General

  • Target
    ieevc03c3goa65i7.exe
  • Size 588KB
  • Sample260807-x9xaesbn2v
  • SHA256 0f823df1a98911ff9b96c7afb53fb6ed3517668c4a950e608f090268178a7c24
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ieevc03c3goa65i7.exe
    • Size 588KB
    • SHA256 0f823df1a98911ff9b96c7afb53fb6ed3517668c4a950e608f090268178a7c24
    • 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

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks