Overview

overview

10

Static

static

10

adf29a219b...9f.exe

windows7_x64

10

adf29a219b...9f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 01:25

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General

  • Target

    adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f.exe

  • Size

    69KB

  • MD5

    01f7032340473bfc2ee0ba47de9864fe

  • SHA1

    70ad6a3c69bd014264258daf75f490cd2a513f0b

  • SHA256

    adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f

  • SHA512

    87f815d1fdfb5ec388e631746701f07972cb8139d5691894db3854d37734f940758a307d2fb18976e6fca0532ada055409b2c41732619d2e770a9f304c7f358c

Score
10/10
netwalkerransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\User Account Pictures\FBF266-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fbf266 --!!!!!!!!!!!!!!!!! If you don 't pay: 1) We will publish your data and technologies in the public domain 2) we will publish news about your hacking and data+technology leaks. This will affect your shares and shareholders. --!!!!!!!!!!!!!!!!! -- 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_fbf266: /2IAnu5olVkrMYTW1g0W5ytGsCXJIZGPn7A0bnel+vvmUVFzUK QjBQoe00REbMxzVs9ZrPwSu78sQXCS0sBAWGuufioJgxRlsT1Z 581sXsIrheDWRgiW4XWlxx7S3NBjZbJMmFzI9DogyT0lPZOheY IHI6cqZHf2wBAu18yeTt4cfKNfC+YwcuoxB3LA90Tecr03P7FR 1Zc4U6KdmOmyDVhT1FVo95hcfNsnVSmpZX9fTaCeLtTd6fqeFx IrhX82l6s9OE1IKMLIVGsXOlSCnM8TYX8y627CGw==}
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 3 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\adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f.exe
    "C:\Users\Admin\AppData\Local\Temp\adf29a219ba2d948dd856ee7abaa51babaa30e11ad3ca56b58e66336c3c2369f.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:1704
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1828
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1704-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB

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