General

  • Target

    eb630954eca8187618ea8c81a6bc260ef45af95ae0e52306e7e9a14ce51885f1

  • Size

    139KB

  • Sample

    220128-v9bbvahebk

  • MD5

    a1769e3e38249ea6f218f628cb551010

  • SHA1

    550ac18adf059aa7b0816cc1e35931537504c779

  • SHA256

    eb630954eca8187618ea8c81a6bc260ef45af95ae0e52306e7e9a14ce51885f1

  • SHA512

    37579023941fb5ac613539018312967b0a0230adaf3930510adda4501b12c123d93eacd462cdf32906b639966d90fe22d02878c47b550ec3dc94b5876e52dbd0

Malware Config

Extracted

Path

C:\GUPWMFI-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: .GUPWMFI 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/2b1b4595bf2a2391 | 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/2b1b4595bf2a2391

Extracted

Path

C:\OBJOOVKJD-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: .OBJOOVKJD 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/82b6445f3394d0f9 | 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/82b6445f3394d0f9

Targets

    • Target

      eb630954eca8187618ea8c81a6bc260ef45af95ae0e52306e7e9a14ce51885f1

    • Size

      139KB

    • MD5

      a1769e3e38249ea6f218f628cb551010

    • SHA1

      550ac18adf059aa7b0816cc1e35931537504c779

    • SHA256

      eb630954eca8187618ea8c81a6bc260ef45af95ae0e52306e7e9a14ce51885f1

    • SHA512

      37579023941fb5ac613539018312967b0a0230adaf3930510adda4501b12c123d93eacd462cdf32906b639966d90fe22d02878c47b550ec3dc94b5876e52dbd0

    • 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