General

  • Target

    MBSetup.exe

  • Size

    2.5MB

  • Sample

    240522-xvvhaadc72

  • MD5

    6107ffe4a1a1ee9eb2453ca669791ac9

  • SHA1

    8f69617ffd69adab260500ec25d5ae50cc49b882

  • SHA256

    3c68baabc345c58d95825e548a395d305775b7f0313ec42997c17870ea6a458f

  • SHA512

    305ed565d5b61271e3deac9ab254ce2d70c031f4713c9b37212ea56ff061b8ce0afb5002c02a5252991c506d217f3f6aad439c192384646432f2ae71c252fb56

  • SSDEEP

    49152:u5wZat2rFnBQjvaq/GM6+StQyfvE0Z3R0nxiIq2dd5OAnp:u5wZauVBQjvLQYKtQRq2Hnp

Malware Config

Targets

    • Target

      MBSetup.exe

    • Size

      2.5MB

    • MD5

      6107ffe4a1a1ee9eb2453ca669791ac9

    • SHA1

      8f69617ffd69adab260500ec25d5ae50cc49b882

    • SHA256

      3c68baabc345c58d95825e548a395d305775b7f0313ec42997c17870ea6a458f

    • SHA512

      305ed565d5b61271e3deac9ab254ce2d70c031f4713c9b37212ea56ff061b8ce0afb5002c02a5252991c506d217f3f6aad439c192384646432f2ae71c252fb56

    • SSDEEP

      49152:u5wZat2rFnBQjvaq/GM6+StQyfvE0Z3R0nxiIq2dd5OAnp:u5wZauVBQjvLQYKtQRq2Hnp

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks