General

  • Target

    8c3e2e06c7066b6ed3a2ff508edb72d0_NEAS

  • Size

    3.6MB

  • Sample

    240507-p5ln5age7y

  • MD5

    8c3e2e06c7066b6ed3a2ff508edb72d0

  • SHA1

    8a573c070f0df71fd974b8f2f916bfa7f6e5e2f5

  • SHA256

    c203fd3dd03e5867f708710b709d74c2dd90c8824b1b8d41b1965b1895f53d5e

  • SHA512

    a205c3af616773680325a2e3883a570e738cbdd52f74b85d48ea5f35196d85f6d6ced7c2947f6ab2c5468484f6bdf948e5043126d0d08046b2fac13333775f12

  • SSDEEP

    49152:ksgY1bXNn4iM1mo7JFAU9YfLxd4cY1DJmXTHX1bLu1LriJzf64iVDJEG:5gwrNn4Yo7Lefb4cY1DY5bL4Lrc7NaJF

Malware Config

Targets

    • Target

      8c3e2e06c7066b6ed3a2ff508edb72d0_NEAS

    • Size

      3.6MB

    • MD5

      8c3e2e06c7066b6ed3a2ff508edb72d0

    • SHA1

      8a573c070f0df71fd974b8f2f916bfa7f6e5e2f5

    • SHA256

      c203fd3dd03e5867f708710b709d74c2dd90c8824b1b8d41b1965b1895f53d5e

    • SHA512

      a205c3af616773680325a2e3883a570e738cbdd52f74b85d48ea5f35196d85f6d6ced7c2947f6ab2c5468484f6bdf948e5043126d0d08046b2fac13333775f12

    • SSDEEP

      49152:ksgY1bXNn4iM1mo7JFAU9YfLxd4cY1DJmXTHX1bLu1LriJzf64iVDJEG:5gwrNn4Yo7Lefb4cY1DY5bL4Lrc7NaJF

    • Modifies visiblity of hidden/system files in Explorer

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

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks