General

  • Target

    43911f3a36ede4a5c71a82c27a49e68cab0d0a309d934fab07d9655b30978de5

  • Size

    139KB

  • Sample

    220128-z7xjhsdhdj

  • MD5

    d044106fa47f15198f8e26eb64f7394c

  • SHA1

    5b474845faa7eaa2c3df1d7b6d783d5c3a37718c

  • SHA256

    43911f3a36ede4a5c71a82c27a49e68cab0d0a309d934fab07d9655b30978de5

  • SHA512

    92cf248a7228b39587ed4c5c3205da8d13827ad9e73c442dcb9327b45ee328ea3a61eda48a7fcfa95395202ca146ecf481dbb3cdf863f7d8808a3f53520c6260

Malware Config

Extracted

Path

C:\HNJFSNCDN-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: .HNJFSNCDN 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/f4c90df6a349653 | 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/f4c90df6a349653

Extracted

Path

C:\VEBBYIUTNP-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: .VEBBYIUTNP 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/ef262533df1755d9 | 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/ef262533df1755d9

Targets

    • Target

      43911f3a36ede4a5c71a82c27a49e68cab0d0a309d934fab07d9655b30978de5

    • Size

      139KB

    • MD5

      d044106fa47f15198f8e26eb64f7394c

    • SHA1

      5b474845faa7eaa2c3df1d7b6d783d5c3a37718c

    • SHA256

      43911f3a36ede4a5c71a82c27a49e68cab0d0a309d934fab07d9655b30978de5

    • SHA512

      92cf248a7228b39587ed4c5c3205da8d13827ad9e73c442dcb9327b45ee328ea3a61eda48a7fcfa95395202ca146ecf481dbb3cdf863f7d8808a3f53520c6260

    • 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