General

  • Target

    RNSM00356.7z

  • Size

    3.9MB

  • Sample

    241107-z8hfzsyfkj

  • MD5

    376785ae266b5afd8aca391147462e44

  • SHA1

    35b982f366aaae74e368e935560a9040e5a16ce6

  • SHA256

    a5aad9efebed50cd31ba1f27ed16d7b56da8aa63407e2f949bed778e18233c51

  • SHA512

    6eb0f0869ec1954dfa14cb788b7b1557ab355d5f0a57bab0fa457a6ab272e80b802b8e36796cccdb3e83dcd0979e8178f6ed2ce19a35d04f3ba4c3bf3feb743c

  • SSDEEP

    98304:xhMqxdoBUoWTqmowUNWxnnruTPQaXbB7wfXyBsogDP2JEuqg9d:pzCgnrgP9ByyBsogilR9d

Malware Config

Extracted

Path

C:\$Recycle.Bin\OZUGY-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .OZUGY The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. The server with your key is in a closed network TOR. You can get there by the following ways: ---------------------------------------------------------------------------------------- | 0. Download Tor browser - https://www.torproject.org/ | 1. Install Tor browser | 2. Open Tor Browser | 3. Open link in TOR browser: http://gandcrabmfe6mnef.onion/c2e6ee19141949a8 | 4. Follow the instructions on this page ---------------------------------------------------------------------------------------- On our page you will see instructions on payment and get the opportunity to decrypt 1 file for free. ATTENTION! IN ORDER TO PREVENT DATA DAMAGE: * DO NOT MODIFY ENCRYPTED FILES * DO NOT CHANGE DATA BELOW ---BEGIN GANDCRAB KEY--- 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 ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/c2e6ee19141949a8

Extracted

Family

hawkeye_reborn

Version

9.0.1.6

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Princeboy1
Mutex

123f6b8d-bd46-482b-bbfe-b5cde1cc0d04

Attributes
  • fields

    map[_AntiDebugger:false _AntiVirusKiller:false _BotKiller:false _ClipboardLogger:false _Delivery:0 _DisableCommandPrompt:false _DisableRegEdit:false _DisableTaskManager:false _Disablers:false _EmailPassword:Princeboy1 _EmailPort:587 _EmailSSL:true _EmailServer:smtp.yandex.com _EmailUsername:[email protected] _ExecutionDelay:10 _FTPPort:0 _FTPSFTP:false _FakeMessageIcon:0 _FakeMessageShow:false _FileBinder:false _HideFile:false _HistoryCleaner:false _Install:false _InstallLocation:0 _InstallStartup:false _InstallStartupPersistance:false _KeyStrokeLogger:false _LogInterval:300 _MeltFile:false _Mutex:123f6b8d-bd46-482b-bbfe-b5cde1cc0d04 _PasswordStealer:true _ProcessElevation:false _ProcessProtection:false _ScreenshotLogger:false _SystemInfo:false _Version:9.0.1.6 _WebCamLogger:false _WebsiteBlocker:false _WebsiteVisitor:false _WebsiteVisitorVisible:false _ZoneID:false]

  • name

    HawkEye Keylogger - Reborn v9, Version=9.0.1.6, Culture=neutral, PublicKeyToken=null

Targets

    • Target

      RNSM00356.7z

    • Size

      3.9MB

    • MD5

      376785ae266b5afd8aca391147462e44

    • SHA1

      35b982f366aaae74e368e935560a9040e5a16ce6

    • SHA256

      a5aad9efebed50cd31ba1f27ed16d7b56da8aa63407e2f949bed778e18233c51

    • SHA512

      6eb0f0869ec1954dfa14cb788b7b1557ab355d5f0a57bab0fa457a6ab272e80b802b8e36796cccdb3e83dcd0979e8178f6ed2ce19a35d04f3ba4c3bf3feb743c

    • SSDEEP

      98304:xhMqxdoBUoWTqmowUNWxnnruTPQaXbB7wfXyBsogDP2JEuqg9d:pzCgnrgP9ByyBsogilR9d

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

    • Gandcrab family

    • HawkEye Reborn

      HawkEye Reborn is an enhanced version of the HawkEye malware kit.

    • Hawkeye_reborn family

    • M00nd3v_Logger

      M00nd3v Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

    • M00nd3v_logger family

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visibility of file extensions in Explorer

    • Troldesh family

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • Windows security bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • M00nD3v Logger payload

      Detects M00nD3v Logger payload in memory.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Renames multiple (297) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Windows security modification

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks