General

  • Target

    cf6b30f1d998074487f24f35bb9e953b3717591f72b1f2eeb5a33033a7cd3805

  • Size

    4.2MB

  • Sample

    230607-pw1rpaae86

  • MD5

    bfc7b6d24e033554deecd6a1ab0914e0

  • SHA1

    99926068e058be851570627b753818b0912418e8

  • SHA256

    cf6b30f1d998074487f24f35bb9e953b3717591f72b1f2eeb5a33033a7cd3805

  • SHA512

    7f6d7c440d9af6ca9eb42516a19f833f8482f502a0570513bb2d88330022d0f8762e49220b61cee99214ec5926d227d2345a7c3252efcbe0365ada397eb69f2f

  • SSDEEP

    98304:75utYctoVARBg2MaaK1g5FJFgQb/OdplY5OuY4di3MrYa:742GQAvSM1iXFgQUplwOP4IMrYa

Malware Config

Targets

    • Target

      cf6b30f1d998074487f24f35bb9e953b3717591f72b1f2eeb5a33033a7cd3805

    • Size

      4.2MB

    • MD5

      bfc7b6d24e033554deecd6a1ab0914e0

    • SHA1

      99926068e058be851570627b753818b0912418e8

    • SHA256

      cf6b30f1d998074487f24f35bb9e953b3717591f72b1f2eeb5a33033a7cd3805

    • SHA512

      7f6d7c440d9af6ca9eb42516a19f833f8482f502a0570513bb2d88330022d0f8762e49220b61cee99214ec5926d227d2345a7c3252efcbe0365ada397eb69f2f

    • SSDEEP

      98304:75utYctoVARBg2MaaK1g5FJFgQb/OdplY5OuY4di3MrYa:742GQAvSM1iXFgQUplwOP4IMrYa

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks