General

  • Target

    6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e

  • Size

    4.2MB

  • Sample

    231011-rayfjsbe3x

  • MD5

    388e6636e2e970494efd9b24a89b0564

  • SHA1

    a74b8a2d419009735faf41b42aa182444aa36ea4

  • SHA256

    6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e

  • SHA512

    04900ef4a0ff81e287f09c00d24c3df1bf6e4bc16816d24643c0a0d3d730609ff0a131954d474364eb96cfe0f38cdf29f92f3930397684316efeeb7198d47fb5

  • SSDEEP

    98304:FUwGpYEOGiX6u6fb2lEQa9BIW1jXPevmAMS1Dw28:yXZO7p6fb2lLCnP/S1y

Malware Config

Targets

    • Target

      6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e

    • Size

      4.2MB

    • MD5

      388e6636e2e970494efd9b24a89b0564

    • SHA1

      a74b8a2d419009735faf41b42aa182444aa36ea4

    • SHA256

      6fe900b33002dddacd74c83f12d37611c6fce13cf57e4aa230baa25d9536d44e

    • SHA512

      04900ef4a0ff81e287f09c00d24c3df1bf6e4bc16816d24643c0a0d3d730609ff0a131954d474364eb96cfe0f38cdf29f92f3930397684316efeeb7198d47fb5

    • SSDEEP

      98304:FUwGpYEOGiX6u6fb2lEQa9BIW1jXPevmAMS1Dw28:yXZO7p6fb2lLCnP/S1y

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Windows security modification

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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