General

  • Target

    fca2fc0f05ca0a74c761e19c46e5b788ddc2e10df6f8b28bfca071bc244cfafb

  • Size

    4.2MB

  • Sample

    230607-mrtrgaac4t

  • MD5

    aaceb72c8e831fd61fefbcc55f052b2f

  • SHA1

    62f158b2b241671f138166ab26ad9316a27698a3

  • SHA256

    fca2fc0f05ca0a74c761e19c46e5b788ddc2e10df6f8b28bfca071bc244cfafb

  • SHA512

    3fd75ad45e852254c7a6b2685d262150ef82a76067d9f6cdb8a88514f8f8abbb947f3653ea30fdf07eec2779fa5009e7dc488c8d74e34f36e81c233dc319aeae

  • SSDEEP

    98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWh9:V4pnQn9xB8w/epD

Malware Config

Targets

    • Target

      fca2fc0f05ca0a74c761e19c46e5b788ddc2e10df6f8b28bfca071bc244cfafb

    • Size

      4.2MB

    • MD5

      aaceb72c8e831fd61fefbcc55f052b2f

    • SHA1

      62f158b2b241671f138166ab26ad9316a27698a3

    • SHA256

      fca2fc0f05ca0a74c761e19c46e5b788ddc2e10df6f8b28bfca071bc244cfafb

    • SHA512

      3fd75ad45e852254c7a6b2685d262150ef82a76067d9f6cdb8a88514f8f8abbb947f3653ea30fdf07eec2779fa5009e7dc488c8d74e34f36e81c233dc319aeae

    • SSDEEP

      98304:F7cjpnWTod4g2pxfbBxBg9mIiQMFSS/eeWh9:V4pnQn9xB8w/epD

    • 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