General

  • Target
    8a309b62d7319624bb969198a1e892b8b943a215ac32cda6f2ae48122b23d910.doc
  • Size 899KB
  • Sample241114-daefsatdmm
  • SHA256 8a309b62d7319624bb969198a1e892b8b943a215ac32cda6f2ae48122b23d910
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Targets

    • Target
      8a309b62d7319624bb969198a1e892b8b943a215ac32cda6f2ae48122b23d910.doc
    • Size 899KB
    • SHA256 8a309b62d7319624bb969198a1e892b8b943a215ac32cda6f2ae48122b23d910
    • MD5 SHA1 SHA512 SSDEEP
    • VIPKeylogger

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

    • Vipkeylogger family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • 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

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks