General

  • Target

    92aadeb4fb086bc672e28de288ab684990d4efbd43cdd94380037e4990a14b3f

  • Size

    139KB

  • Sample

    220128-ybyk9sbgcn

  • MD5

    04f2a82387c8e503f655921da892cf9c

  • SHA1

    34c4ddb4d5d3bb0fce0651d9c44c21d2dbc01ac3

  • SHA256

    92aadeb4fb086bc672e28de288ab684990d4efbd43cdd94380037e4990a14b3f

  • SHA512

    ec5feba51522a701a66541aa1c3d0ffe172ac9d02ccf8eacbdc63692a52a9b8aa92093e2d22c525e72e4ce3762256275bd9dd38234f594d8231c5691d95630c2

Malware Config

Extracted

Path

C:\AUSVIQV-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: .AUSVIQV 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/540dc5b58efcd0f2 | 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+Bi5rF2kUjBtOL3/2M2Q+sjGtNYOVrVBnTt+RHWEY8boycE4oG4b6a1Y8ZyGoyp2Q2iuJRzTRoqGlPQJIAJpJFswNcoAhPJnK0+Ce5dALefhGEwg7NrKg3sxA1KwA7/ZinpDBFO3vzLNuau1wAZJ3RPRgGKcTnT1lXgcH8bmQvf3SygQSZnxLJ6lsKw4nIPVYbpajeyfEEcPsAgPy9N3X8IQ3zC3qZcEuPtMkisBZ9MPJGmHt4OJb+RRYcPqYktV/LuurOUzA== ---END PC DATA---
URLs

http://gandcrabmfe6mnef.onion/540dc5b58efcd0f2

Extracted

Path

C:\YQBTRHWU-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: .YQBTRHWU 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/4eb7b1a126ea668 | 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/4eb7b1a126ea668

Targets

    • Target

      92aadeb4fb086bc672e28de288ab684990d4efbd43cdd94380037e4990a14b3f

    • Size

      139KB

    • MD5

      04f2a82387c8e503f655921da892cf9c

    • SHA1

      34c4ddb4d5d3bb0fce0651d9c44c21d2dbc01ac3

    • SHA256

      92aadeb4fb086bc672e28de288ab684990d4efbd43cdd94380037e4990a14b3f

    • SHA512

      ec5feba51522a701a66541aa1c3d0ffe172ac9d02ccf8eacbdc63692a52a9b8aa92093e2d22c525e72e4ce3762256275bd9dd38234f594d8231c5691d95630c2

    • 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