General

  • Target

    2fbdd680c86164f6120929d9ef817065f2c55bdee785c2f4ae9e30e01feaec1b

  • Size

    2.5MB

  • Sample

    240611-y1rt1szflb

  • MD5

    1b230effac4e3859561358b69b79822b

  • SHA1

    6be86e4b496be079e3461d523a1d4e35ba5f3b67

  • SHA256

    2fbdd680c86164f6120929d9ef817065f2c55bdee785c2f4ae9e30e01feaec1b

  • SHA512

    1f00c86aae2532c849f873712d4b78dc05d05392a0c1c50b004e1b12b9e2f9b39baf764bb5c0be8035d9363537a816592d5955882b472f9df1899297c195b23e

  • SSDEEP

    49152:PxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxf:Pxx9NUFkQx753uWuCyyxf

Malware Config

Targets

    • Target

      2fbdd680c86164f6120929d9ef817065f2c55bdee785c2f4ae9e30e01feaec1b

    • Size

      2.5MB

    • MD5

      1b230effac4e3859561358b69b79822b

    • SHA1

      6be86e4b496be079e3461d523a1d4e35ba5f3b67

    • SHA256

      2fbdd680c86164f6120929d9ef817065f2c55bdee785c2f4ae9e30e01feaec1b

    • SHA512

      1f00c86aae2532c849f873712d4b78dc05d05392a0c1c50b004e1b12b9e2f9b39baf764bb5c0be8035d9363537a816592d5955882b472f9df1899297c195b23e

    • SSDEEP

      49152:PxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxf:Pxx9NUFkQx753uWuCyyxf

    • Modifies visiblity of hidden/system files in Explorer

    • Detects executables packed with Themida

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks