General

  • Target
    dscgb.exe
  • Size 521KB
  • Sample260827-m4vjjasvbv
  • SHA256 fe75ad96cd86538670b8a60f1f7811f1aa8e24fca919c6113402e6a3cd6dd363
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      dscgb.exe
    • Size 521KB
    • SHA256 fe75ad96cd86538670b8a60f1f7811f1aa8e24fca919c6113402e6a3cd6dd363
    • 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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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

MITRE ATT&CK Enterprise v16

Tasks