Analysis

  • max time kernel
    7s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    03/09/2020, 14:14

General

  • Target
    win.bin.exe
  • Size 4.7MB
  • Sample200903-nn7y32a41e
  • SHA256 f8766ecc7775a6b14e6e46ef1e162cb609179c7a44e39a393c8fcd2ef0cd8ff0
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Path
  • \??\c:\ReadMe.txt

Ransom Note
  • Hello IF YOU ARE READING THIS, IT MEANS YOUR DATA IS ENCRYPTED AND YOUR PRIVATE SENSIVITIVE INFORMATION WAS STOLEN! READ CAREFULLY THE WHOLE INSTRUCTIONS TO AVOID PROBLEMS WITH YOUR DATA YOU HAVE TO CONTACT US IMMEDIATELY TO RESOLVE THIS ISSUE AND MAKE A DEAL! !!!WARNING!!! DO NOT Modify, Rename, Copy or Move any file. You can DAMAGE them and decryption will be impossible! DO NOT Use any third-party or public decryption software, it also may DAMAGE files. DO NOT SHUTDOWN or RESET your system, it can damage files. There is ONLY ONE possible way to get back your files Do not waste your time, contact us and pay for special DECRYPTION KEY. The key is all you need. For your guarantee we will decrypt 2 of your files for free, as a proof that it works. Your network was fully COMPROMISED! We Can discuss how to secure it as a bonus. The data that we gathered could be published in MASS MEDIA for BREAKING NEWS! If we make a deal everything would be kept in secret and all your data will be restored. I could make them public them if you decide not to pay. contact us immediately: [email protected]

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\win.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\win.bin.exe"
    1⤵
    • Drops desktop.ini file(s)
    PID:3832
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1164

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/3832-0-0x0000000000400000-0x00000000008F2000-memory.dmp