General

  • Target

    3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750

  • Size

    586KB

  • Sample

    220701-h85g3sbdc8

  • MD5

    6be55222abd92fa15e0842014bb13116

  • SHA1

    00dff6871b36c36828b5e2fcd1e3ac6a886025ad

  • SHA256

    3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750

  • SHA512

    827bcdd8302c88b13c67fc6f5a9fef9487c36e72b56597f770705fc1149643f82396b45544542851b733ee11fd15ab9f6f276a4be36a48cdc5c7436ac47cf2c9

Malware Config

Extracted

Path

C:\EDHHNDIG-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.4 =--- ***********************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: .EDHHNDIG 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/14694067130573e6 | 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/14694067130573e6

Extracted

Path

C:\BAUTLLWVT-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.4 =--- ***********************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: .BAUTLLWVT 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/78a235bbd87537f9 | 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/78a235bbd87537f9

Targets

    • Target

      3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750

    • Size

      586KB

    • MD5

      6be55222abd92fa15e0842014bb13116

    • SHA1

      00dff6871b36c36828b5e2fcd1e3ac6a886025ad

    • SHA256

      3e71e188e91521dfe6b679264592598593a662fc1e3ef3ec0d9718831455a750

    • SHA512

      827bcdd8302c88b13c67fc6f5a9fef9487c36e72b56597f770705fc1149643f82396b45544542851b733ee11fd15ab9f6f276a4be36a48cdc5c7436ac47cf2c9

    • GandCrab Payload

    • Gandcrab

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

    • suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

      suricata: ET MALWARE [eSentire] Win32/GandCrab v4/5 Ransomware CnC Activity

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

1
T1107

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks