Overview

overview

10

Static

static

10

e35d0d61c0...c3.exe

windows7_x64

10

e35d0d61c0...c3.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    158s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 01:21

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    e35d0d61c0a6ba265e826435eb222ade8272668df6094595fd6a9a21b3f843c3.exe

  • Size

    65KB

  • MD5

    17c00e51b802ca73c3fe75dc4fc9c4f3

  • SHA1

    df10c7190b811a19abaf3814520a3a78bb0e5194

  • SHA256

    e35d0d61c0a6ba265e826435eb222ade8272668df6094595fd6a9a21b3f843c3

  • SHA512

    4c6cfb7d149be0db7eca2b4f8d6d31d737e134e72956d32154641aaa7ff048b2ee917bb4981bdca3c16c20149ac8f2f46af1582ed72085339513ad187b935cdd

Score
10/10
netwalkerransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\1A5864-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .1a5864 -- 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_1a5864: gd1cNH4Y8FJ2niPwMnoRbhSWr0p7t5NBKBhgtI7vWZBWPd4Lhx 09oeK91YSa7Wc/aV/hcW8Z7xT22zNpB6glYucfBa80ZWQgGRxN pL/JQRfl7e57tlVjRArcaS29OGZ0cDqV13ARHukHRl5cN0CB11 lLNQ0Gdc9RnmpX8Qe7l6iBEXuYGmEI2Av15oasGhXpOomUahhh DM5ppxvVVzPvnCIGh3hwH9cblYLmh6tMiS/iw1Jl1nKQNqXt8G T5nlQeUt90dyYWA8jV+0DNuhb5cbFxXcJz884mAA==}
URLs

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 8 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\e35d0d61c0a6ba265e826435eb222ade8272668df6094595fd6a9a21b3f843c3.exe
    "C:\Users\Admin\AppData\Local\Temp\e35d0d61c0a6ba265e826435eb222ade8272668df6094595fd6a9a21b3f843c3.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:1592
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:576
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1592-55-0x00000000758A1000-0x00000000758A3000-memory.dmp

    Filesize

    8KB

    Download