General

  • Target

    bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882

  • Size

    4.1MB

  • Sample

    240229-fpkmfseb42

  • MD5

    bf257d2f4103b21c7f14bad1a61353ec

  • SHA1

    7d9c7dac58f6057957ad032d8c057debafd8e62e

  • SHA256

    bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882

  • SHA512

    d4ba7fbde1d53f01263f2c65514732026f434ec2e461fd8fb7a2398c52b8d25edc047b2b45595bb14d5e4e761e52842b88b0f093406741d9ad078a68c5e07363

  • SSDEEP

    98304:7yGuBgAwnQem+Uql0Dgxel+ktF5CaAW9LUaE13xxYjoS:buenwlERxel3qa4VhxIz

Malware Config

Targets

    • Target

      bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882

    • Size

      4.1MB

    • MD5

      bf257d2f4103b21c7f14bad1a61353ec

    • SHA1

      7d9c7dac58f6057957ad032d8c057debafd8e62e

    • SHA256

      bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882

    • SHA512

      d4ba7fbde1d53f01263f2c65514732026f434ec2e461fd8fb7a2398c52b8d25edc047b2b45595bb14d5e4e761e52842b88b0f093406741d9ad078a68c5e07363

    • SSDEEP

      98304:7yGuBgAwnQem+Uql0Dgxel+ktF5CaAW9LUaE13xxYjoS:buenwlERxel3qa4VhxIz

    • 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