General

  • Target

    611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490

  • Size

    4.1MB

  • Sample

    240519-renf5sbb54

  • MD5

    fe15efaa69e82c58a1b87b13d6e63e74

  • SHA1

    9edf9ffe99b3714762f427126cc3dde316ed4dbf

  • SHA256

    611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490

  • SHA512

    4fc73bf39aac7dca98483238913663932bf3c3026d7e6d026d80570329d3afd6d1197beee95a1e042d20b2888a0a0ac0f79bc04125d06ff2ad654e636c8614c6

  • SSDEEP

    98304:kNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WP:kqU8A9EamDpImBOY9f2NP

Malware Config

Targets

    • Target

      611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490

    • Size

      4.1MB

    • MD5

      fe15efaa69e82c58a1b87b13d6e63e74

    • SHA1

      9edf9ffe99b3714762f427126cc3dde316ed4dbf

    • SHA256

      611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490

    • SHA512

      4fc73bf39aac7dca98483238913663932bf3c3026d7e6d026d80570329d3afd6d1197beee95a1e042d20b2888a0a0ac0f79bc04125d06ff2ad654e636c8614c6

    • SSDEEP

      98304:kNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WP:kqU8A9EamDpImBOY9f2NP

    • 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