850fc2ad685f391d0d6ddc8d604e6fbe4740c97d8d220fab705513236b81c5c93c0ce142b1e9c36898ee07a7bdd279136425171b

Score
10/10
netwalkerransomwarespywarestealer

Malware Config

Extracted

Path

C:\Recovery\bb8f4342-587c-11ec-ba95-d612cd5803e9\0A7439-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .0a7439 -- 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_0a7439: +OspqoSP5iJZj0efh8/EvaqSOaEeEz0t5NTXUCxPQVOFXBCuW4 fRv/gudRgMGhOhNJJ09gBoepGH2qvL0Fv9I5VkboeBavcRfZTp sihepraTJI0RUIFhOE7vYZuizOzm3qldVSLFY8EEdDdLxTARQE pujLNMLzCYXODr0lS/li37JDExDEnw6Y4J4bYIzjS51VU/36Vm 0zECjmc/d0SZ2JbfR5DBvG+2eLkrv8w61ccXFC+Azwp7p4zQ5a n+eJlFa0EBdHf/FHkR0zpxTVPc3W/yVwnFv/K7Fg==}
URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

  • Netwalker Ransomware

    Ransomware family with multiple versions. Also known as MailTo.

    ransomwarenetwalker
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae2f99e7858ba084520795e0ac40f7f511b9242f5079069ed359934f523b4f79.exe
    "C:\Users\Admin\AppData\Local\Temp\ae2f99e7858ba084520795e0ac40f7f511b9242f5079069ed359934f523b4f79.exe"
    1⤵
    • Modifies extensions of user files
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:588
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:7028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1564-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

    Filesize

    8KB

    Download