General

  • Target
    SHK04567000987654567890000000009879.exe
  • Size 663KB
  • Sample221229-x9h3sshb9z
  • SHA256 1b4322eaa16e3d5e78993498dce2b9e3823bf553055039d328155e1b4f6df00a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      SHK04567000987654567890000000009879.exe
    • Size 663KB
    • SHA256 1b4322eaa16e3d5e78993498dce2b9e3823bf553055039d328155e1b4f6df00a
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • Executes dropped EXE

    • Modifies Installed Components in the registry

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 v6

Tasks