General

  • Target

    1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f

  • Size

    2.5MB

  • Sample

    240611-x43j9aycpk

  • MD5

    3b3360b44273f84ce3019f33e475ca6e

  • SHA1

    e39b443bc7b1555eba76b8d62cb0ae3357e639bd

  • SHA256

    1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f

  • SHA512

    06256bc1df9781ad5479262b3e8780269fe340ada640714a7c0411c35f212e65503921bcc6e9745ac6a772e90aa1abac23121fd868569df79b684099edfb4739

  • SSDEEP

    49152:gxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx6:gxx9NUFkQx753uWuCyyx6

Malware Config

Targets

    • Target

      1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f

    • Size

      2.5MB

    • MD5

      3b3360b44273f84ce3019f33e475ca6e

    • SHA1

      e39b443bc7b1555eba76b8d62cb0ae3357e639bd

    • SHA256

      1f3ed61fb8ce1387f60463558e4ebd4b1dbecf361ed48309b0254a7d4903736f

    • SHA512

      06256bc1df9781ad5479262b3e8780269fe340ada640714a7c0411c35f212e65503921bcc6e9745ac6a772e90aa1abac23121fd868569df79b684099edfb4739

    • SSDEEP

      49152:gxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx6:gxx9NUFkQx753uWuCyyx6

    • 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