General

  • Target
    RNSM00342.7z
  • Size 13.6MB
  • Sample241110-vmjdya1fpg
  • SHA256 601558763a1331f16d0194f29c90d6e301df0d143ad915cf9b760c28e767a947
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    mikeaboyland

Extracted

Family
  • azorult

C2
  • http://kosovo.duckdns.org/file/index.php

Extracted

Family
  • azorult

C2
  • http://admin.svapofit.com/azs/index.php

Extracted

Path
  • C:\MSOCache\!!!DECRYPTION__KEYPASS__INFO!!!.txt

Ransom Note
  • Attention! All your files, documents, photos, databases and other important files are encrypted and have the extension: .KEYPASS The only method of recovering files is to purchase an decrypt software and unique private key. After purchase you will start decrypt software, enter your unique private key and it will decrypt all your data. Only we can give you this key and only we can recover your files. You need to contact us by e-mail [email protected] send us your personal ID and wait for further instructions. For you to be sure, that we can decrypt your files - you can send us a 1-3 any not very big encrypted files and we will send you back it in a original form FREE. Price for decryption $300. This price avaliable if you contact us first 72 hours. E-mail address to contact us: [email protected] Reserve e-mail address to contact us: [email protected] Your personal id: 6se9RaIxXF9m70zWmx7nL3bVRp691w4SNY8UCir0

Targets

    • Target
      RNSM00342.7z
    • Size 13.6MB
    • SHA256 601558763a1331f16d0194f29c90d6e301df0d143ad915cf9b760c28e767a947
    • MD5 SHA1 SHA512 SSDEEP
    • Azorult

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

    • Azorult family

    • Detect ZGRat V2

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • Hawkeye family

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Mimikatz family

    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • Troldesh family

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Zgrat family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Modifies boot configuration data using bcdedit

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Renames multiple (251) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • mimikatz is an open source tool to dump credentials on Windows

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Disables RegEdit via registry modification

    • Disables use of System Restore points

    • Checks computer location settings

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks