General

  • Target

    f4e2b49a0392ff7e034f4c19273ac6b286b896252d4a5f610610e7585bac6aca

  • Size

    4.2MB

  • Sample

    230608-ljw17adf89

  • MD5

    d659f4bd90fc4a0b08b64db6cd1b7860

  • SHA1

    fd9e3233fa6a9518b7e363bbe46c456649746110

  • SHA256

    f4e2b49a0392ff7e034f4c19273ac6b286b896252d4a5f610610e7585bac6aca

  • SHA512

    14a1aa311e355808b6dcbb5bcb6ba9647a318b07198e7195d8566a5fe6b49265b141923d15ea83d28f8fbc51de79f06a2e04bad44aa41ae664f13a9e066e33c7

  • SSDEEP

    98304:Q665c4JG+W/h83fz+KjxdfuAXgrXpt7huI665dX5yd95:Qjc4JcKDjWj3hRW95

Malware Config

Targets

    • Target

      f4e2b49a0392ff7e034f4c19273ac6b286b896252d4a5f610610e7585bac6aca

    • Size

      4.2MB

    • MD5

      d659f4bd90fc4a0b08b64db6cd1b7860

    • SHA1

      fd9e3233fa6a9518b7e363bbe46c456649746110

    • SHA256

      f4e2b49a0392ff7e034f4c19273ac6b286b896252d4a5f610610e7585bac6aca

    • SHA512

      14a1aa311e355808b6dcbb5bcb6ba9647a318b07198e7195d8566a5fe6b49265b141923d15ea83d28f8fbc51de79f06a2e04bad44aa41ae664f13a9e066e33c7

    • SSDEEP

      98304:Q665c4JG+W/h83fz+KjxdfuAXgrXpt7huI665dX5yd95:Qjc4JcKDjWj3hRW95

    • 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