General

  • Target
    SecuriteInfo.com.Variant.Symmi.95363.32201.15435
  • Size 2.5MB
  • Sample201109-2nrfp7kmpn
  • SHA256 f10da3dca6e87216cef5c1ca2e2e985a9f4a5da295bccbd09e9893c40bdb9684
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      SecuriteInfo.com.Variant.Symmi.95363.32201.15435
    • Size 2.5MB
    • SHA256 f10da3dca6e87216cef5c1ca2e2e985a9f4a5da295bccbd09e9893c40bdb9684
    • MD5 SHA1 SHA512
    • Modifies WinLogon for persistence

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

    • ServiceHost packer

      Detects ServiceHost packer used for .NET malware

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks