General

  • Target

    43ed182a18e109842c7850dee74a8ddecfe73f976c7c75415ab17e338c1e9dcd

  • Size

    795KB

  • Sample

    220707-z7gs3aech6

  • MD5

    92f8ed812a79b8037a112c6971f4970f

  • SHA1

    19c2b1fc1d65d7c1c90f0c0811d6cb97475e46e7

  • SHA256

    43ed182a18e109842c7850dee74a8ddecfe73f976c7c75415ab17e338c1e9dcd

  • SHA512

    d8f5a302ac794c0f08f60bd4ab196deadf5c1549f1e5b863adce049d36e3d99ea243f16a0eee9a91b38e835f06bce2d04965a710791eac0fde9446192b7a92ff

Malware Config

Extracted

Path

C:\SXSGJMHVB-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: .SXSGJMHVB 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/4c69ee2f3f9a89ad | 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/4c69ee2f3f9a89ad

Extracted

Path

C:\EUOQPW-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: .EUOQPW 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/5312939d88e43ac6 | 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/5312939d88e43ac6

Targets

    • Target

      43ed182a18e109842c7850dee74a8ddecfe73f976c7c75415ab17e338c1e9dcd

    • Size

      795KB

    • MD5

      92f8ed812a79b8037a112c6971f4970f

    • SHA1

      19c2b1fc1d65d7c1c90f0c0811d6cb97475e46e7

    • SHA256

      43ed182a18e109842c7850dee74a8ddecfe73f976c7c75415ab17e338c1e9dcd

    • SHA512

      d8f5a302ac794c0f08f60bd4ab196deadf5c1549f1e5b863adce049d36e3d99ea243f16a0eee9a91b38e835f06bce2d04965a710791eac0fde9446192b7a92ff

    • GandCrab payload

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Suspicious use of SetThreadContext

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

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks