General

  • Target

    97d8351aac1137187f38deeb4b3f7743c414600681126410501ace48aabfe532

  • Size

    461KB

  • Sample

    220128-x794habfbm

  • MD5

    f2a2bcd748c011c0ea1d7d64af5e4452

  • SHA1

    2fb20c99bd4457693b830014fed745336df14caa

  • SHA256

    97d8351aac1137187f38deeb4b3f7743c414600681126410501ace48aabfe532

  • SHA512

    067bfc4c943fecf6f3bb173d818cc223d881db6ae95830549591bfe17480074cd042a6f07eadab96e19d7c2fc99a3f3c4ec8083d11d6a4a9947a93e4a052e8bc

Malware Config

Extracted

Path

C:\NUGNVZK-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: .NUGNVZK 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/b925716d4228c915 | 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/b925716d4228c915

Extracted

Path

C:\GRQMJSYBRS-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: .GRQMJSYBRS 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/7f28106d4a65a36b | 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/7f28106d4a65a36b

Targets

    • Target

      97d8351aac1137187f38deeb4b3f7743c414600681126410501ace48aabfe532

    • Size

      461KB

    • MD5

      f2a2bcd748c011c0ea1d7d64af5e4452

    • SHA1

      2fb20c99bd4457693b830014fed745336df14caa

    • SHA256

      97d8351aac1137187f38deeb4b3f7743c414600681126410501ace48aabfe532

    • SHA512

      067bfc4c943fecf6f3bb173d818cc223d881db6ae95830549591bfe17480074cd042a6f07eadab96e19d7c2fc99a3f3c4ec8083d11d6a4a9947a93e4a052e8bc

    • 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