General

  • Target

    223fdcb7b2addedab9da616b3abc6b107e8a9f6a53221cbc2e4643d19f726564

  • Size

    4.1MB

  • Sample

    230325-lgzz3aca87

  • MD5

    3c3e5e054d80fe6a93805f951aad3197

  • SHA1

    b04691e1925d6f303a794fa0b9f2e96283084613

  • SHA256

    223fdcb7b2addedab9da616b3abc6b107e8a9f6a53221cbc2e4643d19f726564

  • SHA512

    f6ff2affa2c51a576c9a8b1db6826c6977cd67718f0c91d4968e2d381ab8e2e71a9d3083c57c9f915e0bea28eef9b288476102169bf333a94735caf01a46242e

  • SSDEEP

    98304:evej2jzuLTCK6bGHQe8qXT4IB6EaKjsS0McNup3lXC81Vy5sDCDB:IjzuijuXTAZKn0JNgX91VyeDCDB

Malware Config

Targets

    • Target

      223fdcb7b2addedab9da616b3abc6b107e8a9f6a53221cbc2e4643d19f726564

    • Size

      4.1MB

    • MD5

      3c3e5e054d80fe6a93805f951aad3197

    • SHA1

      b04691e1925d6f303a794fa0b9f2e96283084613

    • SHA256

      223fdcb7b2addedab9da616b3abc6b107e8a9f6a53221cbc2e4643d19f726564

    • SHA512

      f6ff2affa2c51a576c9a8b1db6826c6977cd67718f0c91d4968e2d381ab8e2e71a9d3083c57c9f915e0bea28eef9b288476102169bf333a94735caf01a46242e

    • SSDEEP

      98304:evej2jzuLTCK6bGHQe8qXT4IB6EaKjsS0McNup3lXC81Vy5sDCDB:IjzuijuXTAZKn0JNgX91VyeDCDB

    • 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.

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