General

  • Target

    4681fc3fc8216d21a3cac6b58efec1e0765a5f541a191330045d1acf5b05ca33

  • Size

    4.1MB

  • Sample

    231009-fm6rxaae5y

  • MD5

    373b7981b7e25d3dd18e941d55b79426

  • SHA1

    b8dad700305f101dc0d7bce3ef7ab651642e2b41

  • SHA256

    4681fc3fc8216d21a3cac6b58efec1e0765a5f541a191330045d1acf5b05ca33

  • SHA512

    ba2a805a4f5830104558ba94ba17287e9e40440e9fdab664d2cfbb9941d80bab2328522abd6d8087e4ba5362a254be8ad41bd35bf07cecc60fb419f30313aa71

  • SSDEEP

    98304:iUMmFZfMqrrAsav2egarQoVHKnGllbuNGEc0yo4U2zW35V9C6LAF:xMkjrAs82ePrQoVqIbC3/2zYV9C6+

Malware Config

Targets

    • Target

      4681fc3fc8216d21a3cac6b58efec1e0765a5f541a191330045d1acf5b05ca33

    • Size

      4.1MB

    • MD5

      373b7981b7e25d3dd18e941d55b79426

    • SHA1

      b8dad700305f101dc0d7bce3ef7ab651642e2b41

    • SHA256

      4681fc3fc8216d21a3cac6b58efec1e0765a5f541a191330045d1acf5b05ca33

    • SHA512

      ba2a805a4f5830104558ba94ba17287e9e40440e9fdab664d2cfbb9941d80bab2328522abd6d8087e4ba5362a254be8ad41bd35bf07cecc60fb419f30313aa71

    • SSDEEP

      98304:iUMmFZfMqrrAsav2egarQoVHKnGllbuNGEc0yo4U2zW35V9C6LAF:xMkjrAs82ePrQoVqIbC3/2zYV9C6+

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks