General

  • Target

    2019-05-22-Rig-EK-payload-Gandcrab-ransomware.exe

  • Size

    656KB

  • Sample

    211020-ly8njaghc2

  • MD5

    538d23ef01426d1157fa1137471a5cf7

  • SHA1

    ab553df2bb4f7f8d98cc39ac773aaaa1c7ca110f

  • SHA256

    af8e74d00babaae01b6f3b137cff7b6a6951456c66ffa95122695dad6c7b41a9

  • SHA512

    9df42f3c39a8982bc77c82010509c3e98cc56c2d71c6f5f20274c0fbde17c58607d9579877983e2239d30fd60be14402b2b9e3d9295168a3cc8d31ac8f4a1111

Malware Config

Extracted

Path

C:\KSPREIW-MANUAL.txt

Family

gandcrab

Ransom Note
---= GANDCRAB V5.2 =--- ***********************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: .KSPREIW 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/9dd5ac38f623035 | 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/9dd5ac38f623035

Targets

    • Target

      2019-05-22-Rig-EK-payload-Gandcrab-ransomware.exe

    • Size

      656KB

    • MD5

      538d23ef01426d1157fa1137471a5cf7

    • SHA1

      ab553df2bb4f7f8d98cc39ac773aaaa1c7ca110f

    • SHA256

      af8e74d00babaae01b6f3b137cff7b6a6951456c66ffa95122695dad6c7b41a9

    • SHA512

      9df42f3c39a8982bc77c82010509c3e98cc56c2d71c6f5f20274c0fbde17c58607d9579877983e2239d30fd60be14402b2b9e3d9295168a3cc8d31ac8f4a1111

    • Gandcrab

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

    • 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

2
T1107

Modify Registry

1
T1112

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

2
T1490

Defacement

1
T1491

Tasks