General

  • Target

    43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6

  • Size

    4.1MB

  • Sample

    230608-aq5fcsab9z

  • MD5

    ea9cffd85045420a6a4e671ecb59cfb0

  • SHA1

    f2bd8bd9100354607088b7a1e724e3e80cb423ea

  • SHA256

    43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6

  • SHA512

    a8770ac0cbe77528a22f5691a6271a134d4a949998ec12533d370e1550121b0fecd4f0be912c71accae6991c851804c2669d2fe50f798e085184bd837d1dc391

  • SSDEEP

    98304:X8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROP:XHBTb9PiwXZgsnFBYRZ/kYP

Malware Config

Targets

    • Target

      43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6

    • Size

      4.1MB

    • MD5

      ea9cffd85045420a6a4e671ecb59cfb0

    • SHA1

      f2bd8bd9100354607088b7a1e724e3e80cb423ea

    • SHA256

      43c841c49c93935d3663a822d86865ed0c9bed790e63b7ea0f61355b540df1d6

    • SHA512

      a8770ac0cbe77528a22f5691a6271a134d4a949998ec12533d370e1550121b0fecd4f0be912c71accae6991c851804c2669d2fe50f798e085184bd837d1dc391

    • SSDEEP

      98304:X8GtT7KONvb9Pix2XoCrEsQYjOARBWTRZ/y7nROP:XHBTb9PiwXZgsnFBYRZ/kYP

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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