General

  • Target

    37e3d8d1c456e5b325f59812479dcf2c555b6c14d48aac759f8b81b1ce7dfe46

  • Size

    234KB

  • Sample

    220625-1pqtpaddan

  • MD5

    ad473c47cdeadc81b3f2a307e9e5af36

  • SHA1

    5ba9c2ad3a6b633d75e16254bf8ddbbcb0c6fb99

  • SHA256

    37e3d8d1c456e5b325f59812479dcf2c555b6c14d48aac759f8b81b1ce7dfe46

  • SHA512

    735de7b5d1c9777e2ab4032696380b80b7d8e86bbfc5128cace60928f9171b9fb05f743e191dcc8c17a700e8e3bbc7e632d54fb2a1593d4090928b117cc79aa0

Malware Config

Extracted

Path

C:\NUCQSOITA-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.2 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .NUCQSOITA 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/1d910c694aff4b71 | 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/1d910c694aff4b71

Extracted

Path

C:\TMTAUAZA-DECRYPT.txt

Ransom Note
---= GANDCRAB V5.0.2 =--- Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .TMTAUAZA 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/f99ede90c2e884b0 | 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/f99ede90c2e884b0

Targets

    • Target

      37e3d8d1c456e5b325f59812479dcf2c555b6c14d48aac759f8b81b1ce7dfe46

    • Size

      234KB

    • MD5

      ad473c47cdeadc81b3f2a307e9e5af36

    • SHA1

      5ba9c2ad3a6b633d75e16254bf8ddbbcb0c6fb99

    • SHA256

      37e3d8d1c456e5b325f59812479dcf2c555b6c14d48aac759f8b81b1ce7dfe46

    • SHA512

      735de7b5d1c9777e2ab4032696380b80b7d8e86bbfc5128cace60928f9171b9fb05f743e191dcc8c17a700e8e3bbc7e632d54fb2a1593d4090928b117cc79aa0

    • GandCrab Payload

    • 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