General

  • Target

    1164e122800fda5ad79d422710877fd9767d44a15e69f3c28e9563ff3e752157.sample

  • Size

    121KB

  • Sample

    210726-hca1byw682

  • MD5

    da301085de77edb94e279c81bcbeb65e

  • SHA1

    d35f76c16b7665bf7e3f412250ebc4f38670697f

  • SHA256

    1164e122800fda5ad79d422710877fd9767d44a15e69f3c28e9563ff3e752157

  • SHA512

    00526408f5d2557080d00ae31d3448bb54c367ab3f23aaf830cfbeca9261a30292e0f95899ebe529e3a2712e5b2333765daa73a3f51817b185cdace6b0a1af3e

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/7cdb61ddedc3b851 | 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/7cdb61ddedc3b851

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/d5cbddfa99bd0cb4 | 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/d5cbddfa99bd0cb4

Targets

    • Target

      1164e122800fda5ad79d422710877fd9767d44a15e69f3c28e9563ff3e752157.sample

    • Size

      121KB

    • MD5

      da301085de77edb94e279c81bcbeb65e

    • SHA1

      d35f76c16b7665bf7e3f412250ebc4f38670697f

    • SHA256

      1164e122800fda5ad79d422710877fd9767d44a15e69f3c28e9563ff3e752157

    • SHA512

      00526408f5d2557080d00ae31d3448bb54c367ab3f23aaf830cfbeca9261a30292e0f95899ebe529e3a2712e5b2333765daa73a3f51817b185cdace6b0a1af3e

    • Gandcrab

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

    • 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