General

  • Target

    8dc81b301743c69a167d3825ae57a31f6f72b4a11825590c6c6380bb241eff4c

  • Size

    4.1MB

  • Sample

    230615-zb71dabb92

  • MD5

    e407f5e337447a0e30ae689ec541e5a2

  • SHA1

    0c924dc045bf990eec11c890b7b5dc2a63ada21b

  • SHA256

    8dc81b301743c69a167d3825ae57a31f6f72b4a11825590c6c6380bb241eff4c

  • SHA512

    5907fdd6134bc92baecb8e959d8e8eadc91e2be0140e7c983facebc0b9d71e82cc80b905f8bdf0ec64a05e05b525942cb1e3a8d1b4d440716a7cfef291e77d9b

  • SSDEEP

    98304:r5gvbkQzx+togQWJvOnwZoVSyEekafUQXA4D:r5gDk5HvfZfyEEjXb

Malware Config

Targets

    • Target

      8dc81b301743c69a167d3825ae57a31f6f72b4a11825590c6c6380bb241eff4c

    • Size

      4.1MB

    • MD5

      e407f5e337447a0e30ae689ec541e5a2

    • SHA1

      0c924dc045bf990eec11c890b7b5dc2a63ada21b

    • SHA256

      8dc81b301743c69a167d3825ae57a31f6f72b4a11825590c6c6380bb241eff4c

    • SHA512

      5907fdd6134bc92baecb8e959d8e8eadc91e2be0140e7c983facebc0b9d71e82cc80b905f8bdf0ec64a05e05b525942cb1e3a8d1b4d440716a7cfef291e77d9b

    • SSDEEP

      98304:r5gvbkQzx+togQWJvOnwZoVSyEekafUQXA4D:r5gDk5HvfZfyEEjXb

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 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

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks