General

  • Target

    eecbd23ceccd6e5e6b135419fd435a2b10cc12cc0b386a5a4ff2f5dfe28fd5f3

  • Size

    128KB

  • Sample

    220128-v56xyshddj

  • MD5

    7827adb7d47dd3d8af3fc9e545a53fca

  • SHA1

    5bec47ca61e2dcb6bebe239512d0a9bce21abd09

  • SHA256

    eecbd23ceccd6e5e6b135419fd435a2b10cc12cc0b386a5a4ff2f5dfe28fd5f3

  • SHA512

    e037af54c2fd983cbe8a12655b72d3fdef71c881b41ffd91848efa4ba2ee7801f3e8a817769bbc8d2d7b32a457e6bba6097fcfaa1bf67b86fb852b5e7a9a2c22

Malware Config

Extracted

Path

C:\KRAB-DECRYPT.txt

Ransom Note
---= GANDCRAB V4 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .KRAB 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/41b7fc2bdb4153d7 | 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/41b7fc2bdb4153d7

Extracted

Path

C:\KRAB-DECRYPT.txt

Ransom Note
---= GANDCRAB V4 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .KRAB 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/48a2c19ec0956c03 | 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/48a2c19ec0956c03

Targets

    • Target

      eecbd23ceccd6e5e6b135419fd435a2b10cc12cc0b386a5a4ff2f5dfe28fd5f3

    • Size

      128KB

    • MD5

      7827adb7d47dd3d8af3fc9e545a53fca

    • SHA1

      5bec47ca61e2dcb6bebe239512d0a9bce21abd09

    • SHA256

      eecbd23ceccd6e5e6b135419fd435a2b10cc12cc0b386a5a4ff2f5dfe28fd5f3

    • SHA512

      e037af54c2fd983cbe8a12655b72d3fdef71c881b41ffd91848efa4ba2ee7801f3e8a817769bbc8d2d7b32a457e6bba6097fcfaa1bf67b86fb852b5e7a9a2c22

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

1
T1107

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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

Tasks