General

  • Target

    899fc1da5a83ec8a1dcf1c15004e8ba450ce363dfa9896b6bcc7179fe2f0b8be

  • Size

    2.2MB

  • Sample

    221202-2gfjesba76

  • MD5

    949e1c654a86cc5f138fba8679479935

  • SHA1

    6cdf816933857a44eb89d11a35ffdc48de169712

  • SHA256

    899fc1da5a83ec8a1dcf1c15004e8ba450ce363dfa9896b6bcc7179fe2f0b8be

  • SHA512

    1147c2cb6381b285be2a624ec311548e3589e3c82033e4006c9cb40a7cf4d5a33696978d352fe66165c5ff94f71fb7beadddc662418422b092c2afe7efa6e2e2

  • SSDEEP

    24576:7n/LiLfc6C75KOfHT74FvTqlcLY169ezwakLzVnSMPxrhQeigzv+QX2XNbMY0vQq:L/ycPAFqlD69ezh4hZiWVqVev+ypZt

Malware Config

Targets

    • Target

      899fc1da5a83ec8a1dcf1c15004e8ba450ce363dfa9896b6bcc7179fe2f0b8be

    • Size

      2.2MB

    • MD5

      949e1c654a86cc5f138fba8679479935

    • SHA1

      6cdf816933857a44eb89d11a35ffdc48de169712

    • SHA256

      899fc1da5a83ec8a1dcf1c15004e8ba450ce363dfa9896b6bcc7179fe2f0b8be

    • SHA512

      1147c2cb6381b285be2a624ec311548e3589e3c82033e4006c9cb40a7cf4d5a33696978d352fe66165c5ff94f71fb7beadddc662418422b092c2afe7efa6e2e2

    • SSDEEP

      24576:7n/LiLfc6C75KOfHT74FvTqlcLY169ezwakLzVnSMPxrhQeigzv+QX2XNbMY0vQq:L/ycPAFqlD69ezh4hZiWVqVev+ypZt

    • Adds policy Run key to start application

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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 v6

Tasks