Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    04/07/2020, 15:21

General

  • Target
    194270766c8afe4cdd99c8f1ebdbc18321bd79ac6f2f3e0c0638ea93ffe8aaf6.exe
  • Size 2.0MB
  • Sample200704-drvs321ale
  • SHA256 194270766c8afe4cdd99c8f1ebdbc18321bd79ac6f2f3e0c0638ea93ffe8aaf6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\READ_ME_Heyyyyyyy.txt

Ransom Note
  • All your files have been encrypted! All your documents (databases, texts, images, videos, musics etc.) were encrypted. The encryption was done using a secret keythat is now on our servers. To decrypt your files you will need to buy the secret key from us. We are the only on the world who can provide this for you. What can I do? Pay the ransom, in bitcoins, in the amount and wallet below. You can use www.coindirect.com/de - coinbase.com - coinmama.com - LocalBitcoins.com to buy bitcoins. 0,036 Bitcoin = 300 EURO Send BTC Address = 1NxoWvpXufC5PkagnfWD9Rf19wm5jchVkX
Wallets
  • 1NxoWvpXufC5PkagnfWD9Rf19wm5jchVkX

Signatures

  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\194270766c8afe4cdd99c8f1ebdbc18321bd79ac6f2f3e0c0638ea93ffe8aaf6.exe
    "C:\Users\Admin\AppData\Local\Temp\194270766c8afe4cdd99c8f1ebdbc18321bd79ac6f2f3e0c0638ea93ffe8aaf6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\XVlBzgbaiC.exe
      C:\Users\Admin\AppData\Local\Temp\XVlBzgbaiC.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:1308
      • C:\Users\Admin\AppData\Local\Temp\xX.exe
        "C:\Users\Admin\AppData\Local\Temp\xX.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Modifies system certificate store
        • Sets desktop wallpaper using registry
        PID:1496
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C timeout 2 && Del /Q /F C:\Users\Admin\AppData\Local\Temp\xX.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1904
          • C:\Windows\SysWOW64\timeout.exe
            timeout 2
            5⤵
            • Delays execution with timeout.exe
            PID:1948
      • C:\Users\Admin\AppData\Local\Temp\xc.exe
        "C:\Users\Admin\AppData\Local\Temp\xc.exe"
        3⤵
        • Adds Run entry to start application
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        PID:1616

Network

        MITRE ATT&CK Enterprise v6

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