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General

  • Target

    b3e27c65c632c88eb12cef32cbaf4645.exe

  • Size

    3.7MB

  • Sample

    231225-g4bhrsddeq

  • MD5

    b3e27c65c632c88eb12cef32cbaf4645

  • SHA1

    80a1aa9872bb18bf0e47da6f4a3c77729503739f

  • SHA256

    dfb61558c4fe802041d53dc777e82106afc9377cf60567e797296b1cd74aa402

  • SHA512

    4a17c489f663386f962835f4868ced34d0462e8b2f6f2c6c0f864178de42d5aeef5fc070392b8f9779704f8c4486ee7ae2cee22185183544f20cfa729f92095f

  • SSDEEP

    49152:PbA31CZGtBT5fh8cPVlHiHXzufiQvFywW7sTUbqKKd71+Va6b7W6jerVuacXxtXe:PbZuBT5JNVxi3KfPQ9d78AacXEk+LVUO

Malware Config

Targets

    • Target

      b3e27c65c632c88eb12cef32cbaf4645.exe

    • Size

      3.7MB

    • MD5

      b3e27c65c632c88eb12cef32cbaf4645

    • SHA1

      80a1aa9872bb18bf0e47da6f4a3c77729503739f

    • SHA256

      dfb61558c4fe802041d53dc777e82106afc9377cf60567e797296b1cd74aa402

    • SHA512

      4a17c489f663386f962835f4868ced34d0462e8b2f6f2c6c0f864178de42d5aeef5fc070392b8f9779704f8c4486ee7ae2cee22185183544f20cfa729f92095f

    • SSDEEP

      49152:PbA31CZGtBT5fh8cPVlHiHXzufiQvFywW7sTUbqKKd71+Va6b7W6jerVuacXxtXe:PbZuBT5JNVxi3KfPQ9d78AacXEk+LVUO

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks