gandcrab

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General

Target

http://web.whastapp.com
Sample

240621-xct4sstcmn

Score

10^/10

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\S-1-5-21-3665033694-1447845302-680750983-1000\YQWNB-MANUAL.txt

Family

gandcrab

Ransom Note

---= GANDCRAB V5.2 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .YQWNB 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/1af392cc177c695c | 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/1af392cc177c695c

Extracted

Path

F:\$RECYCLE.BIN\S-1-5-21-3665033694-1447845302-680750983-1000\IKFOLIOM-MANUAL.txt

Family

gandcrab

Ransom Note

---= GANDCRAB V5.2 =--- ***********************UNDER NO CIRCUMSTANCES DO NOT DELETE THIS FILE, UNTIL ALL YOUR DATA IS RECOVERED*********************** *****FAILING TO DO SO, WILL RESULT IN YOUR SYSTEM CORRUPTION, IF THERE ARE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .IKFOLIOM 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/1af392cc177c695c | 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--- lAQAAA94CEQMJN7XwAkq8L5+CsKioP4VaYDWGtw6yr2yE0hgEh/7JzN19cI5uWsjlEHh69e8uU00bGEltk/D724AafOuPsZtPR8Bqw4Nx/rAYBlDhDOC5azXaT2ICVESqXUyCA7DmN+rOOARoE6ohGneCGQsxtYkPkcUrQJE7Areo+CZTrEbegrwriDrFE5uf27ivEIsCC8D+A509vv7wAparUOyBKZ9BEBGWpR4B/LH+lJnvwLBGECNTpdFCjRJ7BoN38+A5jRkibEMQCwFT3m/r8qFWZLeCHDdE5j24PxJ7kqJDZ9BFgg8Igai5nxopjKtwnOTTaMpE653K8uk5zo55RJ60TcT7ZempL5mRhvmnEQ8NUpQfD/sl7rS7xpOG5qfIkydxbhK3v6w9vsYxq8VzD2ZtciOfLt+VZWzb6Mxu9nOqxPsp+9LtaVZ5y75id3OXoEJqMkSjC2eT0FiS0JvZzgqDlqhdWLfK6UEWe0qAtS9a/cv4qvWAsjvgIEOKSdolry+6DTtwkkSqAAnnScXcTnZpwKmJ6m5YMkThoZPbfjGy9umuB/P9PqD15wrOL4TViDFaEwqFqyQfgwfLPuS4TItCvqpsxZcI+3qOhClNa1bgaf+bqhC43/i/sO76Kqain8uLPAiYP48RtQCjnRwX3glgax024PIEdVv4ADvDSBMsgaD8HvKK1iFIQnVI9PcIEjIXlf+Gedq/Seeqs+OhNnu+7BIZCvqi9wwxZOXNGxiFWNcsAxVd+OnqzVu/N4lD13PLaCRsfEu4PCT+V1Tg7Aya85AtQCBpMfVe4ceEAJaANcs6D1DHmf0xjEwkHL+b4ISY38BWiym2NRLPdNb83Y7nK2IFlAqndD52yFRrz2xB/q5Fn5GTa/tllJXmX7HgNiURJ4Hmh1sWC/yIHRZ2f28wvngivv5XgdlA+Lbqz9cOojzseWse1mgRJ3haTaPvauT4aFX1gXdTPR+6PBO+xontQzJsxJtdQ2fTLTnx0NQvj0QafBjlHgOhiiwRP84HEFUaLYotXjaP4RpOUUTP4sZhxVWx3tMgfQEb/nFCkovzg1cbQmgDWlp7d7SMJSMlssd8HtFZWyItvDom6Vm8FATwYC9XykKgdQpO1hQHsoiiaF33Sf76uqIutRw8i0ql4N0yiH5p1tRuntu7snJ40FDQUB5KYnXcJVhpKct3OHFJXsJ40Ujm9j9wpPlWpMBDzmptvZbeuoBlhANIgY2mnDjItiYDhq2X7NN3goNo2mo/OVr4L6izrftktFl9hq976lr42y4O2JLOQvmpyzZfUdJCngcoF1sMvDD2RZ5P318xbv/JfE6XN1tfDnGljTb7eLH2RgMZwZVTnu9HfXbJc5mtjLBxOj6mvHoq13byJfx9LOUsS4VVPgo8+CiuUHsMaBHMxKMwxhrobhXJh3ImgnZgeRgUUa/2YfOoqRfLdG3DDQlMdZgU1h0eMeygJlQ+wMTZ9i5mU3y1o6MOgQdav0KYryeYbu24cXF5dmjjBAbhgDSzh/1YhXO5rbi8DpL+95yQmBYi1FlgByPFZoxKamP3uMF9OuyzsRS/KW463hDpA80JhqGHbhW+vtE20TA/jG1B9nnfejTKoWSQupJ6IUKPL2MFHYxyG6hoI2scqI/qh51n2qe4cn060DZoL6LeNIPs1GEYWjTxgXl5CrZfBYIFiYH0AjHXnFy21pKi9vszp4HyFlw+89y/kDwQa37nso8W6r0LJIg5oL/qClu7Jo8ePHHlqKflhlfjdmAK35XC6aXIRjpoxWjWs1VIuJBSmL5dkweIRFnwdUKTjsnva8gcLU1wK7c2MVfD6ji3bRZ0qG4vmhcczNwVQmQQyjY9pgVudGfwmAPbu0jeCGrEjFMsYz79TbEb3YTHpV0hmTn6cfw65xx4x5kQDaMd/lyowj8uIFl/hq9jZzvLmP/bj+rOFQfIDDZ6lx+ZoH3DG3kDFeYZCOqKCfAJBlOissoBuWllu8SqruHcYHivgut0p/C33/Uqzvp24MkA/TXQhfJU5o+YYcragbgY4b8qlCe00fnWqoVT9Vx5AcZ9yz6yNn2JmuuhiZ/B2FNzuOt2giML2dZaowdejTlTkZvWXupn+dh3sKWekwaYm51KyOjqomYMnmiU9T9cfXweN6T3TfkG150UI4e+5gpwwcR8UEvf7UQtCA5x8m3kg5SEBbM0sWUtxbJ02oiLSGlFHDg9SG/Gv9oMyx0xOj2+FfBF9ZPpKMBU3I= ---END GANDCRAB KEY--- ---BEGIN PC DATA--- 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 ---END PC DATA---

URLs

http://gandcrabmfe6mnef.onion/1af392cc177c695c

Targets

- Target
  
  http://web.whastapp.com
Score

10^/10

gandcrab backdoor bootkit discovery evasion persistence privilege_escalation ransomware spyware stealer trojan
- Gandcrab
  Gandcrab is a Trojan horse that encrypts files on a computer.
  ransomware backdoor gandcrab
- Renames multiple (339) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Disables Task Manager via registry modification
  evasion
- Downloads MZ/PE file
- Event Triggered Execution: Image File Execution Options Injection
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Event Triggered Execution: Component Object Model Hijacking
  Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
  persistence privilege_escalation
- 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.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks for any installed AV software in registry
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Checks system information in the registry
  System information is often read in order to detect sandboxing environments.
- Drops file in System32 directory
- Sets desktop wallpaper using registry
  ransomware
behavioral1