General

  • Target

    658b2e2ff815267582ca2e09c1ecd1ce18d10757e196999ae1a471221645ae6f

  • Size

    139KB

  • Sample

    220128-zbs68achaq

  • MD5

    b990954d3cfadfd99969deacacdb00e7

  • SHA1

    7f40f440cce8e1df17b7af35efe4a5ffce1d7297

  • SHA256

    658b2e2ff815267582ca2e09c1ecd1ce18d10757e196999ae1a471221645ae6f

  • SHA512

    4777a321e33e94c23677456e913451c29aaf69edd1a28457880506f88875de78f89dcf4e3f1d7606e82099f529c36260c4aa7d312ea1dda9448b2b76894ed9c1

Malware Config

Extracted

Path

C:\TNEQV-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: .TNEQV 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/d5afd2c578455f6 | 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/d5afd2c578455f6

Extracted

Path

C:\ZUMGVX-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: .ZUMGVX 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/e17c5cd0276a67fc | 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/e17c5cd0276a67fc

Targets

    • Target

      658b2e2ff815267582ca2e09c1ecd1ce18d10757e196999ae1a471221645ae6f

    • Size

      139KB

    • MD5

      b990954d3cfadfd99969deacacdb00e7

    • SHA1

      7f40f440cce8e1df17b7af35efe4a5ffce1d7297

    • SHA256

      658b2e2ff815267582ca2e09c1ecd1ce18d10757e196999ae1a471221645ae6f

    • SHA512

      4777a321e33e94c23677456e913451c29aaf69edd1a28457880506f88875de78f89dcf4e3f1d7606e82099f529c36260c4aa7d312ea1dda9448b2b76894ed9c1

    • 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