General

  • Target

    5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05

  • Size

    2.8MB

  • Sample

    220708-k5w3mscgg8

  • MD5

    d9ebac8eb76908038edb8d4a75467c48

  • SHA1

    4e4c78ba49d04434fbb65f68641b65ba182d4569

  • SHA256

    5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05

  • SHA512

    b65f95e4b0bf63d837e659af4fe09d476eb908fbcd7b7883ce4390f926f8122d63abb3618cadebe975b93995a4787d5d9ae3095ad144ba083d336bd842e6f01a

Malware Config

Targets

    • Target

      5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05

    • Size

      2.8MB

    • MD5

      d9ebac8eb76908038edb8d4a75467c48

    • SHA1

      4e4c78ba49d04434fbb65f68641b65ba182d4569

    • SHA256

      5f32e837c9726fd2f12bd8e003b6e6181d5cc36f764e2f52119c0f574397da05

    • SHA512

      b65f95e4b0bf63d837e659af4fe09d476eb908fbcd7b7883ce4390f926f8122d63abb3618cadebe975b93995a4787d5d9ae3095ad144ba083d336bd842e6f01a

    • Shurk

      Shurk is an infostealer, written in C++ which appeared in 2021.

    • Shurk Stealer payload

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks