General

Malware Config

Extracted

Language
  • xlm4.0

Source
URLs
  • xlm40.dropper

    https://erpoweredent.at/3/zte.dll

Extracted

Family
  • revengerat

Botnet
  • Guest

C2
  • 0.tcp.ngrok.io:19521

Mutex
  • RV_MUTEX

Extracted

Family
  • azorult

C2
  • http://boglogov.site/index.php

Targets

    • Detects HiddenTear Ransomware

    • Detects SpySheriff adware

    • Family: Azorult

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

    • Family: HiddenTear, Cryptear

      HiddenTear aka Cryptear is an open-source ransomware available on Github since 2015, with many versions in the wild.

    • Family: RMS

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

    • Family: RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Family: SpySheriff

      SpySheriff is a Windows adware written in C++.

    • Family: WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies visibility of hidden/system files in Explorer

    • Windows security bypass

    • Grants admin privileges

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

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • RevengeRat Executable

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Server Software Component: Terminal Services DLL

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Modifies visibility of existing users in the login screen

      A user account was hidden or made visible on the Windows login screen through a registry modification.

    • Obfuscated with Agile.Net obfuscator

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Stops running service(s)

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Modifies WinLogon

    • Password Policy Discovery

      Attempt to access detailed information about the password policy used within an enterprise network.

    • Process spawned suspicious child process

      This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Creates a new local user account

      Uses net.exe to create a new local user account, often for persistence or a backdoor account.

    • Drops file in System32 directory

    • Executes a VBScript file via the Windows Script Host.

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks