General

  • Target

    ef7b107c93e6d605a618fee82d5aeb2b32e3265999f332f624920911aabe1f23.sample

  • Size

    205KB

  • Sample

    210726-xxtd8xwd4e

  • MD5

    97a910c50171124f2cd8cfc7a4f2fa4f

  • SHA1

    3737d782cb64fa92d2c42f3c2857ee2295dc8aa4

  • SHA256

    ef7b107c93e6d605a618fee82d5aeb2b32e3265999f332f624920911aabe1f23

  • SHA512

    cb0d9eb3bdeeb533e258473187d6dc17515de7d790fbeb5238e4eb0aeeb793bca8bf1bcda4a1c384cd6a488155e90f08a9e82846a08958c4f53de4b5e57e8844

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/348c7f23c310f499 | 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/348c7f23c310f499

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/8d238d4aa15b504b | 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/8d238d4aa15b504b

Targets

    • Target

      ef7b107c93e6d605a618fee82d5aeb2b32e3265999f332f624920911aabe1f23.sample

    • Size

      205KB

    • MD5

      97a910c50171124f2cd8cfc7a4f2fa4f

    • SHA1

      3737d782cb64fa92d2c42f3c2857ee2295dc8aa4

    • SHA256

      ef7b107c93e6d605a618fee82d5aeb2b32e3265999f332f624920911aabe1f23

    • SHA512

      cb0d9eb3bdeeb533e258473187d6dc17515de7d790fbeb5238e4eb0aeeb793bca8bf1bcda4a1c384cd6a488155e90f08a9e82846a08958c4f53de4b5e57e8844

    • GandCrab Payload

    • Gandcrab

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

    • 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.

    • Deletes itself

    • 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

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