General

  • Target
    jdqvg5aps4kw5bjh.rar
  • Size 274KB
  • Sample260702-tqlsssew3k
  • SHA256 441013aaee6eb7864455f6ea15cd4e3c0b8e3bb3862941f50a41dbbe5b09a19e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      jdqvg5aps4kw5bjh.rar
    • Size 274KB
    • SHA256 441013aaee6eb7864455f6ea15cd4e3c0b8e3bb3862941f50a41dbbe5b09a19e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Dracula aka Samurai Stealer payload

    • Family: Dracula, Samurai

      Dracula aka Samurai is a stealer written in C#.

    • Modifies WinLogon for persistence

    • Adds policy Run key to start application

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into 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 web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks