General

  • Target

    Astral.rar

  • Size

    30.7MB

  • Sample

    240531-yedehaah6t

  • MD5

    6e8414fbd94fe60a5347c94a5efb9c8c

  • SHA1

    698d9e1c38811726cc820e2264358e08cb178b6b

  • SHA256

    f46c2ff9ae635b9971f1e73c085682b3ce805a547f37874f6e89761221cdca22

  • SHA512

    4da434a9aeee61a80f6e74896e0fdfea0d801d6079ffa289f3b552865c0d3ec4281a8251cc2289bcf3bfb8ed7172436da1970c5fd7e6af227c3518ce28c843b7

  • SSDEEP

    786432:NpFx+oyPb1HxGv3mKh3U3kjHqDzNtE9fjgtYhtRnjsFXzmDCylQ:ODBRWmKt8ZDJtE9Lgqln2mDTQ

Malware Config

Targets

    • Target

      Astral/AstralUI.exe

    • Size

      30.7MB

    • MD5

      6b077f27f7a451dda278a17ce638310c

    • SHA1

      ccb25cf7c00b5663c387a1f2e39ac6b88478f6d2

    • SHA256

      445a5ecda6b43165746b8cd37d60ba5a4ab6fb1bf34f4fe58adacf17e8005132

    • SHA512

      30382fbed7ebc397ff381dd64231d12a9b313ff83e467c759ab210189a8efbe3af1738bff2cc69cf2df47b6e19acf2e3cc3239d9807844aa00d1ee021d7f1f22

    • SSDEEP

      786432:CpFx+oyPb1HxGv3mKh3U3kjHqDzNtE9fjgtYhtRnjsFXzmDCyl:7DBRWmKt8ZDJtE9Lgqln2mDT

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks