General

  • Target

    http://103.130.147.211/Files

  • Sample

    240916-2ws33athkg

Malware Config

Extracted

Family

cryptbot

C2

tventyvd20vs.top

analforeverlovyu.top

fivevd5vs.top

thirtvd13vs.top

thirtvd13sr.top

Attributes
  • url_path

    /v1/upload.php

Targets

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Indirect Command Execution

      Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks