General

  • Target

    e42fbcc86cd6efa1594057d920aedc6deaeb02aa03df675a9c11434a436c464f

  • Size

    139KB

  • Sample

    220128-wdngzahfcp

  • MD5

    a9dbdfa4af98af0b90a995a1ee451b64

  • SHA1

    4af5cafaf29bfb7fc80958c20010d7f930d2c259

  • SHA256

    e42fbcc86cd6efa1594057d920aedc6deaeb02aa03df675a9c11434a436c464f

  • SHA512

    fbd409d7b4cbd8d573f895e32a9913e2898b0342dadc29d73509a92feeb9079f08f95ecf68e845be2c2dc329c8b9c021787ebbfac88fd12d8649c15903210e8d

Malware Config

Extracted

Path

C:\WWHWRREFK-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: .WWHWRREFK 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/d5a06000e7ec11a5 | 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/d5a06000e7ec11a5

Extracted

Path

C:\HGVJKZBAD-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: .HGVJKZBAD 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/b386c3bb4719bcbb | 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/b386c3bb4719bcbb

Targets

    • Target

      e42fbcc86cd6efa1594057d920aedc6deaeb02aa03df675a9c11434a436c464f

    • Size

      139KB

    • MD5

      a9dbdfa4af98af0b90a995a1ee451b64

    • SHA1

      4af5cafaf29bfb7fc80958c20010d7f930d2c259

    • SHA256

      e42fbcc86cd6efa1594057d920aedc6deaeb02aa03df675a9c11434a436c464f

    • SHA512

      fbd409d7b4cbd8d573f895e32a9913e2898b0342dadc29d73509a92feeb9079f08f95ecf68e845be2c2dc329c8b9c021787ebbfac88fd12d8649c15903210e8d

    • 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.

    • 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

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

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks