General

  • Target

    MBSetup.exe

  • Size

    2.5MB

  • Sample

    240208-we5smsgg4x

  • MD5

    7ce024e6e2248ee891248469894d8a9c

  • SHA1

    13db96c5e8d67b7f1141d22567741cd45d659c1a

  • SHA256

    377ac497bdeb20e13ea84ca1eab709946535b77d4231007a7646509386a4af33

  • SHA512

    ce5b6e7b7da5d3d00ad1df64006c24c291e24cb63e855855375e52e7a18ea7b3d283fababb79046a59533bcd80d8c18f604d9ace64af7e712f18020e5b351eff

  • SSDEEP

    49152:YXrcUh6gxrxD0Xc3StQyfvE0Z3R0nxiIq2ddIAuSF:4rNRxrxA6KtQRq2SSF

Malware Config

Targets

    • Target

      MBSetup.exe

    • Size

      2.5MB

    • MD5

      7ce024e6e2248ee891248469894d8a9c

    • SHA1

      13db96c5e8d67b7f1141d22567741cd45d659c1a

    • SHA256

      377ac497bdeb20e13ea84ca1eab709946535b77d4231007a7646509386a4af33

    • SHA512

      ce5b6e7b7da5d3d00ad1df64006c24c291e24cb63e855855375e52e7a18ea7b3d283fababb79046a59533bcd80d8c18f604d9ace64af7e712f18020e5b351eff

    • SSDEEP

      49152:YXrcUh6gxrxD0Xc3StQyfvE0Z3R0nxiIq2ddIAuSF:4rNRxrxA6KtQRq2SSF

    • 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