General

  • Target
    eb825b11d00bc3ec41e7856a59ebe1027e3f9c9128a177e182f688535f22bfb6.exe
  • Size 1.1MB
  • Sample241011-cvdvbawcln
  • SHA256 eb825b11d00bc3ec41e7856a59ebe1027e3f9c9128a177e182f688535f22bfb6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Targets

    • Target
      eb825b11d00bc3ec41e7856a59ebe1027e3f9c9128a177e182f688535f22bfb6.exe
    • Size 1.1MB
    • SHA256 eb825b11d00bc3ec41e7856a59ebe1027e3f9c9128a177e182f688535f22bfb6
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • VIPKeylogger

      VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

    • Boot or Logon Autostart Execution: Active Setup

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks