General

  • Target

    d2f237743c9bf65873afa65a45f02c01fd91315e6d7406fec02dc50c3255ab9b

  • Size

    139KB

  • Sample

    220128-wrmslaaafm

  • MD5

    24a1ac0b0cd98114910888fe63f7e502

  • SHA1

    9fd4c130a7e023f5ac50272a0d45e8a3acb78152

  • SHA256

    d2f237743c9bf65873afa65a45f02c01fd91315e6d7406fec02dc50c3255ab9b

  • SHA512

    d20781c7f9e8e4fcb797e17e0a366ed355b49fdfda892bb28e33688dd8b0de73ca03572dbe877d33d1ce1b51d57702f5caf0b7a159f230ea986e25891eb60ff9

Malware Config

Extracted

Path

C:\BXJDC-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: .BXJDC 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/b67371a9158d17f2 | 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/b67371a9158d17f2

Extracted

Path

C:\XPAGBVH-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: .XPAGBVH 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/6c3c323821334fbd | 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/6c3c323821334fbd

Targets

    • Target

      d2f237743c9bf65873afa65a45f02c01fd91315e6d7406fec02dc50c3255ab9b

    • Size

      139KB

    • MD5

      24a1ac0b0cd98114910888fe63f7e502

    • SHA1

      9fd4c130a7e023f5ac50272a0d45e8a3acb78152

    • SHA256

      d2f237743c9bf65873afa65a45f02c01fd91315e6d7406fec02dc50c3255ab9b

    • SHA512

      d20781c7f9e8e4fcb797e17e0a366ed355b49fdfda892bb28e33688dd8b0de73ca03572dbe877d33d1ce1b51d57702f5caf0b7a159f230ea986e25891eb60ff9

    • 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