General

  • Target

    c15f81b0f9c9c8cfc1ffcc832b0d82ee9f008a2b4240f155232f0709b72f875c

  • Size

    4.1MB

  • Sample

    231012-shk1vshf88

  • MD5

    e17bbdbfce8f1db78104548501f72da5

  • SHA1

    6b6d49f8fa03963d6bf7dc2512b9b27f84cc4a1e

  • SHA256

    c15f81b0f9c9c8cfc1ffcc832b0d82ee9f008a2b4240f155232f0709b72f875c

  • SHA512

    3d3ef71507627ebc4862abcfc8384f60ae7df533d4155013eae866faf6b68ec251c56cad2d66ed2b657b620febbf5b26c3d771d79d905deecdce5e88ed908392

  • SSDEEP

    98304:nnUPiXtEdYQczOOcdm/N0wgcYbKlNq3uaWQqWBFAIc+JM:nnPXtEmQcz/IVYN4uDQqWQ

Malware Config

Targets

    • Target

      c15f81b0f9c9c8cfc1ffcc832b0d82ee9f008a2b4240f155232f0709b72f875c

    • Size

      4.1MB

    • MD5

      e17bbdbfce8f1db78104548501f72da5

    • SHA1

      6b6d49f8fa03963d6bf7dc2512b9b27f84cc4a1e

    • SHA256

      c15f81b0f9c9c8cfc1ffcc832b0d82ee9f008a2b4240f155232f0709b72f875c

    • SHA512

      3d3ef71507627ebc4862abcfc8384f60ae7df533d4155013eae866faf6b68ec251c56cad2d66ed2b657b620febbf5b26c3d771d79d905deecdce5e88ed908392

    • SSDEEP

      98304:nnUPiXtEdYQczOOcdm/N0wgcYbKlNq3uaWQqWBFAIc+JM:nnPXtEmQcz/IVYN4uDQqWQ

    • 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