General

  • Target

    e5c522e14a66c7ee82d5e68db74f8b44d1a8e43e4a674b17a8405b21a9845bb4

  • Size

    139KB

  • Sample

    220128-wcvjwshfam

  • MD5

    43dfb6a59130c5b3dfc417b10d347498

  • SHA1

    312dba38f8bcc99f2a523b1ca8e421dfcec73005

  • SHA256

    e5c522e14a66c7ee82d5e68db74f8b44d1a8e43e4a674b17a8405b21a9845bb4

  • SHA512

    3f84325328f07f4d5f63f2a800d10f75e8da96f4f6c479086fd505b83654fca31815e5d7d2fed2228034335d12403726fd822b0f29e88a391e452d9e5d01e1cb

Malware Config

Extracted

Path

C:\ONZINRJZ-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: .ONZINRJZ 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/379bbd2739161a0e | 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--- wfKD6iudumBkmpL8IRr4U4exEVaoOXLtwDwmOrT1y1YWvOiWMx5GYaRdvZZGToRRtXYY7nBWqLfMTHCHhh5qBJzzs9MC7736UkGSDDniUJJG8/LFF//kmGmoAZAGLo2j5/wd2UrxMJK+iqKhTkS3ArgAxrZOOOiXrbnhbWMkLHQnbYuWlMClYZxYU6SDxpopRo5r292AV1KIZBZV4APBuUHcKSIr2MWMI0O1MKIP2IpKLE2TS5wLmpQodXZhP6M/UPrO1sZzkDbgjYlAG3g8l65nVd0/CBUxKQ7KDJYrtX0vSmnFXg/ykfgtJNiwqfCnqbr85+Bi4LF1kUHBsuL2/zI2E+shGthYZVqCBiHtrBGHEdkb9CcE4oG4b6a1Y8ZyGoyp2Q2iuJRzTRoqGlPQJIAJpJFswNcoAhPJnK0+Ce5dALefhGEwg7NrKg3sxA1KwA7/ZibpChFO3vLLMuat1wIZJ3RPRgGKcTnT1lXgdH8bmQvf3SygQSZnxLJ6lsKw4nIOVY/pajeyfEEcPsAgPy9N3X8IQ3zC3qZcEuPtMkisBZ9MPJGmHt4OJb+RRYcPqYktV/LuurOUzA== ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/379bbd2739161a0e

Extracted

Path

C:\TJNRVSBZA-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: .TJNRVSBZA 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/548d8063ce7b62d9 | 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/548d8063ce7b62d9

Targets

    • Target

      e5c522e14a66c7ee82d5e68db74f8b44d1a8e43e4a674b17a8405b21a9845bb4

    • Size

      139KB

    • MD5

      43dfb6a59130c5b3dfc417b10d347498

    • SHA1

      312dba38f8bcc99f2a523b1ca8e421dfcec73005

    • SHA256

      e5c522e14a66c7ee82d5e68db74f8b44d1a8e43e4a674b17a8405b21a9845bb4

    • SHA512

      3f84325328f07f4d5f63f2a800d10f75e8da96f4f6c479086fd505b83654fca31815e5d7d2fed2228034335d12403726fd822b0f29e88a391e452d9e5d01e1cb

    • 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