Overview

overview

10

Static

static

8

2bce87481a...79.exe

windows7_x64

10

2bce87481a...79.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    164s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 01:33

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General

  • Target

    2bce87481a923867aa260cd8fb6c728297a90439fcdd39a2d6b3c027374d1079.exe

  • Size

    116KB

  • MD5

    2a3dd8079a741452644f09c40d79fd60

  • SHA1

    aef9251a62a8d7cb430f0788d8cf302b8a705419

  • SHA256

    2bce87481a923867aa260cd8fb6c728297a90439fcdd39a2d6b3c027374d1079

  • SHA512

    d75a89e664ad67c69aba7782e4d793c5e12f62840ac6889f50abd38db4b55eb6318b9401b6f5af79211cf714cfb292e276c2af13d7ad789d9269572b4abbbb43

Score
10/10
netwalkerransomwarespywarestealer

Malware Config

Extracted

Path

C:\Program Files\VideoLAN\VLC\locale\as_IN\LC_MESSAGES\3FD3C1-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .3fd3c1 -- 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_3fd3c1: cHVgwwd1y0Ue8kGfDrWFa6qNY+j5zmsH2+Uymt0RQdGfh+5NFq whWPOF4UsyRepQeIgEYMTdPw8vlhwK95ILbX2JKtNGMSU/41Zj AmUUzfe/cEmUmOeaHgJEVMelvSom/guONTdBqE8wrQQE/qCLyr HrEmRxnvurI9pqrHCqD5A+7tMus+mHH775dUIr9ftkpY/DgShy EX6+x3Ey2nCalI1eFKQIxykDZyb3CGO5NfM3RzshgsRIg+83kD sW9wH2JAeQX6q/OKW+S5TB8fXsqCqSohVJlXAyxw==}
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
  • 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\2bce87481a923867aa260cd8fb6c728297a90439fcdd39a2d6b3c027374d1079.exe
    "C:\Users\Admin\AppData\Local\Temp\2bce87481a923867aa260cd8fb6c728297a90439fcdd39a2d6b3c027374d1079.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:268
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1596-54-0x0000000076001000-0x0000000076003000-memory.dmp

    Filesize

    8KB

    Download