General

  • Target
    7e997a0cd3967a8010e9fe1d78e29dbcfc4c84abc33537dec2b677d7fad57d7f
  • Size 2.2MB
  • Sample220330-c265faahfp
  • SHA256 7e997a0cd3967a8010e9fe1d78e29dbcfc4c84abc33537dec2b677d7fad57d7f
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      7e997a0cd3967a8010e9fe1d78e29dbcfc4c84abc33537dec2b677d7fad57d7f
    • Size 2.2MB
    • SHA256 7e997a0cd3967a8010e9fe1d78e29dbcfc4c84abc33537dec2b677d7fad57d7f
    • MD5 SHA1 SHA512
    • Echelon

      Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks