General

  • Target

    7da877e695e8793bc185b134468fe8f391bbc13d34b382c6f1bbd24dcd8c34fe

  • Size

    139KB

  • Sample

    220128-ysvwpsccel

  • MD5

    ad32c2d46b2b74d93f86c130b7d5f6dd

  • SHA1

    c64683c430b9cae05702b45cfac93f8e8f44980f

  • SHA256

    7da877e695e8793bc185b134468fe8f391bbc13d34b382c6f1bbd24dcd8c34fe

  • SHA512

    8411a8ba71941ccb3eeda61d7191905e8a661edd768d50146817bba3e3982827c3e72b6519d00f887fa3db9365de763cd330f92df62875b11b78a0527f4c2ea7

Malware Config

Extracted

Path

C:\SJRKE-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: .SJRKE 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/72f07c34aaa392f | 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/72f07c34aaa392f

Extracted

Path

C:\RJUFMG-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: .RJUFMG 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/15a1e1cffaee883b | 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/15a1e1cffaee883b

Targets

    • Target

      7da877e695e8793bc185b134468fe8f391bbc13d34b382c6f1bbd24dcd8c34fe

    • Size

      139KB

    • MD5

      ad32c2d46b2b74d93f86c130b7d5f6dd

    • SHA1

      c64683c430b9cae05702b45cfac93f8e8f44980f

    • SHA256

      7da877e695e8793bc185b134468fe8f391bbc13d34b382c6f1bbd24dcd8c34fe

    • SHA512

      8411a8ba71941ccb3eeda61d7191905e8a661edd768d50146817bba3e3982827c3e72b6519d00f887fa3db9365de763cd330f92df62875b11b78a0527f4c2ea7

    • 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