Resubmissions

29-12-2021 12:45

211229-py8v3sdddn 10

29-12-2021 11:51

211229-n1lb5addbm 8

29-12-2021 11:50

211229-nzsptaegg6 1

29-12-2021 11:24

211229-nh59ksege9 1

28-12-2021 11:54

211228-n21s7sdgg2 8

28-12-2021 11:53

211228-n2tpwscdbj 1

28-12-2021 11:51

211228-nz82sscdaq 1

28-12-2021 11:38

211228-nryk4acdal 10

28-12-2021 11:37

211228-nq735sdge9 1

General

  • Target

    https://www.youtube.com/channel/UCn2OJocEFxegDrjKZMIfnLw

  • Sample

    211229-py8v3sdddn

Malware Config

Extracted

Path

C:\NMOCWROPZB-MANUAL.txt

Family

gandcrab

Ransom Note
---= GANDCRAB V5.2 =--- ***********************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: .NMOCWROPZB 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/6e509012a873ad6d | 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/6e509012a873ad6d

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    109.248.203.81
  • Port:
    21
  • Username:
    alex
  • Password:
    easypassword

Extracted

Family

lokibot

C2

http://blesblochem.com/two/gates1/fre.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Targets

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visiblity of hidden/system files in Explorer

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • UAC bypass

    • Windows security bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detected Stratum cryptominer command

      Looks to be attempting to contact Stratum mining pool.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables use of System Restore points

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets DLL path for service in the registry

    • Sets file execution options in registry

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Modifies file permissions

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scheduled Task

1
T1053

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

3
T1031

Hidden Files and Directories

3
T1158

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

4
T1060

Winlogon Helper DLL

1
T1004

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

12
T1112

Disabling Security Tools

3
T1089

Hidden Files and Directories

3
T1158

Bypass User Account Control

1
T1088

File Deletion

2
T1107

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

3
T1490

Service Stop

1
T1489

Defacement

1
T1491

Tasks