General

  • Target

    overwriteb.exe

  • Size

    1.2MB

  • Sample

    240810-sr7wzsvfqr

  • MD5

    e329aab90fbf0fe5f26c6fbad7e34f10

  • SHA1

    e77d95de1cb79d5b04fec453df7104189bac27af

  • SHA256

    4aea218e1480f7492b0d0bd877ee04e5e218be68644d2cd0128d0118c3171239

  • SHA512

    ff45ed84810f4e4e8c2dcbf703fd59bf7cbf15f6e642ba42fb87d400c55d7fb57237be263748c75a3ba62928f756fbc92d8d985fc8a256f23fabc1674e6ac243

  • SSDEEP

    24576:U4lncn9MB7o23RU4kHBvirnC2XZ/EFHs+ruqzqW6NR6B8cGcLkPpGaWu5qtbPGKJ:WuP2PGWTs

Malware Config

Targets

    • Target

      overwriteb.exe

    • Size

      1.2MB

    • MD5

      e329aab90fbf0fe5f26c6fbad7e34f10

    • SHA1

      e77d95de1cb79d5b04fec453df7104189bac27af

    • SHA256

      4aea218e1480f7492b0d0bd877ee04e5e218be68644d2cd0128d0118c3171239

    • SHA512

      ff45ed84810f4e4e8c2dcbf703fd59bf7cbf15f6e642ba42fb87d400c55d7fb57237be263748c75a3ba62928f756fbc92d8d985fc8a256f23fabc1674e6ac243

    • SSDEEP

      24576:U4lncn9MB7o23RU4kHBvirnC2XZ/EFHs+ruqzqW6NR6B8cGcLkPpGaWu5qtbPGKJ:WuP2PGWTs

    • Possible privilege escalation attempt

    • Checks computer location settings

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

    • Modifies file permissions

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Enterprise v15

Tasks