General

  • Target
    RICHIESTA_OFFERTA_RDO2400423.docx.bin
  • Size 264KB
  • Sample241001-r2jfpsvbqq
  • SHA256 b5b6a451d04745638c7ecf24dbcc73655bb5942bf63a8da317bd7a6badb8dddf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Targets

    • Target
      RICHIESTA_OFFERTA_RDO2400423.docx.bin
    • Size 264KB
    • SHA256 b5b6a451d04745638c7ecf24dbcc73655bb5942bf63a8da317bd7a6badb8dddf
    • MD5 SHA1 SHA512 SSDEEP
    • VIPKeylogger

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Abuses OpenXML format to download file from external location

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks