General

  • Target

    http://45.9.74.80/3eef203fb515bda85f514e168abb5973.exe

  • Sample

    230612-31njtaeg6z

Malware Config

Targets

    • Target

      http://45.9.74.80/3eef203fb515bda85f514e168abb5973.exe

    • Glupteba

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

    • Glupteba payload

    • Downloads MZ/PE file

    • 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

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Tasks