General

  • Target

    GandCrab.zip.zip

  • Size

    8MB

  • Sample

    230916-mf12eace83

  • MD5

    ab3d76daf1083e9ff3c029811ee7996d

  • SHA1

    1ac3e356d7f1d42ad0a33eb3cc39d26a0175f28d

  • SHA256

    df48467a8fdf1d6587c23be10ee9a362e05a67fa9814a88b5dbf5b917f642031

  • SHA512

    55fa43e0eb2b79ae5cf58d540547218ebb44ff528cdfbfd0850815c0046a544039ace627d153d8be198a8ededd297180f4fd8d3ea2199b718a00ff8cd2711dec

  • SSDEEP

    196608:VHi6lDntfp/DgCNDwyGSwNjBRJbZJfgfVvElF2S:kwn5x1NISwpBRHJfBrT

Malware Config

Extracted

Path

C:\MSOCache\RXQOLYCKUE-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.3 =--- ***********************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 WILL BE DECRYPTION ERRORS***** Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .RXQOLYCKUE 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/27c8db8bccbcc23d | 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/27c8db8bccbcc23d

Targets

    • Target

      GandCrab.zip

    • Size

      8MB

    • MD5

      4726a3b795efd2791291a55b2ed28306

    • SHA1

      d78acd2f217c42c2862bfffe49960b8587276f19

    • SHA256

      2d7985cfeca4c1c235c89029789689320bfa037d611f6a776e1bde298afaf463

    • SHA512

      258f4397521e2a0778313b15a87d9f48e82a86fb85227bd94e2cc25a2dfd2c2d7f80903ed82ebc7cff195a6dbc2c4350c8e534d95949993260ca317e338ad1e8

    • SSDEEP

      196608:g+UVJ7eMvnHQdkdNal1VBy2DLOdy6dlvqOriV0KD+EHhh3gf:IJ7+dyoDDSdy6SOeH+6hhwf

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (300) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v13

Defense Evasion

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Impact

Inhibit System Recovery

1
T1490

Defacement

1
T1491

Tasks